Mary Showstark, PA C
NPI 1275635369 · Physician Assistant · New York, NY
Mary Showstark, PA C is a Physician Assistant provider in New York, NY (NPI 1275635369).
Provider details
- NPI number
- 1275635369
- Entity type
- Individual
- Primary specialty
- Physician AssistantPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- PA C
- Sex
- Female
- Sole proprietor
- No
- License
- AMD-284 (HI)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
Physician Assistants & Advanced Practice Nursing Providers
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
- 2006-09-01
- Last updated
- 2012-03-15
Frequently asked questions
- What is Mary Showstark's NPI number?
- Mary Showstark's National Provider Identifier (NPI) is 1275635369, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mary Showstark's specialty?
- Mary Showstark is listed in the NPPES registry with a primary specialty of Physician Assistant (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Mary Showstark located?
- Mary Showstark's practice location on file with NPPES is 27 W 23rd St # 33, New York, NY 10010-4202.
- What is Mary Showstark's phone number?
- The practice phone number listed in the NPPES registry for Mary Showstark is (212) 463-0400.
- Is Mary Showstark's NPI active?
- Yes — Mary Showstark's NPI (1275635369) is active in the NPPES registry as of the last update on 2012-03-15.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.