Margaret Grifa, M.D.
NPI 1003020041 · Family Medicine Physician · Gainesville, GA
Enrolled with Medicare as Practitioner - Family Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Margaret Grifa, M.D. is a Family Medicine Physician provider in Gainesville, GA (NPI 1003020041).
Provider details
- NPI number
- 1003020041
- Entity type
- Individual
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Female
- Sole proprietor
- No
- License
- 252874 (NY)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
19 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
2 documented practice locations
- Medicare service volume (vs. specialty peers)25% of score
948 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
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 .
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) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 269 | $119 |
| 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 | 158 | $16 |
| Insertion of Needle Into Vein for Collection of Blood Sample36415 | 148 | $9 |
| Annual Wellness Visit, Includes a Personalized Prevention Plan of Service (pps), Subsequent VisitG0439 | 100 | $121 |
| Injection of Drug Or Substance Under Skin Or Into Muscle96372 | 69 | $13 |
| Automated Urinalysis Test81003 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 75 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 91 | 35 |
| Levothyroxine Sodium | 82 | 34 |
| Rosuvastatin Calcium | 80 | 33 |
| Losartan Potassium | 76 | 26 |
| Alprazolam | 69 | 17 |
| Amlodipine Besylate | 65 | 24 |
| Zolpidem Tartrate |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$679 across 32 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Additional practice locations (1)
- 1100 Long Pond RdSuite 250Rochester, NY 14626-1177Phone: (585) 368-4350Fax: (585) 227-7324
Registry dates
- Enumerated
- 2007-05-09
- Last updated
- 2023-01-18
- Certified
- 2023-01-18
Frequently asked questions
- What is Margaret Grifa's NPI number?
- Margaret Grifa's National Provider Identifier (NPI) is 1003020041, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Margaret Grifa's specialty?
- Margaret Grifa is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Margaret Grifa located?
- Margaret Grifa's practice location on file with NPPES is 1285 Sims St, Gainesville, GA 30501-3851.
- What is Margaret Grifa's phone number?
- The practice phone number listed in the NPPES registry for Margaret Grifa is (770) 219-8583.
- Does Margaret Grifa accept Medicare?
- Margaret Grifa is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Margaret Grifa's NPI active?
- Yes — Margaret Grifa's NPI (1003020041) is active in the NPPES registry as of the last update on 2023-01-18.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.