Allison Griffin, MD
NPI 1407389422 · Internal Medicine Physician · Zephyrhills, FL
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Allison Griffin, MD is a Internal Medicine Physician provider in Zephyrhills, FL (NPI 1407389422).
Provider details
- NPI number
- 1407389422
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- No
- License
- ME179025 (FL)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
9 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
1,364 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 | 209 | $114 |
| Insertion of Needle Into Vein for Collection of Blood Sample36415 | 180 | $7 |
| Complete Blood Cell Count (red Cells, White Blood Cell, Platelets), Automated Test and Automated Differential White Blood Cell Count85025 | 150 | $8 |
| Blood Test, Comprehensive Group of Blood Chemicals80053 | 108 | $10 |
| Hemoglobin A1c Level83036 | 100 | $9 |
| Blood Test, Lipids (cholesterol and Triglycerides)80061 | 85 | $13 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 175 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 1,320 | 410 |
| Amlodipine Besylate | 1,003 | 306 |
| Gabapentin | 452 | 135 |
| Hydrocodone/Acetaminophenbrand: Hydrocodone-Acetaminophen | 426 | 86 |
| Pantoprazole Sodium | 418 | 136 |
| Losartan Potassium | 415 | 134 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$958 across 48 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
Registry dates
- Enumerated
- 2017-04-06
- Last updated
- 2026-03-11
- Certified
- 2026-03-11
Frequently asked questions
- What is Allison Griffin's NPI number?
- Allison Griffin's National Provider Identifier (NPI) is 1407389422, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Allison Griffin's specialty?
- Allison Griffin is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Allison Griffin located?
- Allison Griffin's practice location on file with NPPES is 37900 Daughtery Rd Ste 1, Zephyrhills, FL 33541-1316.
- What is Allison Griffin's phone number?
- The practice phone number listed in the NPPES registry for Allison Griffin is (813) 788-5531.
- Does Allison Griffin accept Medicare?
- Allison Griffin is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Allison Griffin's NPI active?
- Yes — Allison Griffin's NPI (1407389422) is active in the NPPES registry as of the last update on 2026-03-11.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.