Mary Zerlan, CRNA
NPI 1962428193 · Certified Registered Nurse Anesthetist · Saint Louis, MO
Enrolled with Medicare as Practitioner - Certified Registered Nurse Anesthetist (crna) · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Mary Zerlan, CRNA is a Certified Registered Nurse Anesthetist provider in Saint Louis, MO (NPI 1962428193).
Provider details
- NPI number
- 1962428193
- Entity type
- Individual
- Primary specialty
- Certified Registered Nurse AnesthetistPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- CRNA
- Sex
- Female
- Sole proprietor
- No
- License
- 106213 (MO)
Specialties & taxonomies
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
- 2006-07-14
- Last updated
- 2025-04-17
- Certified
- 2021-12-07
Frequently asked questions
- What is Mary Zerlan's NPI number?
- Mary Zerlan's National Provider Identifier (NPI) is 1962428193, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mary Zerlan's specialty?
- Mary Zerlan is listed in the NPPES registry with a primary specialty of Certified Registered Nurse Anesthetist (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Mary Zerlan located?
- Mary Zerlan's practice location on file with NPPES is 1 Barnes Jewish Hospital Plz, Saint Louis, MO 63110-1003.
- What is Mary Zerlan's phone number?
- The practice phone number listed in the NPPES registry for Mary Zerlan is (800) 862-9980.
- Does Mary Zerlan accept Medicare?
- Mary Zerlan is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Mary Zerlan's NPI active?
- Yes — Mary Zerlan's NPI (1962428193) is active in the NPPES registry as of the last update on 2025-04-17.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.