NPPES file of Aug 9, 2026

Theodor Thomas Herwig, MD

Family Medicine Physician · Brewster, MA

Theodor Thomas Herwig, MD is a family medicine physician with a practice address in Brewster, Massachusetts, and NPI 1821076688, issued on Jan 3, 2006. Check the license (Massachusetts 72413, 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
1821076688
Name
Theodor Thomas Herwig
Credential
MD
Primary taxonomy
Family Medicine Physician 207Q00000X
License number
72413 MA
Self-reported in NPPES; status is on the state search
Practice location
1 Independence Way, Brewster, MA 02631
Phone
(508) 896-0050
Enumerated
Jan 3, 2006
Record last updated
Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
Fax
(508) 896-0012
Medicaid ID
9713531 MA
Medicare enrollment
Enrolled (PECOS I20050418001215); accepts Medicare assignment
Medical or professional school
University Of Cincinnati College Of Medicine, 1987
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.
Download card Updates feed

Also registered at 1 Independence Way

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

  1. Maryalice Biondi, PTPhysical Therapist1033127790

Verify Theodor Thomas Herwig 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 72413
    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.

Is this page about you? You can ask us to correct, restrict or remove it: how.

39% more Medicare Part D claims than the average family medicine physician in 2024

4,932 Medicare Part D claims for 442 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. Brand-name drugs were 8% of claims. 141 claims were for opioids.

  1. Theodor Herwig4,932
  2. Specialty average3,544

Most prescribed

  1. Levothyroxine Sodium243 claims
  2. Atorvastatin Calcium193 claims
  3. Lisinopril177 claims
  4. Omeprazole158 claims
  5. Amlodipine Besylate149 claims
  6. Pantoprazole Sodium133 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 2 group practices

  1. Cape Cod Primary Care LLCOsterville, MA
  2. Physiotherapy Associates IncSouth Dennis, MA

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

Theodor Thomas Herwig among 2,265 family medicine physician records in Massachusetts

Theodor Thomas Herwig, 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 2006, is newer than 14% of them.

  • NPI issued2006 · 14% of these records are older, 55% newer
  • In a Medicare fileYes · 80% of these records are
  • In the CMS Doctors and Clinicians fileYes · 68% of these records are
  • Graduated1987 · median 2006 among the 1,529 with a school on file
  • Record last updated2007 · 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).

3 family medicine physician records list a practice address in Brewster

They are 3 of the 135 NPPES records with a practice address in Brewster, and 2,265 family medicine physician records in Massachusetts.

The 8 family medicine physician records with the nearest ZIP codes

  1. Scott Graham, DOBrewster, MA 026311154431609
  2. Matthew Libby, DOBrewster, MA 026311538421938
  3. Carmen Patricia Fater, M.D.Cotuit, MA 026351417915455
  4. Diane Campbell, MDHarwich, MA 026451902871262
  5. Gaurav Dang, M.D.Harwich, MA 026451386896256
  6. Evan Guthrie, M.D.Harwich, MA 026451750558474
  7. Nevine Henin, MDHarwich, MA 026451982672473
  8. Louis Hieb, DOHarwich, MA 026451023053964

Common questions

What is Theodor Thomas Herwig, MD's NPI number?

Theodor Thomas Herwig, MD's National Provider Identifier (NPI) is 1821076688, issued on Jan 3, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Theodor Thomas Herwig, MD located?

The NPPES record lists a practice address at 1 Independence Way, Brewster, MA, 02631. Phone: (508) 896-0050. Providers update this record themselves, so call before visiting.

How can I verify Theodor Thomas Herwig, MD's license?

NPPES lists Massachusetts license number 72413, 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 Theodor Thomas Herwig, MD prescribe under Medicare Part D?

In 2024, Theodor Thomas Herwig, MD had 4,932 Medicare Part D claims for 442 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.