David Griffin, PA-C
NPI 1124537329 · Physician Assistant · Hamden, CT
Enrolled with Medicare as Practitioner - Physician Assistant · source: CMS PECOS Public Provider Enrollment (2026.04.01)
David Griffin, PA-C is a Physician Assistant provider in Hamden, CT (NPI 1124537329).
Provider details
- NPI number
- 1124537329
- Entity type
- Individual
- Primary specialty
- Physician AssistantPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- PA-C
- Sex
- Male
- Sole proprietor
- No
- License
- 003957 (CT)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
8 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
221 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 Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 107 | $83 |
| New Patient Office Or Other Outpatient Visit With Low Level of Medical Decision Making, If Using Time, 30 Minutes Or More99203 | 50 | $102 |
| New Patient Office Or Other Outpatient Visit With Straightforward Medical Decision Making, If Using Time, 15 Minutes Or More99202 | 45 | $66 |
| Established Patient Office Or Other Outpatient Visit With Straightforward Medical Decision Making, If Using Time, 10 Minutes Or More99212 | 19 | $50 |
Typical Medicare-allowed amounts for these services range $50–$102 (2024). The Medicare-allowed amount is what Medicare recognizes for a service under fee-for-service — a reference figure for 2024, not a price quote and not what you would be billed. Medicare Part B covers roughly an eighth of all NPIs (65+ skew); services with fewer than 11 beneficiaries are suppressed by CMS. Source: CMS Medicare Physician & Other Practitioners, by Provider & Service.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 20 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Sodium, Potassium,mag Sulfatesbrand: Sod Sulf-Potass Sulf-Mag Sulf | 236 | 230 |
| Omeprazole | 233 | 103 |
| Pantoprazole Sodium | 207 | 84 |
| Famotidine | 184 | 65 |
| Linaclotidebrand: Linzess | 115 | 47 |
| Dexlansoprazolebrand: Dexlansoprazole Dr | 84 | 33 |
| Dicyclomine Hcl | 61 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$1,412 across 74 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
- 2017-09-20
- Last updated
- 2021-05-27
- Certified
- 2021-05-27
Frequently asked questions
- What is David Griffin's NPI number?
- David Griffin's National Provider Identifier (NPI) is 1124537329, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is David Griffin's specialty?
- David Griffin is listed in the NPPES registry with a primary specialty of Physician Assistant (Physician Assistants & Advanced Practice Nursing Providers).
- Where is David Griffin located?
- David Griffin's practice location on file with NPPES is 2200 Whitney Ave Ste 360, Hamden, CT 06518.
- What is David Griffin's phone number?
- The practice phone number listed in the NPPES registry for David Griffin is (203) 281-4463.
- Does David Griffin accept Medicare?
- David Griffin is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is David Griffin's NPI active?
- Yes — David Griffin's NPI (1124537329) is active in the NPPES registry as of the last update on 2021-05-27.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.