2026 NPPES data Sleep Medicine (Internal Medicine) Physician NPI 1023298445 MD
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ABHINAV SINGH, MD

Sleep Medicine (Internal Medicine) Physician in GREENWOOD, Indiana. CMS National Plan and Provider Enumeration System profile including specialty classification, practice address, and Medicare prescribing data when reported.

Federal data — no proprietary rating. PlainDoctor publishes the actual CMS NPPES and Medicare records — NPI registration, specialty, practice location, and prescribing data — without a composite score or editorial opinion on top. Every field traces to a federal source.
Prescribing volume
6K
Medicare Part D claims · 447 beneficiaries · Sleep Medicine (Internal Medicine) Physician avg: 1K
Generic prescribing
88%
generic claims · 12% brand-name · higher generic rates reduce patient out-of-pocket costs
Industry payments
$182.6K
302 payments · CMS Open Payments (Sunshine Act)

What the federal data shows

ABHINAV SINGH, MD filed 6,056 Medicare Part D claims in 2023 as a Sleep Medicine (Internal Medicine) Physician in GREENWOOD, Indiana, prescribing 88% generic.

6K
Part D claims, 2023
88%
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.

ABHINAV SINGH, MD's Medicare Part D volume vs every U.S. prescriber

Total Medicare Part D claims, 2023 — across all CMS prescribers nationally

6,056 Top 5% higher than 95% of 1,370,886 prescribers

0–200: 670,926 prescribers (49%). Below this entry. 200–400: 182,923 prescribers (13%). Below this entry. 400–600: 90,619 prescribers (7%). Below this entry. 600–800: 56,224 prescribers (4%). Below this entry. 800–1,000: 40,919 prescribers (3%). Below this entry. 1,000–1,200: 31,827 prescribers (2%). Below this entry. 1,200–1,400: 26,224 prescribers (2%). Below this entry. 1,400–1,600: 21,710 prescribers (2%). Below this entry. 1,600–1,800: 19,072 prescribers (1%). Below this entry. 1,800–2,000: 16,451 prescribers (1%). Below this entry. 2,000–2,200: 213,991 prescribers (16%). This entry sits in this band. This provider 0 2K+ every Part D prescriber (claims/yr), bucketed by value

Each bar is a band; taller bars hold more prescribers. 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 Medicare Part D Prescriber Public Use File · 2023

Board certification likely (heuristic — not verified)

ABHINAV SINGH, MD practices in an ABMS-board-eligible specialty and shows active CMS Medicare participation + 2 hospital affiliations — 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 ABHINAV SINGH, MD?

Quality data not reported

NPI registry status

Active

Issued 11/14/2007

NPI 1023298445

Primary specialty

Sleep Medicine (Internal Medicine) Physician

Niche

857 US NPIs in this specialty

Medicare Part D claims

6,056 362% vs specialty avg

2023 prescription claims

Specialty avg: 1,310

Specialty distribution in Indiana

How Sleep Medicine (Internal Medicine) Physician compares to other specialties among Indiana providers

Indiana providers

Sleep Medicine (Internal Medicine) Physician share within Indiana

1. Sleep Medicine (Internal Medicine) Physician42%2. Internal medicine21%3. Family medicine17%4. Surgical12%5. Pediatric8%
Sleep Medicine (Internal Medicine) Physician share within Indiana

Specialty board-certification context

Estimated specialty board-certified rate — Sleep Medicine (Internal Medicine) Physician (ABMS / AOA reference)

Quality data not reported
Est. board-certified rate
78%
Sleep Medicine (Internal Medicine) Physician ABMS/AOA estimate

Est. board-certified rate (Sleep Medicine (Internal Medicine) Physician) — ABMS / AOA estimate

0%100%78%
Est. board-certified rate (Sleep Medicine (Internal Medicine) Physician) — ABMS / AOA estimate

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).

ABHINAV SINGH, MD appears in the CMS NPPES registry as a Sleep Medicine (Internal Medicine) Physician provider holding MD credentials at 701 E COUNTY LINE RD, GREENWOOD, IN, 46143, with a listed phone of (317) 885-2860. NPI 1023298445 was issued on 11/14/2007. Because NPPES data is self-reported by the provider and refreshed monthly, the address, phone, and specialty reflect what SINGH 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 6,056 prescription claims written by this provider, covering 447 Medicare beneficiaries and totaling roughly $619K in drug spend, split 12% brand-name and 88% generic by claim count, with an opioid prescribing rate of 2.4%. 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.

Sleep Medicine (Internal Medicine) Physician is a narrow specialty nationwide, with 857 enrolled providers across 52 states and an average of 1,310 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

701 E COUNTY LINE RD
GREENWOOD, IN 46143

Provider Details

NPI 1023298445
Specialty Sleep Medicine (Internal Medicine) Physician
Credentials MD
Gender Male
NPI Issued 11/14/2007

Hospital and facility affiliations

Facilities where ABHINAV SINGH, 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.

INDIANA INTERNAL MEDICINE CONSULTANTS LLC
GREENWOOD, IN
ST FRANCIS MEDICAL GROUP LLC
GREENWOOD, IN

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

Industry payments received (2024) — CMS Open Payments transparency data

The federal Physician Payments Sunshine Act (part of the Affordable Care Act) requires drug and medical-device manufacturers + group purchasing organizations to publicly report payments and other transfers of value to physicians and teaching hospitals. The data below covers 2024 for ABHINAV SINGH, MD. Source: openpaymentsdata.cms.gov.

Total received

$182.6K

Largest payer

JAZZ PHARMACEUTICALS INC.

Most common payment type

Food and Beverage

Industry payments are not necessarily indicators of bias — they include research funding, consulting fees for evidence-based work, royalties for inventions, food at conferences, and similar items. The disclosure exists for transparency. Read our methodology for how we interpret this data.

Brand vs generic prescribing mix · Typical

ABHINAV SINGH, MD — brand share 12.0%
Specialty average (est.)

12% brand-name claims vs 88% generic, on 6,056 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.

6,056
Total Claims
$619K
Total Drug Cost
447
Medicare Beneficiaries

Prescribing Breakdown

30-Day Fills
13,630
Total Day Supply
398,806
Brand vs Generic
12% brand / 88% generic
Brand Drug Cost
$490K
Generic Drug Cost
$129K
Opioid Claims
146 (2.4% rate)
Antibiotic Claims
193

Patient Demographics

Average Patient Age
73.6 years
Avg HCC Risk Score
1.31
Gender Split
54% female / 46% male
Age Distribution
<65: 39, 65-74: 193, 75-84: 175, 85+: 40

Top Prescribed Drugs (Medicare Part D)

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

What ABHINAV SINGH, MD 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
406
Atorvastatin Calcium
366
Omeprazole
192
Trazodone Hcl
184
Gabapentin
165
Losartan Potassium
157
Metoprolol Succinate
151
Lisinopril
149
Amlodipine Besylate
127
Simvastatin
123

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

Sleep Medicine (Internal Medicine) Physician Overview

How ABHINAV SINGH, MD fits within the Sleep Medicine (Internal Medicine) Physician landscape nationally.

857
Sleep Medicine (Internal Medicine) Physician Providers in US
52
States with Sleep Medicine (Internal Medicine) Physician
1,310
Avg Claims per Provider

ABHINAV SINGH, MD's 6,056 claims are above the specialty average of 1,310.

Nearby Sleep Medicine (Internal Medicine) Physician Providers in Indiana

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

Compare Sleep Medicine (Internal Medicine) Physician nationally: see state-by-state distribution →

Frequently Asked Questions

What is ABHINAV SINGH, MD's specialty?
ABHINAV SINGH, MD specializes in Sleep Medicine (Internal Medicine) Physician and practices in GREENWOOD, Indiana. Credentials: MD.
How much does ABHINAV SINGH, MD prescribe under Medicare Part D?
In 2023, ABHINAV SINGH, MD wrote 6,056 Medicare Part D claims totaling $619K in drug costs for 447 beneficiaries.
Where is ABHINAV SINGH, MD located?
ABHINAV SINGH, MD is located at 701 E COUNTY LINE RD, GREENWOOD, IN, 46143. Phone: (317) 885-2860.
What is ABHINAV SINGH, MD's NPI number?
ABHINAV SINGH, MD's National Provider Identifier (NPI) is 1023298445, issued on 11/14/2007.
Does ABHINAV SINGH, MD prescribe more brand-name or generic drugs?
ABHINAV SINGH, MD's prescribing is 12% brand-name and 88% generic drugs by claim count, with $490K in brand drug costs.
Does ABHINAV SINGH, MD prescribe opioids?
Yes, ABHINAV SINGH, MD had 146 opioid claims in 2023 with an opioid prescribing rate of 2.4%.
How many Sleep Medicine (Internal Medicine) Physician providers are there in the US?
There are 857 Sleep Medicine (Internal Medicine) Physician providers across 52 states in the US. The average Sleep Medicine (Internal Medicine) Physician provider writes 1,310 Medicare Part D claims per year.
What drugs does ABHINAV SINGH, MD prescribe most often?
Based on 2023 Medicare Part D data, ABHINAV SINGH, MD's most frequently prescribed drugs include Levothyroxine Sodium, Atorvastatin Calcium, Omeprazole. This reflects Medicare Part D prescriptions only and does not include commercial insurance or other payer types.
Does ABHINAV SINGH, MD accept Medicare?
ABHINAV SINGH, MD appears in CMS Medicare data with 6,056 Part D claims and 447 Medicare beneficiaries in 2023. Contact the provider's office directly to confirm current Medicare enrollment and accepted plans.
How can I verify ABHINAV SINGH, MD's credentials?
ABHINAV SINGH, MD's NPI is 1023298445 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

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.
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