Doctor profile · Federal record
Dr. Michael Kirwin, MD
Obstetrics & Gynecology Physician · Obstetrics & Gynecology Physician · Obstetrics & Gynecology Physician · Freehold, NJ
- NPI 1548286164
- 20 yrs on file
- Licensed in 3 states
- Male
- Group practice
- No sanctions
Practice & contact
Operates at 3 locations .
- Primary practice
-
501 Ironbridge RD, Ste 10
Freehold, NJ 07728
(732) 431-2999
fax (732) 431-2993 - Additional location
-
3400 E Racine St
Janesville, WI 535462344
(608) 373-8000
fax (608) 371-8928 - Additional location
-
433 E 8Th St
Port Angeles, WA 983626219
(360) 565-0999
fax (360) 565-0591 - Mailing address
-
Po Box 22581
New York, NY 100872581
Credentials & registration
- NPI registered
- July 2006 — 20 yrs on file
- Profile last updated
- August 7, 2025
- Specialty taxonomy
- 207V00000X — NUCC code
- State licenses (3)
- New Jersey #62235 · Wisconsin #4865-320 · Washington #MD70021880
- Medicaid (2)
- NJ #7141904 · WI #1548286164
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1548286164. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
266
Distinct HCPCS
5
Medicare allowed
$16,336
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
G0101 |
Cervical or vaginal cancer screening; pelvic and clinical breast examination | 98 | 98 | $42 | |
Q0091 |
Screening papanicolaou smear; obtaining, preparing and conveyance of cervical or vaginal smear to laboratory | 81 | 81 | $47 | |
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 51 | 44 | $97 | |
99212 |
Established patient office or other outpatient visit, 10-19 minutes | 19 | 18 | $61 | |
76830 |
Ultrasound scan of uterus, ovaries, tubes, cervix and pelvic area through vagina | 17 | 15 | $133 |
In context: peer comparison
Among 9 peers in this city , average services per provider: 67. This provider delivers 4.0× the peer median.Open Payments
Industry payments received
All-time total
$18
Transactions
1
Manufacturers
1
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| Sumitomo Pharma America, Inc. | 1 | $18.36 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
118
Patients
46
Total drug cost
$6,993
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Estradiol | Generic | 39 | 13 | $5,906 |
| Triamcinolone Acetonide | Generic | 32 | 21 | $119 |
| Alendronate Sodium | Generic | 22 | 0 | $336 |
| Terconazole | Generic | 13 | 12 | $474 |
| Oxybutynin Chloride Er (Oxybutynin Chloride) | Brand | 12 | 0 | $159 |
Frequently asked questions
What is Dr. Michael Kirwin's medical specialty?
Dr. Michael Kirwin practices Obstetrics & Gynecology Physician in Freehold, NJ.
Where does Dr. Michael Kirwin practice?
Dr. Michael Kirwin practices at 501 Ironbridge RD, Freehold, NJ 07728. Office phone: 7324312999.
What is Dr. Michael Kirwin's NPI?
Dr. Michael Kirwin's National Provider Identifier (NPI) is 1548286164, issued by NPPES.
What procedures does Dr. Michael Kirwin commonly perform?
Top Medicare-reported procedures in 2023: Cervical or vaginal cancer screening; pelvic and clinical breast examination (HCPCS G0101); Screening papanicolaou smear; obtaining, preparing and conveyance of cervical or vaginal smear to laboratory (HCPCS Q0091); Established patient office or other outpatient visit (HCPCS 99213). Source: CMS Medicare Physician & Other Practitioners file.