NPPES file of Aug 9, 2026

Theodore Guldemond, M.D.

Internal Medicine Physician · Wilmington, MA

Theodore Guldemond, M.D. is an internal medicine physician with a practice address in Wilmington, Massachusetts, and NPI 1598721524, issued on Apr 26, 2006. Check the license (Massachusetts 49802, 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
1598721524
Name
Theodore Guldemond
Credential
M.D.
Primary taxonomy
Internal Medicine Physician 207R00000X
License number
49802 MA
Self-reported in NPPES; status is on the state search
Practice location
500 Salem St, Wilmington, MA 01887
Phone
(978) 988-6000
Enumerated
Apr 26, 2006
Record last updated
Jul 13, 2026
Fax
(978) 657-4169
Medicaid ID
3033414 MA
Medicare enrollment
Enrolled (PECOS I20040401000484); accepts Medicare assignment
Medical or professional school
Des Moines University Of Osteopathic Medicine And Health Sciences, 1980
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 500 Salem St

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

  1. Sarah Andrew, MDPediatrics Physician1841281250
  2. Sara Barnes, AU.D.Audiologist-Hearing Aid Fitter1326398207
  3. Daniel Carson, MDPediatrics Physician1801887211
  4. Pamela Cote, R.D.,C.D.E.,L.D.Registered Dietitian1073637393
  5. Jessica Delaney-Sloper, ANPAdult Health Nurse Practitioner1992944995
  6. Haley Govoni, NPFamily Nurse Practitioner1679031959

Verify Theodore Guldemond 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 49802    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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92% fewer Medicare Part D claims than the average internal medicine physician in 2024

258 Medicare Part D claims for 177 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D.

  1. Theodore Guldemond258
  2. Specialty average3,176

Most prescribed

  1. Prednisone35 claims
  2. Amoxicillin-Clavulanate Potass24 claims
  3. Cephalexin20 claims
  4. Azithromycin19 claims
  5. Albuterol Sulfate Hfa18 claims
  6. Doxycycline Hyclate12 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. Urgent Care Operations PCBeverly, MA

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

15 internal medicine physician records list a practice address in Wilmington

They are 15 of the 443 NPPES records with a practice address in Wilmington, and 6,825 internal medicine physician records in Massachusetts.

All 15 in Wilmington → All 6,825 in Massachusetts → Every provider in Wilmington →

Other internal medicine physician records in Massachusetts

  1. Nawal Aamir, MDWorcester, MA1588248926
  2. Nathan Abare, MDSpringfield, MA1386852747
  3. Nooshin Abbasi, MD MPHNewton, MA1831888353
  4. Taimur AbbasiBoston, MA1841673522
  5. Lauren Abbate, MDBoston, MA1922099621
  6. Bassima Abdallah, MDBoston, MA1912327305
  7. Maya Abdallah, MDBoston, MA1861854937
  8. Samah Abdallah, MDBrighton, MA1730814971
  9. Omar Abdel-Wahab, M.D.Boston, MA1023042777
  10. Mohab AbdelhalimBoston, MA1871388496

Common questions

What is Theodore Guldemond, M.D.'s NPI number?

Theodore Guldemond, M.D.'s National Provider Identifier (NPI) is 1598721524, issued on Apr 26, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Theodore Guldemond, M.D. located?

The NPPES record lists a practice address at 500 Salem St, Wilmington, MA, 01887. Phone: (978) 988-6000. Providers update this record themselves, so call before visiting.

How can I verify Theodore Guldemond, M.D.'s license?

NPPES lists Massachusetts license number 49802, 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 Theodore Guldemond, M.D. prescribe under Medicare Part D?

In 2024, Theodore Guldemond, M.D. had 258 Medicare Part D claims for 177 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.

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.