Marianthe Grammas, MD
NPI 1861676967 · Geriatric Medicine (Internal Medicine) Physician · Birmingham, AL
Enrolled with Medicare as Practitioner - Geriatric Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Marianthe Grammas, MD is a Geriatric Medicine (Internal Medicine) Physician provider in Birmingham, AL (NPI 1861676967).
Provider details
- NPI number
- 1861676967
- Entity type
- Individual
- Primary specialty
- Geriatric Medicine (Internal Medicine) PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- Yes
- License
- MD.32573 (AL)
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
351 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) |
|---|---|---|
| Residence Visit for Established Patient With High Level of Medical Decision Making, Per Day, If Using Time, at Least 60 Minutes99350 | 91 | $170 |
| Prolonged Home Or Residence Evaluation and Management Service(s) Beyond the Total Time for the Primary Service (when the Primary Service Has Been Selected Using Time on the Date of the Primary Service); Each Additional 15 Minutes By the Physician Or QualifG0318 | 82 | $29 |
| Residence Visit for Established Patient With Moderate Level of Medical Decision Making, Per Day, If Using Time, at Least 40 Minutes99349 | 68 | $117 |
| Trimming of Fingernails Or Toenails11719 | 33 | $12 |
| Admn Sarscov2 Vacc 1 Dose90480 | 27 | $39 |
| Administration of Influenza Virus VaccineG0008 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 105 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Gabapentin | 353 | 52 |
| Atorvastatin Calcium | 280 | 45 |
| Amlodipine Besylate | 232 | 49 |
| Trazodone Hcl | 173 | 36 |
| Pantoprazole Sodium | 162 | 31 |
| Apixabanbrand: Eliquis | 155 | 28 |
| Furosemide |
Practice location
Mailing address
Registry dates
- Enumerated
- 2007-12-26
- Last updated
- 2026-05-29
- Certified
- 2026-05-29
Frequently asked questions
- What is Marianthe Grammas's NPI number?
- Marianthe Grammas's National Provider Identifier (NPI) is 1861676967, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Marianthe Grammas's specialty?
- Marianthe Grammas is listed in the NPPES registry with a primary specialty of Geriatric Medicine (Internal Medicine) Physician (Allopathic & Osteopathic Physicians).
- Where is Marianthe Grammas located?
- Marianthe Grammas's practice location on file with NPPES is 500 22nd St S Ste 102, Birmingham, AL 35233-3110.
- What is Marianthe Grammas's phone number?
- The practice phone number listed in the NPPES registry for Marianthe Grammas is (205) 930-6700.
- Does Marianthe Grammas accept Medicare?
- Marianthe Grammas is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Marianthe Grammas's NPI active?
- Yes — Marianthe Grammas's NPI (1861676967) is active in the NPPES registry as of the last update on 2026-05-29.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.