NPPES file of Aug 9, 2026

Rekha Hari Nair, M.D.

Internal Medicine Physician · Westborough, MA

Rekha Hari Nair, M.D. is an internal medicine physician with a practice address in Westborough, Massachusetts, and NPI 1013119221, issued on Jun 1, 2007. Check the license (Massachusetts 231846, 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
1013119221
Name
Rekha Hari Nair
Credential
M.D.
Primary taxonomy
Internal Medicine Physician 207R00000X
License numbers
231846 MA
MD6024053 WA
Self-reported in NPPES; status is on the state search
Practice location
176 E Main St, Westborough, MA 01581
Phone
(425) 615-1623
Enumerated
Jun 1, 2007
Record last updated
Feb 11, 2025
Fax
(508) 389-4919
Medicaid ID
110077532A MA
Medicare enrollment
Enrolled (PECOS I20071022000173); may accept Medicare assignment
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 176 E Main St

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

  1. Carol Bard, DMDDentist1154448462
  2. Kathleen Casamento, RNPlastic Surgery Registered Nurse1639793375
  3. Khaled Zohni, DMDDentist1821128521

Verify Rekha Hari Nair 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 231846
    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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45% more Medicare Part D claims than the average internal medicine physician in 2024

4,594 Medicare Part D claims for 425 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 8% of claims. 66 claims were for opioids.

  1. Rekha Nair4,594
  2. Specialty average3,176

Most prescribed

  1. Atorvastatin Calcium487 claims
  2. Lisinopril268 claims
  3. Amlodipine Besylate208 claims
  4. Losartan Potassium197 claims
  5. Omeprazole189 claims
  6. Levothyroxine Sodium175 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.

Rekha Hari Nair among 6,825 internal medicine physician records in Massachusetts

Rekha Hari Nair, M.D. 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 2007, is newer than 46% of them.

  • NPI issued2007 · 46% of these records are older, 45% newer
  • In a Medicare fileYes · 75% of these records are
  • In the CMS Doctors and Clinicians fileYes · 60% of these records are
  • Graduated1997 · median 2004 among the 4,103 with a school on file
  • Record last updated2025 · 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).

27 internal medicine physician records list a practice address in Westborough

They are 27 of the 565 NPPES records with a practice address in Westborough, and 6,825 internal medicine physician records in Massachusetts.

The 8 internal medicine physician records with the nearest ZIP codes

  1. Parmender Bagga, MDWestborough, MA 015811861478059
  2. Clifford Behmer, M.D.Westborough, MA 015811407839392
  3. Elisabeth Brewer, M.D.Westborough, MA 015811902853690
  4. Arthur Brewer, M.D.Westborough, MA 015811457360588
  5. Faiyaz Hakim, MDWestborough, MA 015811932113446
  6. Nandana Kansra, M.D.Westborough, MA 015811073564225
  7. Robert Klugman, M.D.Westborough, MA 015811740263417
  8. Shelley Kramer, MDWestborough, MA 015811649233495

Common questions

What is Rekha Hari Nair, M.D.'s NPI number?

Rekha Hari Nair, M.D.'s National Provider Identifier (NPI) is 1013119221, issued on Jun 1, 2007. An NPI identifies a provider in billing; it is not a license.

Where is Rekha Hari Nair, M.D. located?

The NPPES record lists a practice address at 176 E Main St, Westborough, MA, 01581. Phone: (425) 615-1623. Providers update this record themselves, so call before visiting.

How can I verify Rekha Hari Nair, M.D.'s license?

NPPES lists Massachusetts license number 231846, 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 Rekha Hari Nair, M.D. prescribe under Medicare Part D?

In 2024, Rekha Hari Nair, M.D. had 4,594 Medicare Part D claims for 425 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.