NPPES file of Aug 9, 2026

Allen C. Waltman, M.D.

Geriatric Medicine (Internal Medicine) Physician · Randolph, MA

Allen C. Waltman, M.D. is a geriatric medicine (internal medicine) physician with a practice address in Randolph, Massachusetts, and NPI 1669450227, issued on Jan 4, 2006. Check the license (Massachusetts 42030, 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
1669450227
Name
Allen C. Waltman
Credential
M.D.
Primary taxonomy
Geriatric Medicine (Internal Medicine) Physician 207RG0300X
License number
42030 MA
Self-reported in NPPES; status is on the state search
Practice location
999 N Main St, Randolph, MA 02368
Phone
(781) 961-1330
Enumerated
Jan 4, 2006
Record last updated
Jul 7, 2008 (not updated in 18 years: call before relying on the address or phone)
Medicaid ID
0134333 MA
Medicare enrollment
Enrolled (PECOS I20040817000357); accepts Medicare assignment
Medical or professional school
Boston University School Of Medicine, 1973
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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8 nearest geriatric medicine (internal medicine) physician records → All 225 in Massachusetts → Look up another NPI →

Also registered at 999 N Main St

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

  1. Micheline ChampagneOrthopedic Physical Therapist1326094889
  2. Ann Glasman, MDInternal Medicine Physician1699883736
  3. Chinwe OkochaPsychiatric/Mental Health Nurse Practitioner1942063045
  4. Olarewaju Oladipo, M.D.Specialist1841350386

Verify Allen C. Waltman 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 42030    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

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14% fewer Medicare Part D claims than the average geriatric medicine (internal medicine) physician in 2024

3,671 Medicare Part D claims for 118 beneficiaries, against an average of 4,246 among the 3,116 providers of this specialty who prescribed in Part D. Brand-name drugs were 13% of claims. 47 claims were for opioids.

  1. Allen Waltman3,671
  2. Specialty average4,246

Most prescribed

  1. Atorvastatin Calcium209 claims
  2. Trazodone Hcl159 claims
  3. Furosemide158 claims
  4. Levothyroxine Sodium151 claims
  5. Donepezil Hcl125 claims
  6. Sertraline Hcl124 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. Aco Health Solutions, LLCNorth Dartmouth, MA

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

Allen C. Waltman among 225 geriatric medicine (internal medicine) physician records in Massachusetts

Allen C. Waltman, M.D. is one of 225 geriatric medicine (internal medicine) physician records with a practice address in Massachusetts. 71% 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 14% of them.

  • NPI issued2006 · 14% of these records are older, 44% newer
  • In a Medicare fileYes · 71% of these records are
  • In the CMS Doctors and Clinicians fileYes · 53% of these records are
  • Graduated1973 · median 2000 among the 119 with a school on file
  • Record last updated2008 · 63% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RG0300X and a Massachusetts practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Geriatric Medicine (Internal Medicine) Physician providers in Massachusetts

There are 225 geriatric medicine (internal medicine) physician records in Massachusetts.

All 225 in Massachusetts → Every provider in Randolph → Geriatric Medicine (Internal Medicine) Physician nationwide →

The 8 geriatric medicine (internal medicine) physician records with the nearest ZIP codes

  1. Mary Butterfield, D.O.Brockton, MA 023011962690800
  2. Jane Driver, M.D.Brockton, MA 023011891727319
  3. Jill Harrington, MDBrockton, MA 023011710349329
  4. Jessica Leuchtenburg, MDBrockton, MA 023011851979686
  5. Wei Shen, M.D.Brockton, MA 023011194826990
  6. Terri Spencer, M.D.Brockton, MA 023011568496222
  7. Sarah Gorey, MB BCH BAO MSCBrookline, MA 024451174329106
  8. So Dam Kim, M.D.Brookline, MA 024451053677260

Common questions

What is Allen C. Waltman, M.D.'s NPI number?

Allen C. Waltman, M.D.'s National Provider Identifier (NPI) is 1669450227, issued on Jan 4, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Allen C. Waltman, M.D. located?

The NPPES record lists a practice address at 999 N Main St, Randolph, MA, 02368. Phone: (781) 961-1330. Providers update this record themselves, so call before visiting.

How can I verify Allen C. Waltman, M.D.'s license?

NPPES lists Massachusetts license number 42030, 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 Allen C. Waltman, M.D. prescribe under Medicare Part D?

In 2024, Allen C. Waltman, M.D. had 3,671 Medicare Part D claims for 118 beneficiaries; the average among geriatric medicine (internal medicine) physician prescribers was 4,246. 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.

Written with AI tools from the named public files; every figure is computed from those files (how it is made).

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.