Julian Mierlak, MD, MS
NPI 1538126347 · Obstetrics & Gynecology Physician · New York, NY
Julian Mierlak, MD, MS is a Obstetrics & Gynecology Physician provider in New York, NY (NPI 1538126347).
Provider details
- NPI number
- 1538126347
- Entity type
- Individual
- Primary specialty
- Obstetrics & Gynecology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD, MS
- Sex
- Male
- Sole proprietor
- No
- License
- 138709 (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
- 2006-04-26
- Last updated
- 2010-10-18
Frequently asked questions
- What is Julian Mierlak's NPI number?
- Julian Mierlak's National Provider Identifier (NPI) is 1538126347, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Julian Mierlak's specialty?
- Julian Mierlak is listed in the NPPES registry with a primary specialty of Obstetrics & Gynecology Physician (Allopathic & Osteopathic Physicians).
- Where is Julian Mierlak located?
- Julian Mierlak's practice location on file with NPPES is 550 First Ave, New York, NY 10016-1101.
- What is Julian Mierlak's phone number?
- The practice phone number listed in the NPPES registry for Julian Mierlak is (212) 263-5143.
- Is Julian Mierlak's NPI active?
- Yes — Julian Mierlak's NPI (1538126347) is active in the NPPES registry as of the last update on 2010-10-18.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.