Theodor Herwig, MD
NPI 1821076688 · Family Medicine Physician · Brewster, MA
Enrolled with Medicare as Practitioner - Family Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Theodor Herwig, MD is a Family Medicine Physician provider in Brewster, MA (NPI 1821076688).
Provider details
- NPI number
- 1821076688
- Entity type
- Individual
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- Yes
- License
- 72413 (MA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
20 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
2,382 Medicare services, 2024 (ranked within specialty)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Visit Complexity Inherent to Evaluation and Management Associated With Medical Care Services That Serve As the Continuing Focal Point for All Needed Health Care Services And/Or With Medical Care Services That Are Part of Ongoing Care Related to a Patient'SG2211 | 583 | $16 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 544 | $130 |
| Annual Alcohol Misuse Screening, 5 to 15 MinutesG0442 | 232 | $19 |
| Annual Wellness Visit, Includes a Personalized Prevention Plan of Service (pps), Subsequent VisitG0439 | 223 | $131 |
| Annual Depression Screening, 5 to 15 MinutesG0444 | 217 | $19 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 92 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Levothyroxine Sodium | 243 | 55 |
| Atorvastatin Calcium | 193 | 57 |
| Lisinopril | 177 | 47 |
| Omeprazole | 158 | 44 |
| Amlodipine Besylate | 149 | 37 |
| Pantoprazole Sodium | 133 | 35 |
| Lorazepam |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-01-03
- Last updated
- 2007-07-08
Frequently asked questions
- What is Theodor Herwig's NPI number?
- Theodor Herwig's National Provider Identifier (NPI) is 1821076688, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Theodor Herwig's specialty?
- Theodor Herwig is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Theodor Herwig located?
- Theodor Herwig's practice location on file with NPPES is 1 Independence Way, Brewster, MA 02631.
- What is Theodor Herwig's phone number?
- The practice phone number listed in the NPPES registry for Theodor Herwig is (508) 896-0050.
- Does Theodor Herwig accept Medicare?
- Theodor Herwig is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Theodor Herwig's NPI active?
- Yes — Theodor Herwig's NPI (1821076688) is active in the NPPES registry as of the last update on 2007-07-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.