NPPES file of Aug 9, 2026

Karen Elaine Thornton, MD

Family Medicine Physician · New York, NY

Karen Elaine Thornton, MD is a family medicine physician with a practice address in New York, New York, and NPI 1073629069, issued on Aug 22, 2006. Check the license (New York 193626, as entered in NPPES) on the NYS Education Department, Office of the Professions; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2023 and 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1073629069
Name
Karen Elaine Thornton
Credential
MD
Primary taxonomy
Family Medicine Physician 207Q00000X
License number
193626 NY
Self-reported in NPPES; status is on the state search
Practice location
344 W 51St St, New York, NY 10019
Phone
(212) 734-6621
Enumerated
Aug 22, 2006
Record last updated
May 24, 2023
Fax
(888) 738-3073
Medicare enrollment
Enrolled (PECOS I20201026002887); accepts Medicare assignment
Medical or professional school
Temple University School Of Medicine, 1989
Telehealth
Offers telehealth (CMS)
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 344 W 51St St

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Deborah Bernstein, MDInternal Medicine Physician1861918310
  2. Naketa Cooper, PAMedical Physician Assistant1720760077

Verify Karen Elaine Thornton in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersNYS Education Department, Office of the Professions
    Search for license 193626
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the New York license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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80% fewer Medicare Part D claims than the average family medicine physician in 2024

703 Medicare Part D claims for 109 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D.

  1. Karen Thornton703
  2. Specialty average3,544

Most prescribed

  1. Amlodipine Besylate52 claims
  2. Atorvastatin Calcium50 claims
  3. Butalbital-Acetaminophen49 claims
  4. Losartan Potassium25 claims
  5. Metformin Hcl24 claims
  6. Gabapentin22 claims

Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.

No measured MIPS final score for 2023

CMS assigned the neutral MIPS final score of 75 without scoring Quality, Cost, Promoting Interoperability or Improvement Activities. It is an administrative threshold, so PlainDoctor does not compare it with measured clinicians.

Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).

Industry payments in 2024: $3,343.11

108 payments; by number, the most common kind was food and beverage; the largest payer was ViiV Healthcare Company. The 55,478 providers of this specialty with any payment received $902.55 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Karen Thornton$3,343.11
  2. Specialty average$902.55

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

Bills Medicare through 2 group practices

  1. Rite Medical Care PCPassaic, NJ
  2. West 49TH Street Medical Practice, PCBrooklyn, NY

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Karen Elaine Thornton among 6,417 family medicine physician records in New York

Karen Elaine Thornton, MD is one of 6,417 family medicine physician records with a practice address in New York. 81% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 9% of them.

  • NPI issued2006 · 9% of these records are older, 58% newer
  • In a Medicare fileYes · 81% of these records are
  • In the CMS Doctors and Clinicians fileYes · 65% of these records are
  • Graduated1989 · median 2007 among the 4,188 with a school on file
  • Record last updated2023 · 58% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207Q00000X and a New York practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Family Medicine Physician providers in New York

There are 6,417 family medicine physician records in New York.

The 8 family medicine physician records with the nearest ZIP codes

  1. Lawrence Adler, M.D.New York, NY 100191609898469
  2. Maggie Bertisch, MDNew York, NY 100191730229303
  3. Todd Cowdery, MDNew York, NY 100191245561778
  4. Orin Douglas, MDNew York, NY 100191487810636
  5. Keith Greenberg, D.O.New York, NY 100191215008339
  6. Leila Hagshenas, MDNew York, NY 100191487811733
  7. Gerald Leichman, M.D.New York, NY 100191982701066
  8. Hosi Padamadan, MDNew York, NY 100191396708657

Common questions

What is Karen Elaine Thornton, MD's NPI number?

Karen Elaine Thornton, MD's National Provider Identifier (NPI) is 1073629069, issued on Aug 22, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Karen Elaine Thornton, MD located?

The NPPES record lists a practice address at 344 W 51St St, New York, NY, 10019. Phone: (212) 734-6621. Providers update this record themselves, so call before visiting.

How can I verify Karen Elaine Thornton, MD's license?

NPPES lists New York license number 193626, as entered by the provider. Search the NYS Education Department, Office of the Professions at https://www.op.nysed.gov/services/verifications/online-verification-searches. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Karen Elaine Thornton, MD prescribe under Medicare Part D?

In 2024, Karen Elaine Thornton, MD had 703 Medicare Part D claims for 109 beneficiaries; the average among family medicine physician prescribers was 3,544. Part D covers Medicare prescriptions only.

What is Karen Elaine Thornton, MD's MIPS final score?

CMS assigned the neutral MIPS final score of 75 for 2023 without scoring any category, so it is not a measured result.

Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.

Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.