Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

AMBER LYNN HOLTZ MD
NPI 1912571332
Pathology - Anatomic Pathology & Clinical Pathology in Midland, MI

Active since May 19, 2021PECOS Enrolled
4000 WELLNESS DR, MIDLAND, MI 48670(800) 288-8325 Get Directions Write a Review

NPPES record last updated: August 25, 2026. Verified against the NPPES registry weekly; last sync: September 06, 2026.

Record update history: Aug 25, 2026, Jul 8, 2025, May 19, 2021 (3 updates tracked since 2021).

About Amber Lynn Holtz Md NPPES

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

AMBER LYNN HOLTZ MD (NPI 1912571332) is an individual anatomic pathology & clinical pathology provider in Midland, Michigan, licensed in Michigan (4301513376) and active in the NPI registry since May 2021. She is enrolled in Medicare PECOS, is affiliated with University Of Michigan Health System, and maintains 2 additional practice locations.

NPPES Registry Identity

NPI1912571332
Entity TypeIndividualFemale
Primary Taxonomy207ZP0102X
Provider Legal NameAMBER LYNN HOLTZCredential: MD
Location Address4000 WELLNESS DRMidland, MI 48670-2000
Mailing Address5700 Southwyck BlvdToledo, OH 43614-1509 · (800) 288-8325 · Fax (419) 866-5453
Sole ProprietorNo
Medical School CMSWayne State University School Of MedicineGraduated 2021
Enumeration DateMay 19, 2021
Last NPPES UpdateAugust 25, 20263 updates tracked since enumeration
NPPES CertifiedAugust 25, 2026
NPI 1912571332 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyPathology · Anatomic Pathology & Clinical PathologyAllopathic & Osteopathic Physicians
Taxonomy Code207ZP0102X
License Licensed in MI · 4301513376
Definition
A pathologist deals with the causes and nature of disease and contributes to diagnosis, prognosis and treatment through knowledge gained by the laboratory application of the biologic, chemical and physical sciences. A pathologist uses information gathered from the microscopic examination of tissue specimens, cells and body fluids, and from clinical laboratory tests on body fluids and secretions for the diagnosis, exclusion and monitoring of disease.
4000 WELLNESS DR, Midland, MI 48670

Secondary Practice Locations 2

Location 1Department of Pathology, 2800 Plymouth Rd #35-1411Ann Arbor, MI 48109-2800 · Phone (734) 764-3270
Location 21500 E Medical Center DrAnn Arbor, MI 48109-5000 · Phone (734) 936-4000

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

Amber Lynn Holtz 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 ID1951802602
PECOS Enrollment IDI20250903000744
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.

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 48670 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
$126.15 typical visit price
range $54.34 – $166.68
Typical copayment $31.53 (range $13.58 – $41.67)
Most-billed visit code 99204
Established Patient
$96.44 typical visit price
range $17.09 – $135.40
Typical copayment $24.11 (range $4.27 – $33.85)
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.

Anesthesiology
4000 WELLNESS DR
MIDLAND, MI 48670
Physician Assistant
4000 WELLNESS DR
MIDLAND, MI 48670
Radiology (Radiation Oncology)
4000 WELLNESS DR
MIDLAND, MI 48670
Student in an Organized Health Care Education/Training Program
4000 WELLNESS DR
MIDLAND, MI 48670
Registered Nurse (Critical Care Medicine)
4000 WELLNESS DR
MIDLAND, MI 48670
Pediatrics
4000 WELLNESS DR
MIDLAND, MI 48670
Speech-Language Pathologist
4000 WELLNESS DR
MIDLAND, MI 48670
Family Medicine
4000 WELLNESS DR
MIDLAND, MI 48670

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 Amber Holtz's NPI number?

The NPI number for Amber Holtz is 1912571332. It was assigned to this individual provider in the NPPES registry on May 19, 2021.

Where is Amber Holtz located?

Amber Holtz practices at 4000 Wellness Dr, Midland, MI 48670. The listed phone number is (800) 288-8325.

What is Amber Holtz's specialty?

The primary specialty registered for this NPI is Pathology, specializing in Anatomic Pathology & Clinical Pathology, with taxonomy code 207ZP0102X.

Is Amber Holtz enrolled in Medicare?

Yes. Amber Holtz 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 Amber Holtz accept?

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

According to CMS data, Amber Holtz is affiliated with University Of Michigan Health System.

When was this NPI record last updated?

The NPPES record for Amber Holtz was last updated on August 25, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 19 days 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.