MR. STEPHEN HAROLD OLSEN M.D.
NPI 1770605271
Dermatology - Dermatopathology in Ypsilanti, MI

Active since April 04, 2007PECOS EnrolledAccepts Medicare Assignment
5301 E HURON RIVER DR, YPSILANTI, MI 48197(734) 712-3161(734) 712-2244 Get Directions Write a Review

NPPES record last updated: December 15, 2020. Verified against the NPPES registry weekly; last sync: October 25, 2026.

About Mr. Stephen Harold Olsen M.d. NPPES

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

MR. STEPHEN HAROLD OLSEN M.D. (NPI 1770605271) is an individual dermatopathology provider in Ypsilanti, Michigan, licensed in Michigan (4301078896) and active in the NPI registry since April 2007. He is enrolled in Medicare PECOS, is affiliated with St Joe Mercy Hospital System Livonia, and is a graduate of Wayne State University School Of Medicine (2001).

NPPES Registry Identity

NPI1770605271
Entity TypeIndividualMale
Primary Taxonomy207ND0900X
Provider Legal NameMR. STEPHEN HAROLD OLSENCredential: M.D.
Location Address5301 E HURON RIVER DRYpsilanti, MI 48197-1051
Mailing Address24 Frank Lloyd Wright Dr Ste J200Ann Arbor, MI 48105-9484 · (734) 747-6766 · Fax (734) 222-3100
Fax(734) 712-2244
Sole ProprietorNo
Medical School CMSWayne State University School Of MedicineGraduated 2001
Enumeration DateApril 4, 2007
Last NPPES UpdateDecember 15, 2020
NPPES CertifiedDecember 15, 2020
✔ NPI 1770605271 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyDermatology · DermatopathologyAllopathic & Osteopathic Physicians
Taxonomy Code207ND0900X
License✔ Licensed in MI · 4301078896
Definition
A dermatopathologist has the expertise to diagnose and monitor diseases of the skin including infectious, immunologic, degenerative and neoplastic diseases. This entails the examination and interpretation of specially prepared tissue sections, cellular scrapings and smears of skin lesions by means of routine and special (electron and fluorescent) microscopes.
Also ListedPathology · Anatomic Pathology & Clinical PathologyTaxonomy 207ZP0102X · License 4301078896 (MI)
5301 E HURON RIVER DR, Ypsilanti, MI 48197

Accepted Insurance

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Mr. Stephen Harold Olsen M.d. is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID5597866301
PECOS Enrollment IDI20070724000322
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 Reassignments

3

Medicare enrollment records show Stephen Olsen reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Surgical Critical Care
5301 E. HURON RIVER DR.
Ypsilanti, MI 48197
  • Reassigned Medicare billing, Michigan enrollment
  • 1,480 clinicians in this Medicare group
Clinical Medical Laboratory
1314 N MACOMB ST
Monroe, MI 48162
  • Reassigned Medicare billing, Michigan enrollment
  • 13 clinicians in this Medicare group
Anatomic Pathology & Clinical Pathology
2142 N COVE BLVD
Toledo, OH 43606
  • Reassigned Medicare billing, Michigan enrollment
  • 36 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.

Areas of Expertise CMS Part B claims 7

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.

Pathology examination of tissue using a microscope, intermediate complexity 88305
A pathology examination of tissue with intermediate complexity involves studying a small sample of your body tissue under a microscope. This helps in identifying any abnormal cells or signs of disease. It's a detailed process requiring expert analysis to ensure accurate results.
2,001 services1,411 patients
Special stained specimen slides to examine tissue, each additional procedure 88341
Special stained specimen slides are used to analyze tissue in detail. In this process, extra procedures may be needed for a more thorough examination. These involve applying special stains to the tissue on slides, enhancing specific elements for closer study.
163 services64 patients
Pathology examination of tissue using a microscope, moderately low complexity 88304
A pathology examination of tissue, moderately low complexity, involves studying a small sample of your body tissue under a microscope. It helps to identify any abnormal cells or diseases. It's a routine procedure, not complex, and provides crucial insights for your diagnosis.
159 services147 patients
Special stained specimen slides to identify organisms including interpretation and report 88312
This service involves coloring specimen slides in a special way to help identify organisms. The colors make different parts of the organism stand out. Afterward, a detailed interpretation and report on the findings are provided.
148 services126 patients
Special stained specimen slides to examine tissue, initial procedure 88342
This procedure involves the use of specially stained slides to examine tissue samples. The initial process involves obtaining a small tissue sample from your body. This sample is then placed on a slide and stained with special dyes to highlight different structures and elements. The stained slide is then examined under a microscope to help diagnose any potential health issues.
95 services87 patients
Surgical pathology consultation and report on referred slides prepared elsewhere 88321
A surgical pathology consultation involves reviewing slides prepared at a different lab to confirm or clarify a diagnosis. It's a second opinion to ensure accuracy. A report with findings and interpretations is then provided for your doctor's reference.
37 services36 patients

Hospital Affiliations CMS Care Compare 5

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

St Joe Mercy Hospital System Livonia

Acute Care Hospitals · Livonia, MI
2/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number230002
Location36475 Five Mile RoadLivonia, MI 48154 · Wayne County
Emergency services Birthing friendly

Trinity Health Oakland Hospital

Acute Care Hospitals · Pontiac, MI
2/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number230029
Location44405 Woodward AvePontiac, MI 48341 · Oakland County
Emergency services Birthing friendly

University Of Michigan Health System

Acute Care Hospitals · Ann Arbor, MI
5/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number230046
Location1500 E Medical Center Drive, Spc 5474Ann Arbor, MI 48109 · Washtenaw County
Emergency services Birthing friendly

Trinity Health Ann Arbor Hospital

Acute Care Hospitals · Ann Arbor, MI
4/5 CMS rating
OwnershipVoluntary non-profit - Church
CMS Certification Number230156
Location5301 E Huron River DrAnn Arbor, MI 48106 · Washtenaw County
Emergency services Birthing friendly

Chelsea Hospital

Acute Care Hospitals · Chelsea, MI
5/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number230259
Location775 S Main StChelsea, MI 48118 · Washtenaw County
Emergency services

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
$72.38 typical visit price
range $18.32 – $143.49
Typical copayment $18.09 (range $4.58 – $35.87)
Most-billed visit code 99213
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.

Internal Medicine
5301 E HURON RIVER DR
YPSILANTI, MI 48197
Internal Medicine
5301 E HURON RIVER DR
YPSILANTI, MI 48197
Physician Assistant (Surgical)
5301 E HURON RIVER DR
YPSILANTI, MI 48197
Nurse Practitioner
5301 E HURON RIVER DR
YPSILANTI, MI 48197
Nurse Anesthetist, Certified Registered
5301 E HURON RIVER DR
YPSILANTI, MI 48197
Nurse Anesthetist, Certified Registered
5301 E HURON RIVER DR
YPSILANTI, MI 48197
Internal Medicine
5301 E HURON RIVER DR
YPSILANTI, MI 48197
Internal Medicine
5301 E HURON RIVER DR
YPSILANTI, MI 48197

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 Stephen Olsen's NPI number?

The NPI number for Stephen Olsen is 1770605271. It was assigned to this individual provider in the NPPES registry on April 4, 2007.

Where is Stephen Olsen located?

Stephen Olsen practices at 5301 E Huron River Dr, Ypsilanti, MI 48197. The listed phone number is (734) 712-3161.

What is Stephen Olsen's specialty?

The primary specialty registered for this NPI is Dermatology, specializing in Dermatopathology, with taxonomy code 207ND0900X.

Is Stephen Olsen enrolled in Medicare?

Yes. Stephen Olsen is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

Which organizations bill Medicare for Stephen Olsen's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Stephen Olsen reassigns Medicare benefits to 3 organizations: Iha Health Services Corporation (Ypsilanti, MI), Pinkus Dermatopathology Laboratory, PC (Monroe, MI) and Consultants In Laboratory Medicine Of Greater Toledo (Toledo, OH). Each 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 Stephen Olsen's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Stephen Olsen accept?

Health plans from Priority Health list Stephen Olsen 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.

Is Stephen Olsen affiliated with any hospitals?

According to CMS data, Stephen Olsen is affiliated with St Joe Mercy Hospital System Livonia, Trinity Health Oakland Hospital, University Of Michigan Health System, Trinity Health Ann Arbor Hospital and Chelsea Hospital.

When was this NPI record last updated?

The NPPES record for Stephen Olsen was last updated on December 15, 2020. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 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.