Jeffrey Grassmann, D.O.
NPI 1750580486 · Family Medicine Physician · South Portland, ME
Enrolled with Medicare as Practitioner - Family Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Jeffrey Grassmann, D.O. is a Family Medicine Physician provider in South Portland, ME (NPI 1750580486).
Provider details
- NPI number
- 1750580486
- Entity type
- Individual
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- D.O.
- Sex
- Male
- Sole proprietor
- No
- License
- 2147 (ME)
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
18 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
333 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 | 76 | $9 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 66 | $92 |
| Blood Test, Comprehensive Group of Blood Chemicals80053 | 50 | $10 |
| Blood Test, Lipids (cholesterol and Triglycerides)80061 | 26 | $13 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 23 | $72 |
| Hemoglobin A1c Level83036 | 22 | $10 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 62 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Lisinopril | 187 | 50 |
| Atorvastatin Calcium | 182 | 51 |
| Omeprazole | 154 | 45 |
| Levothyroxine Sodium | 115 | 30 |
| Amlodipine Besylate | 89 | 24 |
| Sertraline Hcl | 86 | 17 |
| Losartan Potassium |
Practice location
Mailing address
Registry dates
- Enumerated
- 2007-07-12
- Last updated
- 2018-05-21
Frequently asked questions
- What is Jeffrey Grassmann's NPI number?
- Jeffrey Grassmann's National Provider Identifier (NPI) is 1750580486, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Jeffrey Grassmann's specialty?
- Jeffrey Grassmann is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Jeffrey Grassmann located?
- Jeffrey Grassmann's practice location on file with NPPES is 100 Foden Rd, East, South Portland, ME 04106-2327.
- What is Jeffrey Grassmann's phone number?
- The practice phone number listed in the NPPES registry for Jeffrey Grassmann is (207) 874-1489.
- Does Jeffrey Grassmann accept Medicare?
- Jeffrey Grassmann is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Jeffrey Grassmann's NPI active?
- Yes — Jeffrey Grassmann's NPI (1750580486) is active in the NPPES registry as of the last update on 2018-05-21.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.