John Cosgrove, MD
NPI 1104997592 · Surgery Physician · Greenport, NY
Enrolled with Medicare as Practitioner - General Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
John Cosgrove, MD is a Surgery Physician provider in Greenport, NY (NPI 1104997592).
Provider details
- NPI number
- 1104997592
- Entity type
- Individual
- Primary specialty
- Surgery PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 159468 (NY)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
19 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
108 Medicare services, 2024 (ranked within specialty)
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 methodology.
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) |
|---|---|---|
| Subsequent Hospital Care With Straightforward Or Low Level of Medical Decision Making, Per Day, If Using Time, at Least 25 Minutes99231 | 30 | $57 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 27 | $106 |
| Initial Hospital Care With Straightforward Or Low-Level Medical Decision Making, If Using Time, at Least 55 Minutes99222 | 27 | $149 |
| New Patient Office Or Other Outpatient Visit With Low Level of Medical Decision Making, If Using Time, 30 Minutes Or More99203 | 12 | $130 |
| Emergency Department Visit With Low Level of Medical Decision Making99283 | 12 | $81 |
Typical Medicare-allowed amounts for these services range $57–$149 (2024). The Medicare-allowed amount is what Medicare recognizes for a service under fee-for-service — a reference figure for 2024, 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.
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-11-10
- Last updated
- 2016-04-01
Frequently asked questions
- What is John Cosgrove's NPI number?
- John Cosgrove's National Provider Identifier (NPI) is 1104997592, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is John Cosgrove's specialty?
- John Cosgrove is listed in the NPPES registry with a primary specialty of Surgery Physician (Allopathic & Osteopathic Physicians).
- Where is John Cosgrove located?
- John Cosgrove's practice location on file with NPPES is 201 Manor Pl, Greenport, NY 11944-1222.
- What is John Cosgrove's phone number?
- The practice phone number listed in the NPPES registry for John Cosgrove is (631) 477-5386.
- Does John Cosgrove accept Medicare?
- John Cosgrove is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is John Cosgrove's NPI active?
- Yes — John Cosgrove's NPI (1104997592) is active in the NPPES registry as of the last update on 2016-04-01.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.