SIMON JOHN WARREN MD
NPI 1407828684
Pathology - Dermatopathology in Ann Arbor, MI

Active since February 02, 2006PECOS EnrolledAccepts Medicare Assignment
1500 E MEDICAL CENTER DR, ANN ARBOR, MI 48109(734) 936-4000 Get Directions Write a Review

NPPES record last updated: October 15, 2024. Verified against the NPPES registry weekly; last sync: July 26, 2026.

About Simon John Warren Md NPPES

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

SIMON JOHN WARREN MD (NPI 1407828684) is an individual dermatopathology provider in Ann Arbor, Michigan, licensed in Michigan (4301512285) and active in the NPI registry since February 2006. He is enrolled in Medicare PECOS, is affiliated with University Of Michigan Health System, and maintains a secondary practice location in Indianapolis.

NPPES Registry Identity

NPI1407828684
Entity TypeIndividualMale
Primary Taxonomy207ZD0900X
Provider Legal NameSIMON JOHN WARRENCredential: MD
Location Address1500 E MEDICAL CENTER DRAnn Arbor, MI 48109-5000
Mailing Address3621 S State StAnn Arbor, MI 48108-1633 · (734) 647-5299
Sole ProprietorNo
Medical School CMSOtherGraduated 1993
Enumeration DateFebruary 2, 2006
Last NPPES UpdateOctober 15, 2024
NPPES CertifiedOctober 15, 2024
NPI 1407828684 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 3

Primary SpecialtyPathology · DermatopathologyAllopathic & Osteopathic Physicians
Taxonomy Code207ZD0900X
License Licensed in MI · 4301512285
Definition

A dermatopathologist is an expert in diagnosing and monitoring 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 light microscopy, electron microscopy, and fluorescence microscopy.

Also ListedSpecialistTaxonomy 174400000X · License ME93737 (FL)
Also ListedPathology · Anatomic Pathology & Clinical PathologyTaxonomy 207ZP0102X · License 01065084A (IN)
1500 E MEDICAL CENTER DR, Ann Arbor, MI 48109

Secondary Practice Location 1

Location 1635 Barnhill Dr # A128Indianapolis, IN 46202-5126 · Phone (317) 274-4806

Other Identifiers 2

Medicaid200894770IN
Medicaid030682700FL

Accepted Insurance

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

Enrolled in Medicare and accepts Medicare assignment

Simon John Warren Md 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 ID4587680848
PECOS Enrollment IDI20241029001131
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.

Areas of Expertise CMS Part B claims 6

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.
616 services440 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.
95 services30 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.
59 services50 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.
24 services21 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.
21 services20 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.
15 services14 patients

Hospital Affiliations CMS Care Compare 4

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

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

Henry Ford Allegiance Health

Acute Care Hospitals · Jackson, MI
4/5 CMS rating
OwnershipVoluntary non-profit - Other
CMS Certification Number230092
Location205 N East AveJackson, MI 49201 · Jackson County
Emergency services Birthing friendly

Mymichigan Medical Center Midland

Acute Care Hospitals · Midland, MI
4/5 CMS rating
OwnershipVoluntary non-profit - Other
CMS Certification Number230222
Location4000 Wellness DriveMidland, MI 48670 · Midland County
Birthing friendly

University Of Michigan Health - West

Acute Care Hospitals · Wyoming, MI
4/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number230236
Location5900 Byron Center Avenue, SWWyoming, MI 49519 · Kent County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 48109 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 20

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

Pharmacist (Pharmacotherapy)
1500 E MEDICAL CENTER DR
ANN ARBOR, MI 48109
Psychiatry & Neurology (Psychiatry)
1500 E MEDICAL CENTER DR, B1 FLOOR UNIVERSITY HOSPITAL RECP EMERGENCY
ANN ARBOR, MI 48109
Nurse Practitioner
1500 E MEDICAL CENTER DR, 3RD FLOOR TAUBMAN CENTER RECP D
ANN ARBOR, MI 48109
Nurse Practitioner
1500 E MEDICAL CENTER DR, 3RD TAUBMAN CENTER RECP A
ANN ARBOR, MI 48109
Internal Medicine (Gastroenterology)
1500 E MEDICAL CENTER DR, 3RD FLOOR TAUBMAN CENTER RECP D
ANN ARBOR, MI 48109
Radiology (Diagnostic Radiology)
1500 E MEDICAL CENTER DR, B1 FLOOR UNIVERSITY HOSPITAL RECP C
ANN ARBOR, MI 48109
Nurse Anesthetist, Certified Registered
1500 E MEDICAL CENTER DR, 1ST FLOOR TAUBMAN CENTER RECP E
ANN ARBOR, MI 48109
Nurse Anesthetist, Certified Registered
1500 E MEDICAL CENTER DR, 1H247 UNIVERSITY HOSPITAL
ANN ARBOR, MI 48109

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 Simon Warren's NPI number?

The NPI number for Simon Warren is 1407828684. It was assigned to this individual provider in the NPPES registry on February 2, 2006.

Where is Simon Warren located?

Simon Warren practices at 1500 E Medical Center Dr, Ann Arbor, MI 48109. The listed phone number is (734) 936-4000.

What is Simon Warren's specialty?

The primary specialty registered for this NPI is Pathology, specializing in Dermatopathology, with taxonomy code 207ZD0900X.

Is Simon Warren enrolled in Medicare?

Yes. Simon Warren 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.

What insurance does Simon Warren accept?

Health plans from Blue Care Network of Michigan, Blue Cross Blue Shield of Michigan Mutual Insurance Company and Priority Health list Simon Warren 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 Simon Warren affiliated with any hospitals?

According to CMS data, Simon Warren is affiliated with University Of Michigan Health System, Henry Ford Allegiance Health, Mymichigan Medical Center Midland and University Of Michigan Health - West.

When was this NPI record last updated?

The NPPES record for Simon Warren was last updated on October 15, 2024. NPI Profile syncs with the weekly NPPES data releases published by CMS.