JEFFREY S WARREN MD
NPI 1912089897
Pathology - Immunopathology in Ann Arbor, MI

Active since October 19, 2006PECOS EnrolledAccepts Medicare Assignment
1500 EAST MEDICAL CENTER DR, 2ND FLOOR UNIVERSITY HOSPITAL RECP PATHOLOGY, ANN ARBOR, MI 48109(800) 862-7284 Get Directions Write a Review

NPPES record last updated: May 7, 2019. Verified against the NPPES registry weekly; last sync: August 02, 2026.

About Jeffrey S Warren Md NPPES

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

JEFFREY S WARREN MD (NPI 1912089897) is an individual immunopathology provider in Ann Arbor, Michigan, licensed in Michigan (4301051563) and active in the NPI registry since October 2006. He is enrolled in Medicare PECOS, is affiliated with University Of Michigan Health System, and is a graduate of Ohio State University College Of Medicine (1980).

NPPES Registry Identity

NPI1912089897
Entity TypeIndividualMale
Primary Taxonomy207ZI0100X
Provider Legal NameJEFFREY S WARRENCredential: MD
Location Address1500 EAST MEDICAL CENTER DR, 2ND FLOOR UNIVERSITY HOSPITAL RECP PATHOLOGYAnn Arbor, MI 48109-5054
Mailing Address3621 S State StAnn Arbor, MI 48108-1633 · (734) 647-5299
Sole ProprietorNo
Medical School CMSOhio State University College Of MedicineGraduated 1980
Enumeration DateOctober 19, 2006
Last NPPES UpdateMay 7, 2019
NPI 1912089897 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

Primary SpecialtyPathology · ImmunopathologyAllopathic & Osteopathic Physicians
Taxonomy Code207ZI0100X
License Licensed in MI · 4301051563
Definition
A pathologist who specializes in the diagnosis of immunologic diseases.
Also ListedPathology · Anatomic Pathology & Clinical PathologyTaxonomy 207ZP0102X · License 4301051563 (MI)
1500 EAST MEDICAL CENTER DR, Ann Arbor, MI 48109

Other Identifiers 1

Medicaid1871252MI

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

Jeffrey S 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 ID345384590
PECOS Enrollment IDI20100225000635
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 11

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.

Protein measurement, serum 84165
A serum protein measurement is a blood test that determines the levels of proteins in your blood. It is used to evaluate your overall health, and diagnose nutritional problems, kidney disease, liver disease, or immune disorders.
988 services664 patients
Immunologic analysis technique on serum (immunofixation) 86334
Immunofixation is a lab test that helps identify proteins called immunoglobulins in your blood serum. These proteins are part of your immune system. Changes in their levels can indicate certain diseases. The test is simple and only requires a blood sample.
588 services444 patients
Protein measurement, body fluid 84166
A protein measurement of body fluid is a test that gauges the amount of proteins in your fluids. This analysis helps in detecting various health conditions. It's done via a simple sample collection process, usually from blood or urine, in a safe and painless manner.
216 services143 patients
Protein measurement, serum 84165
A serum protein measurement is a blood test that determines the levels of proteins in your blood. It is used to evaluate your overall health, and diagnose nutritional problems, kidney disease, liver disease, or immune disorders.
123 services113 patients
Immunologic analysis technique on serum (immunofixation) 86334
Immunofixation is a lab test that helps identify proteins called immunoglobulins in your blood serum. These proteins are part of your immune system. Changes in their levels can indicate certain diseases. The test is simple and only requires a blood sample.
99 services90 patients
Screening test for antibody to noninfectious agent 86255
A screening test for antibodies to noninfectious agents is a medical procedure that checks your body's response to substances that are not infectious. It involves taking a blood sample to identify specific antibodies, which are proteins your body produces when it detects harmful elements.
79 services75 patients

Hospital Affiliations CMS Care Compare

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

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.

Internal Medicine
1500 EAST MEDICAL CENTER DR, 3RD FLOOR TAUBMAN CTR RECP B
ANN ARBOR, MI 48109
Anesthesiology
1500 EAST MEDICAL CENTER DR, 1H247 UNIVERSITY HOSPITAL
ANN ARBOR, MI 48109
Physician Assistant
1500 EAST MEDICAL CENTER DR, 2ND FLOOR TAUBMAN CENTER RECP F
ANN ARBOR, MI 48109
Nurse Practitioner
1500 EAST MEDICAL CENTER DR, 3RD FLOOR C.S. MOTT CHILDREN'S HOSPITAL RECP C
ANN ARBOR, MI 48109
Nurse Practitioner (Critical Care Medicine)
1500 EAST MEDICAL CENTER DR, 12TH FLOOR C.S. MOTT CHILDRENS HOSPITAL RM 525
ANN ARBOR, MI 48109
Nurse Anesthetist, Certified Registered
1500 EAST MEDICAL CENTER DR
ANN ARBOR, MI 48109
Internal Medicine
1500 EAST MEDICAL CENTER DR, 3RD FLOOR TAUBMAN RECP B
ANN ARBOR, MI 48109
Pediatrics (Pediatric Hematology-Oncology)
1500 EAST MEDICAL CENTER DR, 7TH FLOOR C.S. MOTT CHILDREN'S 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 Jeffrey Warren's NPI number?

The NPI number for Jeffrey Warren is 1912089897. It was assigned to this individual provider in the NPPES registry on October 19, 2006.

Where is Jeffrey Warren located?

Jeffrey Warren practices at 1500 East Medical Center Dr 2nd Floor University Hospital Recp Pathology, Ann Arbor, MI 48109. The listed phone number is (800) 862-7284.

What is Jeffrey Warren's specialty?

The primary specialty registered for this NPI is Pathology, specializing in Immunopathology, with taxonomy code 207ZI0100X.

Is Jeffrey Warren enrolled in Medicare?

Yes. Jeffrey 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 Jeffrey Warren accept?

Health plans from Priority Health list Jeffrey 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 Jeffrey Warren affiliated with any hospitals?

According to CMS data, Jeffrey Warren is affiliated with University Of Michigan Health System.

When was this NPI record last updated?

The NPPES record for Jeffrey Warren was last updated on May 7, 2019. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 7 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.