MICHAEL JAMES PENISTON MD
NPI 1528639135
Internal Medicine in Detroit, MI

Active since July 06, 2021PECOS Enrolled
22201 MOROSS RD STE 170, DETROIT, MI 48236(313) 886-8787 Get Directions Write a Review

NPPES record last updated: March 25, 2026. Verified against the NPPES registry weekly; last sync: November 01, 2026.

Record update history: Mar 25, 2026, Jun 25, 2024, Jul 6, 2021 (3 updates tracked since 2021).

About Michael James Peniston Md NPPES

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

MICHAEL JAMES PENISTON MD (NPI 1528639135) is an individual internal medicine provider in Detroit, Michigan, licensed in Michigan (4301516723) and active in the NPI registry since July 2021. He is enrolled in Medicare PECOS and is a graduate of Other (2021).

NPPES Registry Identity

NPI1528639135
Entity TypeIndividualMale
Primary Taxonomy207R00000X
Provider Legal NameMICHAEL JAMES PENISTONCredential: MD
Location Address22201 MOROSS RD STE 170Detroit, MI 48236-2152
Mailing Address22201 Moross Rd Ste 170Detroit, MI 48236-2152 · (313) 886-8787
Sole ProprietorNo
Medical School CMSOtherGraduated 2021
Enumeration DateJuly 6, 2021
Last NPPES UpdateMarch 25, 20263 updates tracked since enumeration
NPPES CertifiedMarch 25, 2026
✔ NPI 1528639135 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
License✔ Licensed in MI · 4301516723
Definition
A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.
22201 MOROSS RD STE 170, Detroit, MI 48236

Accepted Insurance

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Michael James Peniston Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

PECOS PAC ID5193129849
PECOS Enrollment IDI20260429003739
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 Michael Peniston reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Nephrology
18001 E 10 MILE RD, SUITE 1
Roseville, MI 48066
  • Reassigned Medicare billing, Michigan enrollment
  • 27 clinicians in this Medicare group

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

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 48236 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
$134.28 typical visit price
range $58.04 – $177.36
Typical copayment $33.57 (range $14.51 – $44.34)
Most-billed visit code 99204
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 4

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

Internal Medicine
22201 MOROSS RD STE 170
DETROIT, MI 48236
Internal Medicine
22201 MOROSS RD STE 170
DETROIT, MI 48236
Student in an Organized Health Care Education/Training Program
22201 MOROSS RD STE 170
DETROIT, MI 48236
Internal Medicine
22201 MOROSS RD STE 170
DETROIT, MI 48236

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Michael Peniston's NPI number?

The NPI number for Michael Peniston is 1528639135. It was assigned to this individual provider in the NPPES registry on July 6, 2021.

Where is Michael Peniston located?

Michael Peniston practices at 22201 Moross Rd Ste 170, Detroit, MI 48236. The listed phone number is (313) 886-8787.

What is Michael Peniston's specialty?

The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.

Is Michael Peniston enrolled in Medicare?

Yes. Michael Peniston is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Michael Peniston's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Michael Peniston reassigns Medicare benefits to St Clair Specialty Physicians PC (Roseville, MI). The reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Michael Peniston's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Michael Peniston accept?

Health plans from Blue Care Network of Michigan and Blue Cross Blue Shield of Michigan Mutual Insurance Company list Michael Peniston as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

When was this NPI record last updated?

The NPPES record for Michael Peniston was last updated on March 25, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 7 months 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.