Gerald Karnow, M.D.
NPI 1124131578 · General Practice Physician · Spring Valley, NY
Enrolled with Medicare as Practitioner - General Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Gerald Karnow, M.D. is a General Practice Physician provider in Spring Valley, NY (NPI 1124131578).
Provider details
- NPI number
- 1124131578
- Entity type
- Individual
- Primary specialty
- General Practice PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- 128601 (NY)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
19 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
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.
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-08-17
- Last updated
- 2018-06-20
Frequently asked questions
- What is Gerald Karnow's NPI number?
- Gerald Karnow's National Provider Identifier (NPI) is 1124131578, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Gerald Karnow's specialty?
- Gerald Karnow is listed in the NPPES registry with a primary specialty of General Practice Physician (Allopathic & Osteopathic Physicians).
- Where is Gerald Karnow located?
- Gerald Karnow's practice location on file with NPPES is 241 Hungry Hollow Rd, Spring Valley, NY 10977-6111.
- What is Gerald Karnow's phone number?
- The practice phone number listed in the NPPES registry for Gerald Karnow is (845) 356-8494.
- Does Gerald Karnow accept Medicare?
- Gerald Karnow is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Gerald Karnow's NPI active?
- Yes — Gerald Karnow's NPI (1124131578) is active in the NPPES registry as of the last update on 2018-06-20.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.