2026 NPPES data Internal Medicine Physician NPI 1841937166 MD
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Zaynah Sadiq, MD

Internal Medicine Physician in Norton, Virginia. 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
753
Medicare Part D claims · 109 beneficiaries · Internal Medicine Physician avg: 3K
Generic prescribing
83%
generic claims · 17% brand-name · higher generic rates reduce patient out-of-pocket costs
Industry payments
$68
3 payments · CMS Open Payments (Sunshine Act)

What the federal data shows

Zaynah Sadiq, MD filed 753 Medicare Part D claims in 2023 as a Internal Medicine Physician in Norton, Virginia, prescribing 83% generic.

753
Part D claims, 2023
83%
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.

Zaynah Sadiq, MD's Medicare Part D volume vs every U.S. prescriber

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

753 Top 29% higher than 71% 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%). This entry sits in this band. 800–1,000: 40,919 prescribers (3%). Above this entry. 1,000–1,200: 31,827 prescribers (2%). Above this entry. 1,200–1,400: 26,224 prescribers (2%). Above this entry. 1,400–1,600: 21,710 prescribers (2%). Above this entry. 1,600–1,800: 19,072 prescribers (1%). Above this entry. 1,800–2,000: 16,451 prescribers (1%). Above this entry. 2,000–2,200: 213,991 prescribers (16%). Above this entry. 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)

Zaynah Sadiq, MD practices in an ABMS-board-eligible specialty and shows active CMS Medicare participation + 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 Zaynah Sadiq, MD?

Quality data not reported

NPI registry status

Active

Issued 05/18/2022

NPI 1841937166

Primary specialty

Internal Medicine Physician

High-volume

172,858 US NPIs in this specialty

Medicare Part D claims

753 72% vs specialty avg

2023 prescription claims

Specialty avg: 2,716

Specialty distribution in Virginia

How Internal Medicine Physician compares to other specialties among Virginia providers

Virginia providers

Internal Medicine Physician share within Virginia

1. Internal Medicine Physician42%2. Internal medicine21%3. Family medicine17%4. Surgical12%5. Pediatric8%
Internal Medicine Physician share within Virginia

Specialty board-certification context

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

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

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

0%100%78%
Est. board-certified rate (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).

Zaynah Sadiq, MD appears in the CMS NPPES registry as a Internal Medicine Physician provider holding MD credentials at 100 15TH ST NW, Norton, VA, 24273, with a listed phone of (276) 439-1000. NPI 1841937166 was issued on 05/18/2022. Because NPPES data is self-reported by the provider and refreshed monthly, the address, phone, and specialty reflect what Sadiq 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 753 prescription claims written by this provider, covering 109 Medicare beneficiaries and totaling roughly $62K in drug spend, split 17% brand-name and 83% generic by claim count, with an opioid prescribing rate of 3.6%. 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.

Internal Medicine Physician is a high-volume specialty nationwide, with 172,858 enrolled providers across 56 states and an average of 2,716 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

100 15TH ST NW
Norton, VA 24273

Provider Details

NPI 1841937166
Specialty Internal Medicine Physician
Credentials MD
Gender Female
NPI Issued 05/18/2022

Hospital and facility affiliations

Facilities where Zaynah Sadiq, 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.

Hospitalist Medicine Physicians OF California Inc
Fremont, CA

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 Zaynah Sadiq, MD. Source: openpaymentsdata.cms.gov.

Total received

$68

Largest payer

Merck Sharp & Dohme LLC

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

Zaynah Sadiq, MD — brand share 17.0%
Specialty average (est.)

17% brand-name claims vs 83% generic, on 753 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.

753
Total Claims
$62K
Total Drug Cost
109
Medicare Beneficiaries

Prescribing Breakdown

30-Day Fills
1,151
Total Day Supply
32,094
Brand vs Generic
17% brand / 83% generic
Brand Drug Cost
$53K
Generic Drug Cost
$9K
Opioid Claims
27 (3.6% rate)
Antibiotic Claims
49

Patient Demographics

Average Patient Age
70.8 years
Avg HCC Risk Score
2.21
Gender Split
51% female / 49% male

Top Prescribed Drugs (Medicare Part D)

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

What Zaynah Sadiq, 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
Gabapentin
32
Omeprazole
30
Amlodipine Besylate
28
Levothyroxine Sodium
28
Rosuvastatin Calcium
27
Furosemide
22
Tamsulosin Hcl
22
Carvedilol
21
Losartan Potassium
17
Jardiance
Empagliflozin
16

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

Internal Medicine Physician Overview

How Zaynah Sadiq, MD fits within the Internal Medicine Physician landscape nationally.

172,858
Internal Medicine Physician Providers in US
56
States with Internal Medicine Physician
2,716
Avg Claims per Provider

Zaynah Sadiq, MD's 753 claims are below the specialty average of 2,716.

Nearby Internal Medicine Physician Providers in Virginia

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

Compare Internal Medicine 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 Virginia medical board — federal registration is not a license check. Credential verification guide
  • Weigh a second option: compare this provider with a nearby Internal Medicine 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 Zaynah Sadiq, MD's specialty?
Zaynah Sadiq, MD specializes in Internal Medicine Physician and practices in Norton, Virginia. Credentials: MD.
How much does Zaynah Sadiq, MD prescribe under Medicare Part D?
In 2023, Zaynah Sadiq, MD wrote 753 Medicare Part D claims totaling $62K in drug costs for 109 beneficiaries.
Where is Zaynah Sadiq, MD located?
Zaynah Sadiq, MD is located at 100 15TH ST NW, Norton, VA, 24273. Phone: (276) 439-1000.
What is Zaynah Sadiq, MD's NPI number?
Zaynah Sadiq, MD's National Provider Identifier (NPI) is 1841937166, issued on 05/18/2022.
Does Zaynah Sadiq, MD prescribe more brand-name or generic drugs?
Zaynah Sadiq, MD's prescribing is 17% brand-name and 83% generic drugs by claim count, with $53K in brand drug costs.
Does Zaynah Sadiq, MD prescribe opioids?
Yes, Zaynah Sadiq, MD had 27 opioid claims in 2023 with an opioid prescribing rate of 3.6%.
How many Internal Medicine Physician providers are there in the US?
There are 172,858 Internal Medicine Physician providers across 56 states in the US. The average Internal Medicine Physician provider writes 2,716 Medicare Part D claims per year.
What drugs does Zaynah Sadiq, MD prescribe most often?
Based on 2023 Medicare Part D data, Zaynah Sadiq, MD's most frequently prescribed drugs include Gabapentin, Omeprazole, Amlodipine Besylate. This reflects Medicare Part D prescriptions only and does not include commercial insurance or other payer types.
Does Zaynah Sadiq, MD accept Medicare?
Zaynah Sadiq, MD appears in CMS Medicare data with 753 Part D claims and 109 Medicare beneficiaries in 2023. Contact the provider's office directly to confirm current Medicare enrollment and accepted plans.
How can I verify Zaynah Sadiq, MD's credentials?
Zaynah Sadiq, MD's NPI is 1841937166 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