NPPES file of Aug 9, 2026

Namita Tiwari, MD

Family Medicine Physician · Lowell, MA

Namita Tiwari, MD is a family medicine physician with a practice address in Lowell, Massachusetts, and NPI 1437417854, issued on Apr 24, 2012. Check the license (Massachusetts 284688, 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 2023 and 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1437417854
Name
Namita Tiwari
Credential
MD
Primary taxonomy
Family Medicine Physician 207Q00000X
License number
284688 MA
Self-reported in NPPES; status is on the state search
Practice location
295 Varnum Ave, Lowell, MA 01854
Phone
(978) 258-4734
Enumerated
Apr 24, 2012
Record last updated
Nov 30, 2021 (not updated in 5 years: call before relying on the address or phone)
Medicare enrollment
Enrolled (PECOS I20201103000490); accepts 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 295 Varnum Ave

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

  1. Rachelle Aaron, CNMAdvanced Practice Midwife1407355878
  2. Scott Abel, MDDiagnostic Radiology Physician1124020201
  3. Stella Abhyankar, MDInternal Medicine Physician1487697736
  4. Donald Agostinelli, M.D.Anatomic Pathology & Clinical Pathology Physician1144296450
  5. Muneer Ahmad, MDHospitalist Physician1902151301
  6. Jokha Ahmed, MDGeriatric Medicine (Internal Medicine) Physician1306369749

Verify Namita Tiwari 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 284688
    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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50% fewer Medicare Part D claims than the average family medicine physician in 2024

1,774 Medicare Part D claims for 278 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. 22 claims were for opioids.

  1. Namita Tiwari1,774
  2. Specialty average3,544

Most prescribed

  1. Atorvastatin Calcium104 claims
  2. Eliquis103 claims
  3. Metoprolol Succinate82 claims
  4. Furosemide80 claims
  5. Gabapentin68 claims
  6. Amlodipine Besylate58 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.

The MIPS final score for 2023 (Medicare payment program): 87.3 of 100

The Merit-based Incentive Payment System score is reported for this clinician. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.

  1. Qualityout of 100 · 30% of the final score80.0
  2. Costout of 100 · 30%61.1
  3. Promoting interoperabilitynot scored (reweighted)
  4. Improvement activities40 of 40 points · 15%100.0

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

Bills Medicare through one group practice

  1. Lowell General Inpatient Specialists PLLCLowell, MA

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

Namita Tiwari among 2,265 family medicine physician records in Massachusetts

Namita Tiwari, MD is one of 2,265 family medicine physician records with a practice address in Massachusetts. 80% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2012, is newer than 65% of them.

  • NPI issued2012 · 65% of these records are older, 32% newer
  • In a Medicare fileYes · 80% of these records are
  • In the CMS Doctors and Clinicians fileYes · 68% of these records are
  • Graduated2006 · median 2006 among the 1,529 with a school on file
  • Record last updated2021 · 59% 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 Massachusetts 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 Massachusetts

There are 2,265 family medicine physician records in Massachusetts.

The 8 family medicine physician records with the nearest ZIP codes

  1. Diane Epstein, MSN,FNPLowell, MA 018541932266343
  2. Julie O'Connor, M.D.Lowell, MA 018541528389863
  3. Majed Abbas, MDLowell, MA 018521346827870
  4. Muthulakshimi Arumugam, MSN, FNPLowell, MA 018521871277251
  5. Margarita Castro-Zarraga, M.D.Lowell, MA 018521578705679
  6. Deepthi Desai, MDLowell, MA 018521144762998
  7. Jessica Fournier, MDLowell, MA 018521437719135
  8. John Grieveson, MDLowell, MA 018521326018813

Common questions

What is Namita Tiwari, MD's NPI number?

Namita Tiwari, MD's National Provider Identifier (NPI) is 1437417854, issued on Apr 24, 2012. An NPI identifies a provider in billing; it is not a license.

Where is Namita Tiwari, MD located?

The NPPES record lists a practice address at 295 Varnum Ave, Lowell, MA, 01854. Phone: (978) 258-4734. Providers update this record themselves, so call before visiting.

How can I verify Namita Tiwari, MD's license?

NPPES lists Massachusetts license number 284688, 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 Namita Tiwari, MD prescribe under Medicare Part D?

In 2024, Namita Tiwari, MD had 1,774 Medicare Part D claims for 278 beneficiaries; the average among family medicine physician prescribers was 3,544. Part D covers Medicare prescriptions only.

What is Namita Tiwari, MD's MIPS final score?

The 2023 MIPS final score is 87.3 of 100. The average among 454,083 clinicians with a measured score was 83.5.

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.