NPPES file of Aug 9, 2026

Ronald N. Adler, M.D.

Family Medicine Physician · Worcester, MA

Ronald N. Adler, M.D. is a family medicine physician with a practice address in Worcester, Massachusetts, and NPI 1083697841, issued on Nov 25, 2005. Check the license (Massachusetts 73316, 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
1083697841
Name
Ronald N. Adler
Credential
M.D.
Primary taxonomy
Family Medicine Physician 207Q00000X
License number
73316 MA
Self-reported in NPPES; status is on the state search
Practice location
279 Lincoln St, Worcester, MA 01605
Phone
(508) 334-8830
Enumerated
Nov 25, 2005
Record last updated
Oct 24, 2020 (not updated in 6 years: call before relying on the address or phone)
Medicaid ID
3197140 MA
Medicare enrollment
Enrolled (PECOS I20050421001179); accepts Medicare assignment
Medical or professional school
University Of Massachusetts Medical School, 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 279 Lincoln St

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

  1. Margaret Apura, RD, LDNRegistered Dietitian1356558704
  2. Katharine Barnard, M.D.Family Medicine Physician1326023425
  3. F. Alexander Blount, ED.D.Clinical Psychologist1679551121
  4. Kimberly Bombaci, M.D.Family Medicine Physician1932420676
  5. Judson Brewer, MDPsychiatry Physician1851315840
  6. Patrina Brown, PMHNP-BCPsychiatric/Mental Health Nurse Practitioner1124846340

Verify Ronald N. Adler 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 73316
    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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14% fewer Medicare Part D claims than the average family medicine physician in 2024

3,058 Medicare Part D claims for 170 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. Brand-name drugs were 13% of claims. 330 claims were for opioids.

  1. Ronald Adler3,058
  2. Specialty average3,544

Most prescribed

  1. Lisinopril194 claims
  2. Atorvastatin Calcium189 claims
  3. Metoprolol Succinate116 claims
  4. Oxycodone Hcl106 claims
  5. Gabapentin103 claims
  6. Omeprazole95 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.

Bills Medicare through one group practice

  1. Umass Memorial Medical Group IncWorcester, MA

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

Ronald N. Adler among 2,265 family medicine physician records in Massachusetts

Ronald N. Adler, M.D. 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 2005, is newer than 0% of them.

  • NPI issued2005 · 0% of these records are older, 86% newer
  • In a Medicare fileYes · 80% of these records are
  • In the CMS Doctors and Clinicians fileYes · 68% of these records are
  • Graduated1989 · median 2006 among the 1,529 with a school on file
  • Record last updated2020 · 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).

168 family medicine physician records list a practice address in Worcester

They are 168 of the 13,166 NPPES records with a practice address in Worcester, and 2,265 family medicine physician records in Massachusetts.

The 8 family medicine physician records with the nearest ZIP codes

  1. Katharine Barnard, M.D.Worcester, MA 016051326023425
  2. James Broadhurst, M.D.Worcester, MA 016051457334351
  3. Gina D'Ottavio, M.D.Worcester, MA 016051114902038
  4. Michael Ennis, M.D.Worcester, MA 016051861482663
  5. Gerald Gleich, M.D.Worcester, MA 016051962485722
  6. Jeremy Golding, M.D.Worcester, MA 016051407838378
  7. Lisa Gordon, MDWorcester, MA 016051861478984
  8. Jasen Gundersen, M.D.Worcester, MA 016051881677789

Common questions

What is Ronald N. Adler, M.D.'s NPI number?

Ronald N. Adler, M.D.'s National Provider Identifier (NPI) is 1083697841, issued on Nov 25, 2005. An NPI identifies a provider in billing; it is not a license.

Where is Ronald N. Adler, M.D. located?

The NPPES record lists a practice address at 279 Lincoln St, Worcester, MA, 01605. Phone: (508) 334-8830. Providers update this record themselves, so call before visiting.

How can I verify Ronald N. Adler, M.D.'s license?

NPPES lists Massachusetts license number 73316, 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 Ronald N. Adler, M.D. prescribe under Medicare Part D?

In 2024, Ronald N. Adler, M.D. had 3,058 Medicare Part D claims for 170 beneficiaries; the average among family medicine physician prescribers was 3,544. 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.