Sarah Hartzog, MD
NPI 1770546947 · Obstetrics & Gynecology Physician · New York, NY
Sarah Hartzog, MD is a Obstetrics & Gynecology Physician provider in New York, NY (NPI 1770546947).
Provider details
- NPI number
- 1770546947
- Entity type
- Individual
- Primary specialty
- Obstetrics & Gynecology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- No
- License
- 169506-1 (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
20 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
- 2006-04-10
- Last updated
- 2008-10-21
Frequently asked questions
- What is Sarah Hartzog's NPI number?
- Sarah Hartzog's National Provider Identifier (NPI) is 1770546947, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Sarah Hartzog's specialty?
- Sarah Hartzog is listed in the NPPES registry with a primary specialty of Obstetrics & Gynecology Physician (Allopathic & Osteopathic Physicians).
- Where is Sarah Hartzog located?
- Sarah Hartzog's practice location on file with NPPES is 245 5th Ave, New York, NY 10016-8728.
- What is Sarah Hartzog's phone number?
- The practice phone number listed in the NPPES registry for Sarah Hartzog is (646) 935-2244.
- Is Sarah Hartzog's NPI active?
- Yes — Sarah Hartzog's NPI (1770546947) is active in the NPPES registry as of the last update on 2008-10-21.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.