2026 NPPES data Gynecologic Oncology Physician NPI 1013989615 MD
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Molly Brewer, MD

Gynecologic Oncology Physician in Farmington, 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 1,364 in Gynecologic Oncology 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
85
Medicare Part D claims · 31 beneficiaries · Gynecologic Oncology Physician avg: 188
Generic prescribing
82%
generic claims · 18% 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

Molly Brewer, MD reported a CMS MIPS final score of 79.3/100 - below the 83.1 national average - and filed 85 Medicare Part D claims in 2023.

79.3/100
MIPS score · -4 vs avg
85
Part D claims, 2023
82%
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.

Molly Brewer, MD'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 Molly Brewer, MD sits

This provider among gynecologic oncology physician peers

Across the 446 gynecologic oncology physician providers who report both Medicare Part D prescribing and a MIPS quality score, Molly Brewer, MD writes more Part D claims than 32% of them and scores higher on MIPS quality than 24% - 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: 95 · MIPS quality, percentile: 20Part D claim volume, percentile in specialty: 20 · MIPS quality, percentile: 83Part D claim volume, percentile in specialty: 17 · MIPS quality, percentile: 85Part D claim volume, percentile in specialty: 5 · MIPS quality, percentile: 35Part D claim volume, percentile in specialty: 0 · MIPS quality, percentile: 30Part D claim volume, percentile in specialty: 32 · MIPS quality, percentile: 15Part D claim volume, percentile in specialty: 88 · MIPS quality, percentile: 50Part D claim volume, percentile in specialty: 45 · MIPS quality, percentile: 73Part D claim volume, percentile in specialty: 53 · MIPS quality, percentile: 23Part D claim volume, percentile in specialty: 68 · MIPS quality, percentile: 45Part D claim volume, percentile in specialty: 55 · MIPS quality, percentile: 77Part D claim volume, percentile in specialty: 23 · MIPS quality, percentile: 42Part D claim volume, percentile in specialty: 57 · MIPS quality, percentile: 7Part D claim volume, percentile in specialty: 98 · MIPS quality, percentile: 25Part D claim volume, percentile in specialty: 7 · MIPS quality, percentile: 43Part D claim volume, percentile in specialty: 87 · MIPS quality, percentile: 50Part D claim volume, percentile in specialty: 25 · MIPS quality, percentile: 90Part D claim volume, percentile in specialty: 85 · MIPS quality, percentile: 78Part D claim volume, percentile in specialty: 8 · MIPS quality, percentile: 92Part D claim volume, percentile in specialty: 62 · MIPS quality, percentile: 40Part D claim volume, percentile in specialty: 77 · MIPS quality, percentile: 67Part D claim volume, percentile in specialty: 73 · MIPS quality, percentile: 50Part D claim volume, percentile in specialty: 93 · MIPS quality, percentile: 7Part D claim volume, percentile in specialty: 50 · MIPS quality, percentile: 28Part D claim volume, percentile in specialty: 12 · MIPS quality, percentile: 97Part D claim volume, percentile in specialty: 13 · MIPS quality, percentile: 3Part D claim volume, percentile in specialty: 83 · MIPS quality, percentile: 17Part D claim volume, percentile in specialty: 97 · MIPS quality, percentile: 50Part D claim volume, percentile in specialty: 43 · MIPS quality, percentile: 22Part D claim volume, percentile in specialty: 38 · MIPS quality, percentile: 7Part D claim volume, percentile in specialty: 82 · MIPS quality, percentile: 65Part D claim volume, percentile in specialty: 60 · MIPS quality, percentile: 97Part D claim volume, percentile in specialty: 58 · MIPS quality, percentile: 0Part D claim volume, percentile in specialty: 72 · MIPS quality, percentile: 57Part D claim volume, percentile in specialty: 35 · MIPS quality, percentile: 13Part D claim volume, percentile in specialty: 27 · MIPS quality, percentile: 78Part D claim volume, percentile in specialty: 33 · MIPS quality, percentile: 93Part D claim volume, percentile in specialty: 65 · MIPS quality, percentile: 93Part D claim volume, percentile in specialty: 78 · MIPS quality, percentile: 82Part D claim volume, percentile in specialty: 90 · MIPS quality, percentile: 38Part D claim volume, percentile in specialty: 28 · MIPS quality, percentile: 85Part D claim volume, percentile in specialty: 2 · MIPS quality, percentile: 48Part D claim volume, percentile in specialty: 92 · MIPS quality, percentile: 63Part D claim volume, percentile in specialty: 15 · MIPS quality, percentile: 97Part D claim volume, percentile in specialty: 75 · MIPS quality, percentile: 67Part D claim volume, percentile in specialty: 18 · MIPS quality, percentile: 85Part D claim volume, percentile in specialty: 42 · MIPS quality, percentile: 60Part D claim volume, percentile in specialty: 70 · MIPS quality, percentile: 5Part D claim volume, percentile in specialty: 67 · MIPS quality, percentile: 7Part D claim volume, percentile in specialty: 3 · MIPS quality, percentile: 75Part D claim volume, percentile in specialty: 28 · MIPS quality, percentile: 62Part D claim volume, percentile in specialty: 52 · MIPS quality, percentile: 2Part D claim volume, percentile in specialty: 100 · MIPS quality, percentile: 35Part D claim volume, percentile in specialty: 80 · MIPS quality, percentile: 33Part D claim volume, percentile in specialty: 10 · MIPS quality, percentile: 47Part D claim volume, percentile in specialty: 22 · MIPS quality, percentile: 32Part D claim volume, percentile in specialty: 40 · MIPS quality, percentile: 72Part D claim volume, percentile in specialty: 48 · MIPS quality, percentile: 58Part D claim volume, percentile in specialty: 45 · MIPS quality, percentile: 70Part D claim volume, percentile in specialty: 63 · MIPS quality, percentile: 18Molly Brewer, MD-Part D claim volume, percentile in specialty: 32 · MIPS quality, percentile: 24
Part D claim volume vs MIPS quality, by specialty percentile

Each dot is one gynecologic oncology physician peer from a representative sample of 60; the gold marker is Molly Brewer, MD. Source: CMS Medicare Part D Prescriber data and the CMS Merit-based Incentive Payment System, 2023.

Board certification likely (heuristic, not verified)

Molly Brewer, MD 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 Molly Brewer, MD?

Near national average

NPI registry status

Active

Issued 02/07/2006

NPI 1013989615

Primary specialty

Gynecologic Oncology Physician

Niche

1,364 US NPIs in this specialty

Medicare Part D claims

85 55% vs specialty avg

2023 prescription claims

Specialty avg: 188

MIPS final score

79.3/100 3.8 pts vs avg

Above neutral band

vs 83.1 national avg

Specialty distribution in Connecticut

How Gynecologic Oncology 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%Gynecologic Oncology Physician - 0%Gynecologic Oncology Physician0%
Largest specialties in Connecticut (% of in-state providers)

Medicare quality performance, MIPS

Molly Brewer, MD's 2023 MIPS final score plotted against the Gynecologic Oncology Physician national average

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

MIPS final score (Gynecologic Oncology Physician) - 79.3/100 vs national avg 83.1

0%100%National avg83%79.3%
MIPS final score (Gynecologic Oncology Physician) - 79.3/100 vs national avg 83.1
How MIPS and board certification work

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).

Molly Brewer, MD appears in the CMS NPPES registry as a Gynecologic Oncology Physician provider holding MD credentials at 263 FARMINGTON AVE, Farmington, CT, 06030, with a listed phone of (860) 679-2100. NPI 1013989615 was issued on 02/07/2006.

Medicare Part D records for calendar year 2023 show 85 prescription claims written by this provider, covering 31 Medicare beneficiaries and totaling roughly $24K in drug spend, split 18% brand-name and 82% generic by claim count. 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.

Gynecologic Oncology Physician is a narrow specialty nationwide, with 1,364 enrolled providers across 49 states and an average of 188 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

263 FARMINGTON AVE
Farmington, CT 06030

Provider Details

NPI 1013989615
Specialty Gynecologic Oncology Physician
Credentials MD
Gender Female
NPI Issued 02/07/2006

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 Molly Brewer, MD 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.

Peacehealth
Bellingham, WA

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 · Typical

Molly Brewer, MD - brand share 18.0%
Gynecologic Oncology Physician average

18% brand-name claims vs 82% generic, on 85 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.

85
Total Claims
$24K
Total Drug Cost
31
Medicare Beneficiaries

Prescribing Breakdown

30-Day Fills
139
Total Day Supply
3,644
Brand vs Generic
18% brand / 82% generic
Brand Drug Cost
$21K
Generic Drug Cost
$3K

Patient Demographics

Average Patient Age
71.5 years
Avg HCC Risk Score
1.21
Gender Split
100% female / 0% male

Gynecologic Oncology Physician Overview

How Molly Brewer, MD fits within the Gynecologic Oncology Physician landscape nationally.

1,364
Gynecologic Oncology Physician Providers in US
49
States with Gynecologic Oncology Physician
188
Avg Claims per Provider

Molly Brewer, MD's 85 claims are below the specialty average of 188.

Nearby Gynecologic Oncology Physician Providers in Connecticut

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

Compare Gynecologic Oncology 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 Gynecologic Oncology 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 Molly Brewer, MD's specialty?
Molly Brewer, MD specializes in Gynecologic Oncology Physician and practices in Farmington, Connecticut. Credentials: MD.
How much does Molly Brewer, MD prescribe under Medicare Part D?
In 2023, Molly Brewer, MD wrote 85 Medicare Part D claims totaling $24K in drug costs for 31 beneficiaries.
What is Molly Brewer, MD's Medicare quality score?
Molly Brewer, MD 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 Molly Brewer, MD located?
Molly Brewer, MD is located at 263 FARMINGTON AVE, Farmington, CT, 06030. Phone: (860) 679-2100.
What is Molly Brewer, MD's NPI number?
Molly Brewer, MD's National Provider Identifier (NPI) is 1013989615, issued on 02/07/2006.
Does Molly Brewer, MD prescribe more brand-name or generic drugs?
Molly Brewer, MD's prescribing is 18% brand-name and 82% generic drugs by claim count, with $21K in brand drug costs.
How many Gynecologic Oncology Physician providers are there in the US?
There are 1,364 Gynecologic Oncology Physician providers across 49 states in the US. The average Gynecologic Oncology Physician provider writes 188 Medicare Part D claims per year.
Does Molly Brewer, MD accept Medicare?
Molly Brewer, MD appears in CMS Medicare data with 85 Part D claims and 31 Medicare beneficiaries in 2023. Contact the provider's office directly to confirm current Medicare enrollment and accepted plans.
How can I verify Molly Brewer, MD's credentials?
Molly Brewer, MD's NPI is 1013989615 with credentials MD. 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

View source datasets and methodology notes
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.

Every figure on PlainDoctor is rendered directly from the federal CMS NPPES registry, Medicare Part D, MIPS, and Open Payments records, no number is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of May 2026.