David James Griffin, PA-C
- Medicare patients, 2024
- 201
- Part D claims, 2024
- 1,662
- MIPS score, 2024
- 95
- Hospital affiliations
- 2
- Industry payments
- $895
- Practice address
- 2200 Whitney Avenue, Suite 380, Hamden, CT 06518
- Practice phone
- Call (203) 281-3636
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Endoscopy Center of Connecticut
Surgery Center - Medicare-Certified · Hamden, Connecticut
Find David Griffin's professional email, personal email and mobile number
Dmand AI checks each channel through healthcare-specific waterfall enrichment. See what is on file with a free account, with practice phones, licenses and affiliations.
David James Griffin is a physician assistant in Hamden, Connecticut
David Griffin practices at Endoscopy Center of Connecticut in Hamden, Connecticut.
David Griffin's NPI, 1124537329, was assigned on September 20, 2017. David Griffin holds Connecticut license 003957.
- NPI
- 1124537329NPI Registry (opens in a new tab)
- Medicare PAC ID
- 2466716014
- NPI enumeration date
- September 20, 2017
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (203) 281-3636
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 35
- Medical school graduation
- 2017
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
David James Griffin practices at Endoscopy Center of Connecticut in Hamden, Connecticut
David Griffin's primary practice is Endoscopy Center of Connecticut, at 2200 Whitney Avenue, Suite 380, Hamden, CT 06518. The practice phone is (203) 281-3636.
- Endoscopy Center of Connecticut2200 Whitney Avenue, Suite 380, Hamden, CT 06518Phone(203) 281-3636
Source: Dmand AI Affiliation Data
David James Griffin is affiliated with 5 sites of care and 2 medical groups
David Griffin's primary practice is Endoscopy Center of Connecticut in Hamden, Connecticut. David Griffin is also affiliated with Yale New Haven Hospital. The medical group on file is Rehabilitation Associates, Inc. Dmand AI also links David Griffin to 1 more hospital, 2 group practices and clinics and 1 medical group, each named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at David James Griffin's practice
Dmand AI tracks the electronic health record (EHR) system at each site where David Griffin practices, 5 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Endoscopy Center of Connecticut | Available with a free account |
| +4 more sites and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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David James Griffin is one of 1,682 physician assistants in Connecticut
Physician assistant is David Griffin's primary specialty in the NPI Registry, under taxonomy code 363A00000X. David Griffin is licensed in Connecticut.
Specialties and state licenses
- Physician assistant, ConnecticutPrimary
Physician assistants near David Griffin
Counts of physician assistants with a Dmand AI profile, by place and practice. Each opens the list.
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
David James Griffin treated 201 Medicare patients in 2024, average age 72
CMS counts 201 Medicare patients who saw David Griffin in 2024. The largest group is 65 to 74, with 98 patients. 75% of them have high cholesterol, and 73% have high blood pressure. 29% are also on Medicaid. Their average risk score is 1.58, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.
Across all payers, Dmand AI patient panel data puts David Griffin's median patient age at 61, with 53% women.
David Griffin's Medicare patients by age, 2024
David Griffin's Medicare patients by sex, 2024
- Women9547%
- Men10653%
Chronic conditions among David Griffin's Medicare patients, 2024
- High cholesterol75%
- High blood pressure73%
- Arthritis42%
- Anxiety37%
- Diabetes31%
- Mood disorders31%
- Ischemic heart disease30%
- Depression28%
Share of Medicare patients with each condition. A patient can have several.
David Griffin's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 61
Patient panel by sex, all payers
- Women53%
- Men46%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
David James Griffin wrote 1,662 Medicare Part D claims in 2024
In 2024, David Griffin wrote 1,662 Medicare Part D claims for 714 patients. 78% of them were for generic drugs.
David Griffin's Part D claims by kind of drug, 2024
- Generic1,289 claims78%
- Brand-name373 claims22%
Drug classes CMS tracks in David Griffin's Part D claims, 2024
- Antibiotics3%51 of 1,662 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
Source: Medicare Part D Prescribers - by Provider (CMS), 2024 data
David James Griffin scored 95 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 95 out of 100 for David Griffin for performance year 2024, reported as part of a group. David Griffin accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
David Griffin's MIPS scores, performance year 2024
- 95of 100Final score
- 83.7of 100Quality
- 100of 100Promoting Interoperability
- 40of 100Improvement Activities
- 73of 100Cost
Each score is out of 100. The final score weighs the categories CMS scored for this clinician.
Sources: Doctors and Clinicians National Downloadable File (CMS); and Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026
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David James Griffin received $895 in industry payments in 2025
CMS Open Payments shows 43 general payments to David Griffin from 12 drug and device companies in 2025. Food and beverage make up the largest share, 100% of the total. Abbvie Inc. paid the most, $320.
Companies that paid David Griffin the most, 2025 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for David James Griffin's profile data
| Data on this page | Source |
|---|---|
| NPI, name, sex, specialty and licenses | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data |
| Practice locations and phone | Dmand AI Affiliation Data |
| Primary practice, affiliations and health system | Dmand AI Affiliation DataDmand AI Org Hierarchy Data |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab) |
| Part D prescribing | Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab) |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Clinician Public Reporting: Overall MIPS Performance (CMS) (opens in a new tab) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| EHR at each practice site | Dmand AI Technology Install Data |
| Similar physicians | Dmand AI Affiliation Data |
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about David James Griffin
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is David James Griffin's NPI number?
David James Griffin's NPI number is 1124537329. It was assigned on September 20, 2017, and it is active in the NPI Registry.
What does David James Griffin specialize in?
David James Griffin is a physician assistant in Hamden, Connecticut. The primary specialty in the NPI Registry is Physician Assistant (taxonomy code 363A00000X).
Where does David James Griffin practice?
David Griffin practices at 2200 Whitney Avenue, Suite 380, Hamden, CT 06518. David Griffin's primary practice is Endoscopy Center of Connecticut in Hamden, Connecticut. Dmand AI also links David Griffin to 1 hospital, 2 group practices and clinics and 1 medical group.
What is David James Griffin's office phone number?
The practice phone on file for David Griffin is (203) 281-3636.
What is David James Griffin's medical license number?
David Griffin holds Connecticut license 003957.
Which hospitals is David James Griffin affiliated with?
David Griffin is affiliated with Yale New Haven Hospital. Dmand AI links David Griffin to 1 more hospital.
What medical group is David James Griffin part of?
David Griffin is linked to Rehabilitation Associates, Inc. Dmand AI links David Griffin to 1 more medical group.
Does David James Griffin accept Medicare?
Yes. CMS lists David Griffin as accepting Medicare assignment.
What is David James Griffin's MIPS score?
David Griffin's MIPS final score for performance year 2024 is 95 out of 100, reported as part of a group.
How many Medicare patients does David James Griffin see?
CMS counts 201 Medicare patients who saw David Griffin in 2024, with an average age of 72.
Has David James Griffin received payments from drug or device companies?
CMS Open Payments shows $895 in general payments to David Griffin from 12 companies from 2025 to 2025. The largest total came from Abbvie Inc.
How long has David James Griffin been practicing?
David Griffin graduated from medical school in 2017, 9 years ago.
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