Mary Tomak, APN NNP-BC
NPI 1023380680 · Neonatal Nurse Practitioner · Chicago, IL
Mary Tomak, APN NNP-BC is a Neonatal Nurse Practitioner provider in Chicago, IL (NPI 1023380680).
Provider details
- NPI number
- 1023380680
- Entity type
- Individual
- Primary specialty
- Neonatal Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- APN NNP-BC
- Sex
- Female
- Sole proprietor
- No
- License
- 209010159 (IL)
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
14 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
- 2012-01-29
- Last updated
- 2017-04-28
Frequently asked questions
- What is Mary Tomak's NPI number?
- Mary Tomak's National Provider Identifier (NPI) is 1023380680, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mary Tomak's specialty?
- Mary Tomak is listed in the NPPES registry with a primary specialty of Neonatal Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Mary Tomak located?
- Mary Tomak's practice location on file with NPPES is 225 E Chicago Ave, Chicago, IL 60611-2991.
- What is Mary Tomak's phone number?
- The practice phone number listed in the NPPES registry for Mary Tomak is (312) 227-4000.
- Is Mary Tomak's NPI active?
- Yes — Mary Tomak's NPI (1023380680) is active in the NPPES registry as of the last update on 2017-04-28.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.