David Irving Allyn, PA-C
- Medicare services, 2024
- 355
- Medicare patients, 2024
- 347
- Part D claims, 2024
- 527
- Hospital affiliations
- 2
- Medical groups
- 4
- 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 Allyn's professional email, personal email and mobile number
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David Irving Allyn is a physician assistant in Hamden, Connecticut
David Allyn practices at Endoscopy Center of Connecticut in Hamden, Connecticut.
David Allyn's NPI, 1912321803, was assigned on February 12, 2014.
- NPI
- 1912321803NPI Registry (opens in a new tab)
- Medicare PAC ID
- 5890918114
- NPI enumeration date
- February 12, 2014
- 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
- 39
- Medical school graduation
- 2013
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
David Irving Allyn practices at Endoscopy Center of Connecticut in Hamden, Connecticut
David Allyn'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 Irving Allyn is affiliated with 4 sites of care and 4 medical groups
David Allyn's primary practice is Endoscopy Center of Connecticut in Hamden, Connecticut. David Allyn is also affiliated with Griffin Hospital. The medical group on file is Physicians Alliance of Connecticut (PACT). Dmand AI also links David Allyn to 1 more hospital, 3 medical groups and 1 group practice or clinic, 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 Irving Allyn's practice
Dmand AI tracks the electronic health record (EHR) system at each site where David Allyn practices, 4 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 |
| +3 more sites and 3 medical groups | Available with a free account |
Source: Dmand AI Technology Install Data
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David Irving Allyn is one of 1,682 physician assistants in Connecticut
Physician assistant is David Allyn's primary specialty in the NPI Registry, under taxonomy code 363A00000X. David Allyn is board certified in certified physician assistant by the National Commission on Certification of Physician Assistants (NCCPA). David Allyn has a license on file in Connecticut.
Specialties and state licenses
- Physician assistant, Connecticut
Physician assistants near David Allyn
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 Irving Allyn billed Medicare for 355 services in 2024
CMS data shows 355 Medicare services from David Allyn across 3 procedure codes in 2024, for 347 Medicare patients. Medicare paid $25,022 for them. Every service was in a facility, such as a hospital, rather than an office.
David Allyn compared with the Connecticut median for physician assistants, 2024
- David Allyn
- Connecticut median
- Medicare services
- 355vs 28624% above
- Medicare patients
- 347vs 1003.5 times
- Part D claims
- 338vs 29315% above
Medians across 1,046 physician assistants in Connecticut with Dmand AI profiles that report each measure.
David Allyn's most billed Medicare procedure codes, 2024
CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.
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Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
David Irving Allyn treated 347 Medicare patients in 2024, average age 73
CMS counts 347 Medicare patients who saw David Allyn in 2024. The largest group is 75 to 84, with 119 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 38% are also on Medicaid. Their average risk score is 1.69, 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 Allyn's median patient age at 67, with 59% women.
David Allyn's Medicare patients by age, 2024
David Allyn's Medicare patients by sex, 2024
- Women19957%
- Men14843%
Chronic conditions among David Allyn's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Arthritis55%
- Anxiety40%
- Mood disorders39%
- Depression35%
- Diabetes32%
- Atrial fibrillation28%
Share of Medicare patients with each condition. A patient can have several.
David Allyn's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 67
Patient panel by sex, all payers
- Women59%
- Men41%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
David Irving Allyn wrote 527 Medicare Part D claims in 2024
In 2024, David Allyn wrote 527 Medicare Part D claims for 345 patients. 96% of them were for generic drugs. CMS names the drug for 338 of them, across 14 drugs with 11 or more claims each, at $1,985 in total drug cost.
David Allyn's Part D claims by kind of drug, 2024
- Generic505 claims96%
- Brand-name and other22 claims4%
David Allyn's most prescribed drugs by claims, 2024
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
Drug classes CMS tracks in David Allyn's Part D claims, 2024
- Opioids15%80 of 527 claims
- Antibiotics28%147 of 527 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
Sources: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026; and Medicare Part D Prescribers - by Provider (CMS), 2024 data
How David Irving Allyn takes part in Medicare
David Allyn accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
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David Irving Allyn is board certified in certified physician assistant
David Allyn is a member of AAPA.
- Board certified in certified physician assistant
Source: Dmand AI Professional Profile Data
Sources for David Irving Allyn'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 services and procedure codes | Medicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab) |
| State medians for the same specialty | Dmand AI Peer Benchmarks |
| 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 and Drug (CMS) (opens in a new tab)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) |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| 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 Irving Allyn
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What is David Irving Allyn's NPI number?
David Irving Allyn's NPI number is 1912321803. It was assigned on February 12, 2014, and it is active in the NPI Registry.
What does David Irving Allyn specialize in?
David Irving Allyn is a physician assistant in Hamden, Connecticut. The primary specialty in the NPI Registry is Physician Assistant (taxonomy code 363A00000X).
Where does David Irving Allyn practice?
David Allyn practices at 2200 Whitney Avenue, Suite 380, Hamden, CT 06518. David Allyn's primary practice is Endoscopy Center of Connecticut in Hamden, Connecticut. Dmand AI also links David Allyn to 1 hospital, 3 medical groups and 1 group practice or clinic.
What is David Irving Allyn's office phone number?
The practice phone on file for David Allyn is (203) 281-3636.
Which hospitals is David Irving Allyn affiliated with?
David Allyn is affiliated with Griffin Hospital. Dmand AI links David Allyn to 1 more hospital.
What medical group is David Irving Allyn part of?
David Allyn is linked to Physicians Alliance of Connecticut (PACT). Dmand AI links David Allyn to 3 more medical groups.
Does David Irving Allyn accept Medicare?
Yes. CMS data shows David Allyn billed Medicare for 355 services in 2024, and David Allyn accepts Medicare assignment.
How many Medicare patients does David Irving Allyn see?
CMS counts 347 Medicare patients who saw David Allyn in 2024, with an average age of 73.
Is David Irving Allyn board certified?
Yes. David Allyn is board certified in certified physician assistant by the National Commission on Certification of Physician Assistants (NCCPA).
What services does David Irving Allyn bill to Medicare?
In 2024, David Allyn's most billed Medicare services were emergency department visit (99284), emergency department visit (99283) and emergency department visit (99285).
What drugs does David Irving Allyn prescribe most?
In 2024 Medicare Part D data, David Allyn's most prescribed drugs by claims were Prednisone, Oxycodone-Acetaminophen and Cephalexin.
How long has David Irving Allyn been practicing?
David Allyn graduated from medical school in 2013, 13 years ago.
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