Maryann Schwartz, CNP
Nurse Practitioner · Detroit, MI
Maryann Schwartz, CNP is a nurse practitioner with a practice address in Detroit, Michigan, and NPI 1821117631, issued on Mar 29, 2007. Check the license (Michigan A0405120, as entered in NPPES) with the Michigan board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Maryann Schwartz
- Credential
- CNP
- Primary taxonomy
- Nurse Practitioner 363L00000X
- License number
- A0405120 MI
Self-reported in NPPES; status is on the state search - Practice location
- 4100 John R St, Detroit, MI 48201
- Phone
- (800) 527-6266
- Enumerated
- Mar 29, 2007
- Record last updated
- Apr 11, 2017 (not updated in 9 years: call before relying on the address or phone)
- Fax
- (313) 576-8381
- Medicare enrollment
- Enrolled (PECOS I20081113000762); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest nurse practitioner records → All 3,574 in Michigan → Look up another NPI →
Also registered at 4100 John R St
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Maryann Schwartz in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Michigan board licenses this profession
Search for license A0405120Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
64% fewer Medicare Part D claims than the average nurse practitioner in 2024
396 Medicare Part D claims for 95 beneficiaries, against an average of 1,109 among the 54,319 providers of this specialty who prescribed in Part D. 22 claims were for opioids.
Most prescribed
- Tagrisso38 claims
- Alecensa28 claims
- Anastrozole21 claims
- Eliquis21 claims
- Prochlorperazine Maleate20 claims
- Famotidine19 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Bills Medicare through 2 group practices
- Barbara Ann Karmanos Cancer InstituteDetroit, MI
- University Physician GroupDetroit, MI
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Maryann Schwartz among 3,574 nurse practitioner records in Michigan
Maryann Schwartz, CNP is one of 3,574 nurse practitioner records with a practice address in Michigan. 71% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2007, is newer than 16% of them.
- NPI issued2007 · 16% of these records are older, 78% newer
- In a Medicare fileYes · 71% of these records are
- In the CMS Doctors and Clinicians fileYes · 56% of these records are
- Graduated1996 · median 2017 among the 1,983 with a school on file
- Record last updated2017 · 52% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363L00000X and a Michigan practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Nurse Practitioner providers in Michigan
There are 3,574 nurse practitioner records in Michigan.
All 3,574 in Michigan → Every provider in Detroit → Nurse Practitioner nationwide →
The 8 nurse practitioner records with the nearest ZIP codes
- Karen Braniff, NPDetroit, MI 482011750315370
- Margaret Campbell, PHD, RNDetroit, MI 482011265460323
- Jane Dean, MSN,NPDetroit, MI 482011538116520
- Deborah Guziatek-Karwan, CNPDetroit, MI 482011811937360
- Kimberly Hayes-Hart, NPDetroit, MI 482011265545727
- Lisa Lange, CNPDetroit, MI 482011497792485
- Mary Lepczyk, CNPDetroit, MI 482011689611675
- Cynthia Marsack, CNPDetroit, MI 482011518966316
Common questions
What is Maryann Schwartz, CNP's NPI number?
Maryann Schwartz, CNP's National Provider Identifier (NPI) is 1821117631, issued on Mar 29, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Maryann Schwartz, CNP located?
The NPPES record lists a practice address at 4100 John R St, Detroit, MI, 48201. Phone: (800) 527-6266. Providers update this record themselves, so call before visiting.
How can I verify Maryann Schwartz, CNP's license?
NPPES lists Michigan license number A0405120, as entered by the provider. Search the Michigan board that licenses this profession; the NPPES record confirms identity only.
How much does Maryann Schwartz, CNP prescribe under Medicare Part D?
In 2024, Maryann Schwartz, CNP had 396 Medicare Part D claims for 95 beneficiaries; the average among nurse practitioner prescribers was 1,109. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.