Katrin Sadigh, M.D.
NPI 1770928681 · Internal Medicine Physician · Harwich, MA
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Katrin Sadigh, M.D. is a Internal Medicine Physician provider in Harwich, MA (NPI 1770928681).
Provider details
- NPI number
- 1770928681
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Female
- Sole proprietor
- Yes
- License
- 277713 (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
13 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
191 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) |
|---|---|---|
| Insertion of Needle Into Vein for Collection of Blood Sample36415 | 21 | $7 |
| Blood Test, Basic Group of Blood Chemicals (calcium, Total)80048 | 21 | $8 |
| Albumin (protein) Level82040 | 20 | $5 |
| Bilirubin Level, Total82247 | 20 | $5 |
| Phosphatase (enzyme) Level, Alkaline84075 | 20 | $5 |
| Liver Enzyme (sgot), Level84450 | 20 | $5 |
| Liver Enzyme (sgpt), Level84460 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 50 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 171 | 91 |
| Levothyroxine Sodium | 121 | 58 |
| Lisinopril | 115 | 59 |
| Amlodipine Besylate | 90 | 56 |
| Omeprazole | 85 | 45 |
| Rosuvastatin Calcium | 82 | 46 |
| Gabapentin |
Practice location
Mailing address
Registry dates
- Enumerated
- 2013-05-06
- Last updated
- 2019-12-18
- Certified
- 2019-12-18
Frequently asked questions
- What is Katrin Sadigh's NPI number?
- Katrin Sadigh's National Provider Identifier (NPI) is 1770928681, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Katrin Sadigh's specialty?
- Katrin Sadigh is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Katrin Sadigh located?
- Katrin Sadigh's practice location on file with NPPES is 525 Long Pond Dr, Harwich, MA 02645-1227.
- What is Katrin Sadigh's phone number?
- The practice phone number listed in the NPPES registry for Katrin Sadigh is (508) 430-3322.
- Does Katrin Sadigh accept Medicare?
- Katrin Sadigh is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Katrin Sadigh's NPI active?
- Yes — Katrin Sadigh's NPI (1770928681) is active in the NPPES registry as of the last update on 2019-12-18.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.