MRS. MARY B MAES NP
NPI 1831554229
Nurse Practitioner - Acute Care in Ypsilanti, MI

Q: What is Mary Maes's NPI number?

The NPI number for Mary Maes is 1831554229. It was assigned to this individual provider in the NPPES registry on December 29, 2015.

Q: What is Mary Maes's specialty?

The primary specialty registered for this NPI is Nurse Practitioner, specializing in Acute Care, with taxonomy code 363LA2100X.

Q: When was this NPI record last updated?

The NPPES record for Mary Maes was last updated on December 29, 2015. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 10 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.

Active since December 29, 2015PECOS Enrolled

5301 E HURON RIVER DR, SUITE 2199, YPSILANTI, MI 48197(877) 336-6307 Get Directions Write a Review

NPPES record last updated: December 29, 2015. Verified against the NPPES registry weekly; last sync: November 01, 2026.

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About Mrs. Mary B Maes Np NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

MRS. MARY B MAES NP (NPI 1831554229) is an individual acute care provider in Ypsilanti, Michigan, licensed in Michigan (4704172920) and active in the NPI registry since December 2015. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1831554229

Entity TypeIndividualFemale

Primary Taxonomy363LA2100X

Provider Legal NameMRS. MARY B MAESCredential: NP

Location Address5301 E HURON RIVER DR, SUITE 2199Ypsilanti, MI 48197-1051

Mailing Address1004 Sherman StYpsilanti, MI 48197-4627 · (734) 482-2763

Phone(877) 336-6307

Sole ProprietorNo

Enumeration DateDecember 29, 2015

✔ NPI 1831554229 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyNurse Practitioner · Acute CarePhysician Assistants & Advanced Practice Nursing Providers

Taxonomy Code363LA2100X

License✔ Licensed in MI · 4704172920

5301 E HURON RIVER DR, Ypsilanti, MI 48197

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Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Priority Health.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Mrs. Mary B Maes Np is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Billing Reassignment

Medicare enrollment records show Mary Maes reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Iha Health Services Corporation

Same address

Geriatric Medicine

5301 E HURON RIVER DR, 10TH FLOOR
Ypsilanti, MI 48197

Reassigned Medicare billing, Michigan enrollment
1,480 clinicians in this Medicare group

NPI 1407292964 (734) 747-6766

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Areas of Expertise CMS Part B claims 4

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 99223

Initial hospital inpatient care per day, typically 70 minutes, refers to the daily medical service provided to patients admitted to the hospital. This includes a comprehensive evaluation, diagnosis, treatment plan, and monitoring of your health condition. It ensures your well-being during your hospital stay.

72 services70 patients

Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 99233

Follow-up hospital inpatient care per day typically involves a 35-minute check-up by your healthcare provider. This service includes monitoring your health progress, adjusting your treatment plan if needed, and answering any questions you may have about your condition or care.

20 services18 patients

Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 99222

Initial hospital inpatient care is a service where a healthcare provider spends about 50 minutes per day overseeing your care while you're admitted in the hospital. This includes reviewing your health status, planning your treatment, and ensuring your safety and comfort.

15 services14 patients

Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 99232

Follow-up hospital inpatient care involves daily check-ups while you're admitted in the hospital. Typically, a healthcare provider spends about 25 minutes each day reviewing your condition, adjusting treatment if needed, and answering any questions you might have.

14 services14 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 48197 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient

$90.76 typical visit price

range $58.04 – $177.36

Typical copayment $22.69 (range $14.51 – $44.34)

Most-billed visit code 99203

Established Patient

$102.35 typical visit price

range $18.32 – $143.49

Typical copayment $25.58 (range $4.58 – $35.87)

Most-billed visit code 99214

Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

BRETTON LEE SCHLOESSER M.D.

Internal Medicine