What is Carol Zerfas's NPI number?

Carol Zerfas's National Provider Identifier (NPI) is 1659335412, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.

What is Carol Zerfas's specialty?

Carol Zerfas is listed in the NPPES registry with a primary specialty of Certified Registered Nurse Anesthetist (Physician Assistants & Advanced Practice Nursing Providers).

Where is Carol Zerfas located?

Carol Zerfas's practice location on file with NPPES is 640 Jackson St, St Paul, MN 55101-2502.

What is Carol Zerfas's phone number?

The practice phone number listed in the NPPES registry for Carol Zerfas is (651) 254-3456.

Is Carol Zerfas's NPI active?

Yes — Carol Zerfas's NPI (1659335412) is active in the NPPES registry as of the last update on 2019-05-16.

IndividualActive

Carol Zerfas, CRNA

NPI 1659335412 · Certified Registered Nurse Anesthetist · St Paul, MN

Carol Zerfas, CRNA is a Certified Registered Nurse Anesthetist provider in St Paul, MN (NPI 1659335412).

Provider details

NPI number: 1659335412
Entity type: Individual
Primary specialty: Certified Registered Nurse AnesthetistPhysician Assistants & Advanced Practice Nursing Providers
Credential: CRNA
Sex: Female
Sole proprietor: No
License: R0971760 (MN)

Specialties & taxonomies

Certified Registered Nurse AnesthetistPrimary367500000XLicense R0971760 (MN)
Physician Assistants & Advanced Practice Nursing Providers

Profile Score

Detailed profile(95/100 index)

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
2 documented practice locations

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

640 Jackson St

Mail Stop 11503p

St Paul, MN 55101-2502

Phone: (651) 254-3456

Fax: (651) 254-3048

Street-level locationGet directions

More MN providers

Mailing address

8100 34th St S

Bloomington, MN 55425-1672

Additional practice locations (1)

9645 Grove Cir N Ste 250
Maple Grove, MN 55369-4466
Phone: (763) 201-8191
Fax: (763) 201-8192

Enumerated: 2006-04-17
Last updated: 2019-05-16

Frequently asked questions

What is Carol Zerfas's NPI number?: Carol Zerfas's National Provider Identifier (NPI) is 1659335412, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
What is Carol Zerfas's specialty?: Carol Zerfas is listed in the NPPES registry with a primary specialty of Certified Registered Nurse Anesthetist (Physician Assistants & Advanced Practice Nursing Providers).
Where is Carol Zerfas located?: Carol Zerfas's practice location on file with NPPES is 640 Jackson St, St Paul, MN 55101-2502.
What is Carol Zerfas's phone number?: The practice phone number listed in the NPPES registry for Carol Zerfas is (651) 254-3456.
Is Carol Zerfas's NPI active?: Yes — Carol Zerfas's NPI (1659335412) is active in the NPPES registry as of the last update on 2019-05-16.

Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.