2026 NPPES data Endocrinology, Diabetes & Metabolism Physician NPI 1659753499 M.D
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Parvathy Madhavan, M.D

Endocrinology, Diabetes & Metabolism Physician in East Hartford, Connecticut. This profile is drawn from the federal National Provider Identifier Registry (CMS NPPES), which lists more than 7 million U.S. healthcare providers - including 7,852 in Endocrinology, Diabetes & Metabolism Physician, and covers specialty classification, practice address, and Medicare Part D prescribing data when reported. According to CMS, every field reflects the provider's official federal registration, see our methodology.

Federal data, no proprietary rating. We show these CMS records as-is - no composite score, no star rating, no editorial opinion layered on top.
Prescribing volume
2K
Medicare Part D claims · 278 beneficiaries · Endocrinology, Diabetes & Metabolism Physician avg: 3K
Generic prescribing
39%
generic claims · 54% brand-name · higher generic rates reduce patient out-of-pocket costs
MIPS score
79.3/100
▼ 4 pts below national avg 83.1 · Above neutral
Compiled from official public sources by the PlainDoctor editorial team.

What the federal data shows

Parvathy Madhavan, M.D reported a CMS MIPS final score of 79.3/100 - below the 83.1 national average - and filed 1,817 Medicare Part D claims in 2023.

79.3/100
MIPS score · -4 vs avg
2K
Part D claims, 2023
39%
generic prescribing
Likely
board-certified (heuristic)

Every figure on this page comes straight from federal CMS records (NPPES, Medicare Part D, MIPS, Open Payments) - no proprietary rating or editorial opinion is applied.

Parvathy Madhavan, M.D's MIPS score vs every scored U.S. clinician

CMS Merit-based Incentive Payment System (MIPS) final score, 2023, the federal quality measure

79 30th percentile higher than 30% of 477,587 scored providers

0–10: 8,684 scored providers (2%). Below this entry. 10–20: 3,008 scored providers (1%). Below this entry. 20–30: 3,069 scored providers (1%). Below this entry. 30–40: 2,746 scored providers (1%). Below this entry. 40–50: 2,928 scored providers (1%). Below this entry. 50–60: 5,882 scored providers (1%). Below this entry. 60–70: 13,906 scored providers (3%). Below this entry. 70–80: 118,074 scored providers (25%). This entry sits in this band. 80–90: 129,887 scored providers (27%). Above this entry. 90+: 189,403 scored providers (40%). Above this entry. This provider 0 100 every MIPS-scored clinician, bucketed by value

Each bar is a band; taller bars hold more scored providers. The dashed line + filled bar mark this entry. Hover or tap any bar for its full count, share, and where it sits relative to this entry.

Source CMS Merit-based Incentive Payment System (MIPS) · 2023

Where Parvathy Madhavan, M.D sits

This provider among endocrinology, diabetes & metabolism physician peers

Across the 2,521 endocrinology, diabetes & metabolism physician providers who report both Medicare Part D prescribing and a MIPS quality score, Parvathy Madhavan, M.D writes more Part D claims than 39% of them and scores higher on MIPS quality than 33% - placing this provider in the lower-volume, lower-quality quadrant. Volume reflects patient-panel size and specialty, not quality; the two axes are independent.

Part D claim volume vs MIPS quality, by specialty percentile

Lower volume · High qualityHigh volume · High qualityLower volume · Lower qualityHigh volume · Lower quality02550751000255075100Part D claim volume, percentile in specialtyMIPS quality, percentilePart D claim volume, percentile in specialty: 42 · MIPS quality, percentile: 80Part D claim volume, percentile in specialty: 58 · MIPS quality, percentile: 77Part D claim volume, percentile in specialty: 65 · MIPS quality, percentile: 72Part D claim volume, percentile in specialty: 78 · MIPS quality, percentile: 48Part D claim volume, percentile in specialty: 25 · MIPS quality, percentile: 58Part D claim volume, percentile in specialty: 13 · MIPS quality, percentile: 12Part D claim volume, percentile in specialty: 48 · MIPS quality, percentile: 63Part D claim volume, percentile in specialty: 30 · MIPS quality, percentile: 30Part D claim volume, percentile in specialty: 2 · MIPS quality, percentile: 48Part D claim volume, percentile in specialty: 7 · MIPS quality, percentile: 95Part D claim volume, percentile in specialty: 95 · MIPS quality, percentile: 12Part D claim volume, percentile in specialty: 10 · MIPS quality, percentile: 30Part D claim volume, percentile in specialty: 82 · MIPS quality, percentile: 40Part D claim volume, percentile in specialty: 93 · MIPS quality, percentile: 68Part D claim volume, percentile in specialty: 17 · MIPS quality, percentile: 87Part D claim volume, percentile in specialty: 43 · MIPS quality, percentile: 0Part D claim volume, percentile in specialty: 60 · MIPS quality, percentile: 43Part D claim volume, percentile in specialty: 32 · MIPS quality, percentile: 55Part D claim volume, percentile in specialty: 57 · MIPS quality, percentile: 12Part D claim volume, percentile in specialty: 85 · MIPS quality, percentile: 78Part D claim volume, percentile in specialty: 20 · MIPS quality, percentile: 8Part D claim volume, percentile in specialty: 18 · MIPS quality, percentile: 92Part D claim volume, percentile in specialty: 97 · MIPS quality, percentile: 12Part D claim volume, percentile in specialty: 0 · MIPS quality, percentile: 98Part D claim volume, percentile in specialty: 45 · MIPS quality, percentile: 7Part D claim volume, percentile in specialty: 80 · MIPS quality, percentile: 28Part D claim volume, percentile in specialty: 12 · MIPS quality, percentile: 98Part D claim volume, percentile in specialty: 88 · MIPS quality, percentile: 70Part D claim volume, percentile in specialty: 38 · MIPS quality, percentile: 12Part D claim volume, percentile in specialty: 23 · MIPS quality, percentile: 93Part D claim volume, percentile in specialty: 47 · MIPS quality, percentile: 90Part D claim volume, percentile in specialty: 83 · MIPS quality, percentile: 12Part D claim volume, percentile in specialty: 33 · MIPS quality, percentile: 3Part D claim volume, percentile in specialty: 50 · MIPS quality, percentile: 65Part D claim volume, percentile in specialty: 3 · MIPS quality, percentile: 27Part D claim volume, percentile in specialty: 37 · MIPS quality, percentile: 2Part D claim volume, percentile in specialty: 77 · MIPS quality, percentile: 12Part D claim volume, percentile in specialty: 52 · MIPS quality, percentile: 57Part D claim volume, percentile in specialty: 22 · MIPS quality, percentile: 60Part D claim volume, percentile in specialty: 75 · MIPS quality, percentile: 42Part D claim volume, percentile in specialty: 53 · MIPS quality, percentile: 75Part D claim volume, percentile in specialty: 55 · MIPS quality, percentile: 53Part D claim volume, percentile in specialty: 70 · MIPS quality, percentile: 12Part D claim volume, percentile in specialty: 35 · MIPS quality, percentile: 83Part D claim volume, percentile in specialty: 27 · MIPS quality, percentile: 47Part D claim volume, percentile in specialty: 98 · MIPS quality, percentile: 62Part D claim volume, percentile in specialty: 68 · MIPS quality, percentile: 83Part D claim volume, percentile in specialty: 87 · MIPS quality, percentile: 73Part D claim volume, percentile in specialty: 8 · MIPS quality, percentile: 10Part D claim volume, percentile in specialty: 100 · MIPS quality, percentile: 97Part D claim volume, percentile in specialty: 90 · MIPS quality, percentile: 35Part D claim volume, percentile in specialty: 40 · MIPS quality, percentile: 67Part D claim volume, percentile in specialty: 5 · MIPS quality, percentile: 45Part D claim volume, percentile in specialty: 73 · MIPS quality, percentile: 12Part D claim volume, percentile in specialty: 63 · MIPS quality, percentile: 33Part D claim volume, percentile in specialty: 67 · MIPS quality, percentile: 80Part D claim volume, percentile in specialty: 92 · MIPS quality, percentile: 5Part D claim volume, percentile in specialty: 62 · MIPS quality, percentile: 37Part D claim volume, percentile in specialty: 15 · MIPS quality, percentile: 88Part D claim volume, percentile in specialty: 72 · MIPS quality, percentile: 52Parvathy Madhavan, M.D-Part D claim volume, percentile in specialty: 39 · MIPS quality, percentile: 33
Part D claim volume vs MIPS quality, by specialty percentile

Each dot is one endocrinology, diabetes & metabolism physician peer from a representative sample of 60; the gold marker is Parvathy Madhavan, M.D. Source: CMS Medicare Part D Prescriber data and the CMS Merit-based Incentive Payment System, 2023.

Board certification likely (heuristic, not verified)

Parvathy Madhavan, M.D practices in an ABMS-board-eligible specialty and shows active CMS Medicare participation + MIPS quality reporting + 1 hospital affiliation - signals consistent with board-certified status. For verified board certification, see CertificationMatters.org (the official ABMS public lookup).

What does the federal data show about Parvathy Madhavan, M.D?

Near national average

NPI registry status

Active

Issued 06/28/2015

NPI 1659753499

Primary specialty

Endocrinology, Diabetes & Metabolism Physician

Mid-sized

7,852 US NPIs in this specialty

Medicare Part D claims

1,817 31% vs specialty avg

2023 prescription claims

Specialty avg: 2,639

MIPS final score

79.3/100 3.8 pts vs avg

Above neutral band

vs 83.1 national avg

Specialty distribution in Connecticut

How Endocrinology, Diabetes & Metabolism Physician compares to other specialties among Connecticut providers

Connecticut providers
Clinical Social Worker - 8.4%Clinical Social Worker8.4%Student in an Organized Health Care Education/Training Program - 7.7%Student in an Organized Health Care Education/Training Program7.7%Physical Therapist - 4.2%Physical Therapist4.2%Pharmacist - 3.9%Pharmacist3.9%Internal Medicine Physician - 3.4%Internal Medicine Physician3.4%Mental Health Counselor - 3.2%Mental Health Counselor3.2%Endocrinology, Diabetes & Metabolism Physician - 0.2%Endocrinology, Diabetes & Metabolism Physician0.2%
Largest specialties in Connecticut (% of in-state providers)

Medicare quality performance, MIPS

Parvathy Madhavan, M.D's 2023 MIPS final score plotted against the Endocrinology, Diabetes & Metabolism Physician national average

Near national average
MIPS Final Score
79.3/100
vs 83.1 national avg · 2023 performance year

MIPS final score (Endocrinology, Diabetes & Metabolism Physician) - 79.3/100 vs national avg 83.1

0%100%National avg83%79.3%
MIPS final score (Endocrinology, Diabetes & Metabolism Physician) - 79.3/100 vs national avg 83.1

The Merit-based Incentive Payment System (MIPS) scores providers 0–100 across four performance categories: Quality, Cost, Promoting Interoperability, and Improvement Activities, weighted under 42 CFR §414.1380. Reporting is voluntary for many small practices, so absence of a MIPS score is not a quality signal.

Board certification through an ABMS or AOA member board signals voluntary post-licensure examination plus continuous Maintenance of Certification cycles. Verify any individual provider's status through certificationmatters.org (ABMS) or osteopathic.org (AOA).

Parvathy Madhavan, M.D appears in the CMS NPPES registry as a Endocrinology, Diabetes & Metabolism Physician provider holding M.D credentials at 800 CONNECTICUT BLVD, East Hartford, CT, 06108, with a listed phone of (860) 679-3245. NPI 1659753499 was issued on 06/28/2015. Because NPPES data is self-reported by the provider and refreshed monthly, the address, phone, and specialty reflect what Madhavan most recently submitted to CMS rather than a vetted directory listing, which is why patients should always confirm the practice is still at this location before scheduling.

Medicare Part D records for calendar year 2023 show 1,817 prescription claims written by this provider, covering 278 Medicare beneficiaries and totaling roughly $1.2 million in drug spend, split 54% brand-name and 39% generic by claim count. These figures capture only Medicare Part D, commercial insurance, Medicaid, and cash-pay prescriptions are not included, and any drug-beneficiary cell under 11 is suppressed by CMS for patient privacy. On the CMS Merit-based Incentive Payment System, this provider earned a Final Score of 79.3/100 for the 2023 performance year (Quality 69.2, Cost 48.1), compared with the national average of 83.1.

Endocrinology, Diabetes & Metabolism Physician is a mid-sized specialty nationwide, with 7,852 enrolled providers across 54 states and an average of 2,639 Part D claims per prescriber, so the context for interpreting these metrics differs meaningfully from a primary-care baseline. Important: PlainDoctor is a directory of publicly available government data, not medical advice, a malpractice database, or a quality rating. Inclusion here does not imply a recommendation, and absence of complaints or sanctions on this page does not mean none exist, always verify credentials through the NPPES NPI Registry, your state medical board, and the ABMS or AOA before making healthcare decisions.

Practice Address

800 CONNECTICUT BLVD
East Hartford, CT 06108

Provider Details

NPI 1659753499
Specialty Endocrinology, Diabetes & Metabolism Physician
Credentials M.D
Gender Female
NPI Issued 06/28/2015

CMS Quality Score (MIPS)

Merit-based Incentive Payment System (MIPS) scores from CMS, 2023 performance year.

79.3496
Final Score
Avg: 83.1
69.2231
Quality
48.0871
Cost
100
Promoting Interoperability

Reporting: Group practice

Hospital and facility affiliations

Facilities where Parvathy Madhavan, M.D bills Medicare from. Star ratings (1-5) are CMS Hospital Compare's "Hospital overall rating" - a composite of mortality, readmission, patient experience, safety, timely care, and efficient use of medical imaging measures. Source: CMS Care Compare.

University OF Connecticut Health Center
Farmington, CT

Affiliations sourced from CMS Doctors and Clinicians National Downloadable File; hospital ratings from CMS Hospital General Information dataset (cross-referenced by facility name + state).

Brand vs generic prescribing mix · Brand-heavy

Parvathy Madhavan, M.D - brand share 54.0%
Endocrinology, Diabetes & Metabolism Physician average

54% brand-name claims vs 39% generic, on 1,817 2023 Medicare Part D claims.

The federal Medicare Part D Generic Dispensing Rate national benchmark sits near 90% generic / 10% brand for primary-care prescribers, per CMS Office of the Actuary 2024 estimates. Higher brand share is common in specialty prescribing where generic equivalents are not available.

Medicare Part D Prescribing Data

CMS Medicare Part D prescriber-level data for calendar year 2023.

1,817
Total Claims
$1.2M
Total Drug Cost
278
Medicare Beneficiaries

Prescribing Breakdown

30-Day Fills
4,344
Total Day Supply
128,282
Brand vs Generic
54% brand / 39% generic
Brand Drug Cost
$1.2M
Generic Drug Cost
$22K

Patient Demographics

Average Patient Age
68.8 years
Avg HCC Risk Score
1.67
Gender Split
64% female / 36% male
Age Distribution
<65: 52, 65-74: 155, 75-84: 58, 85+: 13

Top Prescribed Drugs (Medicare Part D)

Top drugs by claim count for calendar year 2023. Based on Medicare Part D data only.

What Parvathy Madhavan, M.D prescribes most

Top Medicare Part D drugs by claim count, 2023

claims
Source CMS Medicare Part D Prescriber Public Use File As of 2023
Drug Claims
Levothyroxine Sodium
215
Ozempic
Semaglutide
140
Atorvastatin Calcium
72
Jardiance
Empagliflozin
72
Alendronate Sodium
63
Synthroid
Levothyroxine Sodium
61
Trulicity
Dulaglutide
58
Metformin Hcl
57
Humalog Kwikpen U-100
Insulin Lispro
55
Novolog Flexpen
Insulin Aspart
49

* Counts below 11 are suppressed by CMS for patient privacy. Generic names shown where available from CMS Part D data.

Endocrinology, Diabetes & Metabolism Physician Overview

How Parvathy Madhavan, M.D fits within the Endocrinology, Diabetes & Metabolism Physician landscape nationally.

7,852
Endocrinology, Diabetes & Metabolism Physician Providers in US
54
States with Endocrinology, Diabetes & Metabolism Physician
2,639
Avg Claims per Provider

Parvathy Madhavan, M.D's 1,817 claims are below the specialty average of 2,639.

Nearby Endocrinology, Diabetes & Metabolism Physician Providers in Connecticut

Other clinicians with the same primary specialty enrolled in Connecticut, drawn from the same CMS NPPES roster as Madhavan.

Compare Endocrinology, Diabetes & Metabolism Physician nationally: see state-by-state distribution →

Before you book an appointment

Use this federal record as your verification checklist, not as a recommendation.

  • Confirm the NPI record is current in the official CMS registry, providers update their own NPPES details, and moves can lag. Verify this NPI
  • Check the active license and any disciplinary history with the Connecticut medical board, federal registration is not a license check. Credential verification guide
  • Weigh a second option: compare this provider with a nearby Endocrinology, Diabetes & Metabolism Physician peer on Medicare volume and prescribing patterns. Compare providers

Medicare Part D and MIPS figures describe practice patterns in federal programs only, they are not quality ratings, and PlainDoctor does not rate, rank, or recommend providers.

Frequently Asked Questions

What is Parvathy Madhavan, M.D's specialty?
Parvathy Madhavan, M.D specializes in Endocrinology, Diabetes & Metabolism Physician and practices in East Hartford, Connecticut. Credentials: M.D.
How much does Parvathy Madhavan, M.D prescribe under Medicare Part D?
In 2023, Parvathy Madhavan, M.D wrote 1,817 Medicare Part D claims totaling $1.2M in drug costs for 278 beneficiaries.
What is Parvathy Madhavan, M.D's Medicare quality score?
Parvathy Madhavan, M.D has a CMS MIPS Final Score of 79.3/100 (Quality: 69.2, Cost: 48.1). The national average MIPS Final Score is 83.1. Source: CMS Merit-based Incentive Payment System (MIPS) 2023.
Where is Parvathy Madhavan, M.D located?
Parvathy Madhavan, M.D is located at 800 CONNECTICUT BLVD, East Hartford, CT, 06108. Phone: (860) 679-3245.
What is Parvathy Madhavan, M.D's NPI number?
Parvathy Madhavan, M.D's National Provider Identifier (NPI) is 1659753499, issued on 06/28/2015.
Does Parvathy Madhavan, M.D prescribe more brand-name or generic drugs?
Parvathy Madhavan, M.D's prescribing is 54% brand-name and 39% generic drugs by claim count, with $1.2M in brand drug costs.
How many Endocrinology, Diabetes & Metabolism Physician providers are there in the US?
There are 7,852 Endocrinology, Diabetes & Metabolism Physician providers across 54 states in the US. The average Endocrinology, Diabetes & Metabolism Physician provider writes 2,639 Medicare Part D claims per year.
What drugs does Parvathy Madhavan, M.D prescribe most often?
Based on 2023 Medicare Part D data, Parvathy Madhavan, M.D's most frequently prescribed drugs include Levothyroxine Sodium, Ozempic, Atorvastatin Calcium. This reflects Medicare Part D prescriptions only and does not include commercial insurance or other payer types.
Does Parvathy Madhavan, M.D accept Medicare?
Parvathy Madhavan, M.D appears in CMS Medicare data with 1,817 Part D claims and 278 Medicare beneficiaries in 2023. Contact the provider's office directly to confirm current Medicare enrollment and accepted plans.
How can I verify Parvathy Madhavan, M.D's credentials?
Parvathy Madhavan, M.D's NPI is 1659753499 with credentials M.D. You can verify this through the NPPES NPI Registry, check state medical board records, and confirm board certification through the ABMS or AOA.

Data Sources

Provider Directory
CMS National Plan and Provider Enumeration System (NPPES), download.cms.gov/nppes, updated monthly. Contains NPI, specialty, credentials, and practice location.
Specialty Classification
NUCC Health Care Provider Taxonomy (nucc.org), the industry standard for classifying provider specialties in Medicare and Medicaid billing.
Prescribing Data
CMS Medicare Part D Prescriber Public Use File (2023). Includes claims, drug costs, beneficiaries, and opioid prescribing rates.
Quality Performance
CMS Merit-based Incentive Payment System (MIPS) - 2023 performance year.
Limitations
Provider data is self-reported to CMS. Prescribing data reflects Medicare Part D only and does not include commercial insurance, Medicaid, or cash prescriptions. Claims below 11 beneficiaries are suppressed by CMS for privacy.

See our complete data methodology for details on how we collect and process government data.

Data as of April 2026 (NPPES) / 2023 (Medicare Part D). Source: Centers for Medicare & Medicaid Services (CMS).

Disclaimer: Data from CMS NPPES and Medicare Part D. PlainDoctor does not rate or rank providers. Provider information is self-reported and may not be current. Always verify information directly with the provider. About · Methodology

Compiled from official public sources by the PlainDoctor editorial team.