Maria Letwak, APRN-BC, RN
NPI 1457451106 · Adult Health Nurse Practitioner · Warren, MI
Maria Letwak, APRN-BC, RN is a Adult Health Nurse Practitioner provider in Warren, MI (NPI 1457451106).
Provider details
- NPI number
- 1457451106
- Entity type
- Individual
- Primary specialty
- Adult Health Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- APRN-BC, RN
- Sex
- Female
- Sole proprietor
- Yes
- License
- 4704140574 (MI)
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
- 2006-09-23
- Last updated
- 2007-07-08
Frequently asked questions
- What is Maria Letwak's NPI number?
- Maria Letwak's National Provider Identifier (NPI) is 1457451106, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Maria Letwak's specialty?
- Maria Letwak is listed in the NPPES registry with a primary specialty of Adult Health Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Maria Letwak located?
- Maria Letwak's practice location on file with NPPES is 11800 E 12 Mile Rd, Warren, MI 48093-3472.
- What is Maria Letwak's phone number?
- The practice phone number listed in the NPPES registry for Maria Letwak is (586) 573-5072.
- Is Maria Letwak's NPI active?
- Yes — Maria Letwak's NPI (1457451106) is active in the NPPES registry as of the last update on 2007-07-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.