Active NPI 1912321803 Individual Practitioner Male Practitioner

David Irving Allyn , PA-C

Physician Assistant • West Haven, CT

✓ Accepts Medicare Assignment

Professional Overview & Biography Verified Profile Summary

David Allyn, PA-C is a certified Physician Assistant practicing in West Haven, CT. With approximately 13 years of clinical experience since completing medical education in 2013, David Allyn delivers high-quality medical care to the local community at 1 CELLINI PL STE 102.

David Allyn is affiliated with Hhc Physician Services Pllc and accepts Medicare assignment.

Frequently performed procedures and clinical services include emergency department visit with moderate level of medical decision making, emergency department visit with low level of medical decision making, emergency department visit for life threatening or functioning severity. Full Medicare procedure pricing transparency rates and service volume details are listed on this profile.

Practice Location & Contact Primary Location

Practice Address

1 Cellini Pl Ste 102

West Haven, CT 065161666

Telephone 2039326481

Fax 2039324051

Associated Practice Facility / Clinic

🏢 West Haven Medical Group, Llc Facility NPI 1417955923

Medicare Profile & Education

Medical School

Other

Graduation Year

2013

Medicare Assignment

✓ Accepts Assignment

Telehealth Flag

In-Person Only

Specialty Benchmarks & Practice Insights

Comparative analytics for Physician Assistant in West Haven, CT

Established Specialist (10-20 Yrs)

Practitioner Clinical Experience

13 Yrs +3.6 yrs vs City Avg

City Avg: 9.4 Yrs

State Avg: 11.2 Yrs

Regional Practice Density

19 Specialists

Practicing in West Haven, CT (2065 Statewide)

Telehealth Adoption Rate

5.3% Regional Adoption

In-Person Office Visits Only

Medicare Pricing Discount

86.8% Avg Savings

Under CMS Medicare Fee Schedule vs Standard Submitted Charges

Clinical Seniority & Experience Comparison

Dr. Allyn (13 Years) 13 Yrs

West Haven Specialty Average (9.4 Years) 9.4 Yrs

Performed Procedures & Service Volume

Top Medicare Part B procedures performed by this practitioner

CMS Official Data (2024)

Reporting Year:

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99284 Emergency department visit with moderate level of medical decision making	164	163	$750.00	$104.74
99283 Emergency department visit with low level of medical decision making	115	114	$480.00	$61.57
99285 Emergency department visit for life threatening or functioning severity	76	75	$1169.00	$151.46

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99284 Emergency department visit with moderate level of medical decision making	137	134	$750.00	$106.18
99283 Emergency department visit with low level of medical decision making	129	128	$480.00	$63.28
99285 Emergency department visit for life threatening or functioning severity	54	53	$1169.00	$154.31
99282 Emergency department visit with straightforward medical decision making	14	13	$230.00	$36.83
12001 Repair of wound (2.5 centimeters or less) of the scalp, neck, underarms, trunk, arms and/or legs	11	11	$753.00	$39.99

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99284 Emergency department visit with moderate level of medical decision making	108	106	$750.00	$107.90
99283 Emergency department visit with low level of medical decision making	95	93	$480.00	$63.92
99285 Emergency department visit for life threatening or functioning severity	77	77	$1169.00	$156.52

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99283 Emergency department visit with low level of medical decision making	127	126	$480.00	$64.55
99284 Emergency department visit with moderate level of medical decision making	101	98	$750.00	$109.59
99285 Emergency department visit for life threatening or functioning severity	93	92	$1169.00	$159.72
12001 Repair of wound (2.5 centimeters or less) of the scalp, neck, underarms, trunk, arms and/or legs	13	13	$753.00	$38.68

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99283 Emergency department visit with low level of medical decision making	100	95	$482.20	$59.56
99284 Emergency department visit with moderate level of medical decision making	92	91	$764.13	$109.21
99285 Emergency department visit for life threatening or functioning severity	70	68	$1216.93	$158.88

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99283 Emergency department visit with low level of medical decision making	132	130	$483.06	$55.18
99284 Emergency department visit with moderate level of medical decision making	119	118	$793.41	$103.92
99285 Emergency department visit for life threatening or functioning severity	69	69	$1250.99	$153.01
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	20	20	$651.68	$70.94
99213 Established patient office or other outpatient visit, typically 15 minutes	12	12	$422.71	$46.13

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	121	120	$632.70	$70.71
99283 Emergency department visit with low level of medical decision making	74	72	$498.87	$55.48
99284 Emergency department visit with moderate level of medical decision making	64	62	$965.19	$101.94
99213 Established patient office or other outpatient visit, typically 15 minutes	61	58	$410.40	$46.20
99215 Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more	36	35	$894.90	$100.08
99285 Emergency department visit for life threatening or functioning severity	36	36	$1445.60	$147.48
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	31	31	$618.45	$69.45
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	14	14	$1045.95	$116.84

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	107	106	$583.93	$71.89
99284 Emergency department visit with moderate level of medical decision making	88	87	$904.89	$105.01
99213 Established patient office or other outpatient visit, typically 15 minutes	55	53	$383.84	$46.60
99283 Emergency department visit with low level of medical decision making	55	54	$479.66	$55.47
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	42	42	$584.84	$70.06
99215 Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more	36	35	$866.12	$99.94
99285 Emergency department visit for life threatening or functioning severity	20	20	$1345.05	$154.91

Medical Specialties & State Licenses

CMS Verified: 2025-12-04

Physician Assistant Primary Specialty

NUCC Taxonomy Code: 363A00000X

State License CT 3059

A physician assistant is a person who has successfully completed an accredited education program for physician assistant, is licensed by the state and is practicing within the scope of that license. Physician assistants are formally trained to perform many of the routine, time-consuming tasks a physician can do. In some states, they may prescribe medications. They take medical histories, perform physical exams, order lab tests and x-rays, and give inoculations. Most states require that they work under the supervision of a physician.

Hospital & Practice Group Affiliations

Hhc Physician Services Pllc

1 Cellini Pl, West Haven, CT 065161666

Phone: 2039326481

Practice Associates & Co-Workers

Healthcare professionals and specialists practicing at this location or sharing practice phone/fax

40 Associated Practitioners

Katelyn Baron , ACNP

Nurse Practitioner - Adult Health

NPI 1023755741

Sarah Connan , FNP-C

Nurse Practitioner - Family

NPI 1033009543

Family Nurse Practitioner (Certified)

Allison Altenburger , APRN, NP-C

Nurse Practitioner - Adult Health

NPI 1033503230

Advanced Practice Registered Nurse, Nurse Practitioner (Certified)

Olutoyin Adesola , APRN

Nurse Practitioner - Family

NPI 1043732746

Advanced Practice Registered Nurse

Marian Campbell-Gethers , PA-C

Physician Assistant - Medical

NPI 1053417998

Physician Assistant (Certified)

Odeth Hylton , APRN

Nurse Practitioner - Adult Health

NPI 1083125074

Advanced Practice Registered Nurse

Career & Practice History Timeline

Chronological log of verified NPI updates, location relocations, credentials, and registry changes

10 Historical Events

📍

Updated Practice Location December 04, 2025

Registered at 1 CELLINI PL STE 102, WEST HAVEN, CT 065161666 (Tel: 2039326481)

📍

Updated Business Mailing Address December 04, 2025

Registered at 1 CELLINI PL STE 102, WEST HAVEN, CT 065161666 (Tel: 2039326481)

🎓

Medical Taxonomy / Specialty Registered (Primary Specialty) December 04, 2025

Physician Assistant (License #3059 in CT)

📍

Updated Practice Location September 22, 2025

Registered at 365 MONTAUK AVE, NEW LONDON, CT 06320 (Tel: 8608854077)

✅

NPI Profile Active February 12, 2014

NPI status registered as active in NPPES database

📍

Updated Practice Location February 12, 2014

Registered at 3 OAKWOOD AVE, UNIT A25, NORWALK, CT 068501339 (Tel: 8608854077)

📍

Updated Business Mailing Address February 12, 2014

Registered at 3 OAKWOOD AVE, UNIT A25, NORWALK, CT 068501339 (Tel: 8608854077)

👤

Provider Name / Credentials Updated February 12, 2014

Recorded as DAVID ALLYN, PA-C

🎓

Medical Taxonomy / Specialty Registered (Primary Specialty) February 12, 2014

Physician Assistant

🟢

Initial NPI Registration & Enumeration February 12, 2014

First registered as active Individual Practitioner in NPPES Database.

Patient & Community Reviews

Verified patient ratings, medical care experiences, and facility photos

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NPI Administrative Meta

NPI Number: 1912321803

Entity Type:

Individual Provider Physician, Nurse Practitioner, or Solo Healthcare Professional (Type 1 NPI)

Enumeration Date: February 12, 2014

Last Update: December 04, 2025

Sole Proprietor: Yes

Update or Correct Profile

Mailing Address

1 Cellini Pl Ste 102

West Haven, CT 065161666

Phone: 2039326481

Public Domain Record This profile contains public domain information published by CMS and NPPES under the Freedom of Information Act (FOIA).

⚠️ Medical Disclaimer

This directory listing is for informational purposes only and does not constitute medical advice, diagnosis, or physician endorsement. If you are experiencing a medical emergency, please call 911 immediately.