NPPES file of Aug 9, 2026

Sara Larson Clay, MD

Internal Medicine Physician · Lowell, MA

Sara Larson Clay, MD is an internal medicine physician with a practice address in Lowell, Massachusetts, and NPI 1073575809, issued on Apr 5, 2006. Check the license (Massachusetts 157861, as entered in NPPES) on the Massachusetts Board of Registration in Medicine; the Medicare figures below come from public CMS files.

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

NPPES recordNPPES file of Aug 9, 2026
1073575809
Name
Sara Larson Clay
Credential
MD
Primary taxonomy
Internal Medicine Physician 207R00000X
License number
157861 MA
Self-reported in NPPES; status is on the state search
Practice location
275 Varnum Ave, Lowell, MA 01854
Phone
(978) 452-9700
Enumerated
Apr 5, 2006
Record last updated
Jan 3, 2024
Fax
(978) 441-6075
Medicaid ID
3199428 MA
Medicare enrollment
Enrolled (PECOS I20090223000184); accepts Medicare assignment
Medical or professional school
Duke University School Of Medicine, 1996
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 275 Varnum Ave

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

  1. Stuart Arbesfeld, M.D.Specialist1326123308
  2. Rekha Bains, M.D.Pediatrics Physician1770547622
  3. Sweta Desai, MDCritical Care Medicine (Internal Medicine) Physician1457312654
  4. Shilpa Doogal, MDPulmonary Disease Physician1316932858
  5. Eric Galardi, NPNurse Practitioner1639427206
  6. Beverly Goldberg, MDPulmonary Disease Physician1154316693

Verify Sara Larson Clay in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMassachusetts Board of Registration in Medicine
    Search for license 157861
    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 Massachusetts 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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98% more Medicare Part D claims than the average internal medicine physician in 2024

6,299 Medicare Part D claims for 474 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 11% of claims. 207 claims were for opioids.

  1. Sara Clay6,299
  2. Specialty average3,176

Most prescribed

  1. Atorvastatin Calcium436 claims
  2. Amlodipine Besylate297 claims
  3. Lisinopril292 claims
  4. Levothyroxine Sodium286 claims
  5. Omeprazole213 claims
  6. Sertraline Hcl185 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.

Industry payments in 2024: $22.12

1 payment: food and beverage; the largest payer was Amgen Inc. The 50,334 providers of this specialty with any payment received $1,303.06 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Sara Clay$22.12
  2. Specialty average$1,303.06

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

Bills Medicare through one group practice

  1. Riverside Medical Group PCLowell, MA

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

Sara Larson Clay among 6,825 internal medicine physician records in Massachusetts

Sara Larson Clay, MD is one of 6,825 internal medicine physician records with a practice address in Massachusetts. 75% 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 12% of them.

  • NPI issued2006 · 12% of these records are older, 54% newer
  • In a Medicare fileYes · 75% of these records are
  • In the CMS Doctors and Clinicians fileYes · 60% of these records are
  • Graduated1996 · median 2004 among the 4,103 with a school on file
  • Record last updated2024 · 64% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a Massachusetts practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

57 internal medicine physician records list a practice address in Lowell

They are 57 of the 2,992 NPPES records with a practice address in Lowell, and 6,825 internal medicine physician records in Massachusetts.

The 8 internal medicine physician records with the nearest ZIP codes

  1. Stella Abhyankar, MDLowell, MA 018541487697736
  2. Hamid Danesh, MDLowell, MA 018541811961196
  3. Mukund Gupta, MDLowell, MA 018541912972803
  4. Philip Kotsios, M.D.Lowell, MA 018541306801493
  5. Frances Morse, MDLowell, MA 018541053373860
  6. Lata Mundkur, M.D.Lowell, MA 018541487645248
  7. Tushar Patel, M.D.Lowell, MA 018541376504399
  8. Sachin Patel, M.D.Lowell, MA 018541538116991

Common questions

What is Sara Larson Clay, MD's NPI number?

Sara Larson Clay, MD's National Provider Identifier (NPI) is 1073575809, issued on Apr 5, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Sara Larson Clay, MD located?

The NPPES record lists a practice address at 275 Varnum Ave, Lowell, MA, 01854. Phone: (978) 452-9700. Providers update this record themselves, so call before visiting.

How can I verify Sara Larson Clay, MD's license?

NPPES lists Massachusetts license number 157861, as entered by the provider. Search the Massachusetts Board of Registration in Medicine at https://findmydoctor.mass.gov/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Sara Larson Clay, MD prescribe under Medicare Part D?

In 2024, Sara Larson Clay, MD had 6,299 Medicare Part D claims for 474 beneficiaries; the average among internal medicine physician prescribers was 3,176. Part D covers Medicare prescriptions only.

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.