ROSS TANZER D.O.
NPI 1508362153
Anesthesiology in Grand Rapids, MI

Active since April 03, 2018PECOS EnrolledAccepts Medicare Assignment
1840 WEALTHY ST SE, GRAND RAPIDS, MI 49506(616) 774-7870 Get Directions Write a Review

NPPES record last updated: November 5, 2025. Verified against the NPPES registry weekly; last sync: August 02, 2026.

Record update history: Nov 5, 2025, Jul 27, 2022, Jul 24, 2022 (3 updates tracked since 2022).

About Ross Tanzer D.o. NPPES

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

ROSS TANZER D.O. (NPI 1508362153) is an individual anesthesiology provider in Grand Rapids, Michigan, licensed in Michigan (5101026733) and active in the NPI registry since April 2018. He is enrolled in Medicare PECOS, is affiliated with Spectrum Health, and is a graduate of West Virginia School Of Osteopathic Medicine (2018).

NPPES Registry Identity

NPI1508362153
Entity TypeIndividualMale
Primary Taxonomy207L00000X
Provider Legal NameROSS TANZERCredential: D.O.
Location Address1840 WEALTHY ST SEGrand Rapids, MI 49506-2921
Mailing Address100 Michigan St Ne, Mc 845Grand Rapids, MI 49503-2560
Sole ProprietorNo
Medical School CMSWest Virginia School Of Osteopathic MedicineGraduated 2018
Enumeration DateApril 3, 2018
Last NPPES UpdateNovember 5, 20253 updates tracked since enumeration
NPPES CertifiedNovember 5, 2025
NPI 1508362153 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyAnesthesiologyAllopathic & Osteopathic Physicians
Taxonomy Code207L00000X
License Licensed in MI · 5101026733
Definition
An anesthesiologist is trained to provide pain relief and maintenance, or restoration, of a stable condition during and immediately following an operation or an obstetric or diagnostic procedure. The anesthesiologist assesses the risk of the patient undergoing surgery and optimizes the patient's condition prior to, during and after surgery. In addition to these management responsibilities, the anesthesiologist provides medical management and consultation in pain management and critical care medicine. Anesthesiologists diagnose and treat acute, long-standing and cancer pain problems; diagnose and treat patients with critical illnesses or severe injuries; direct resuscitation in the care of patients with cardiac or respiratory emergencies, including the need for artificial ventilation; and supervise post-anesthesia recovery.
1840 WEALTHY ST SE, Grand Rapids, MI 49506

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

Ross Tanzer D.o. 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 ID143601229
PECOS Enrollment IDI20220720003326
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

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.

Anesthesia for other procedure on upper abdomen 00790
Anesthesia for an upper abdomen procedure involves using medications to help you feel no pain during the operation. It can be general, where you're unconscious, or regional, where just the abdomen area is numbed. It ensures comfort and stillness, aiding a successful procedure.
16 services16 patients

Hospital Affiliations CMS Care Compare

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

Spectrum Health

Acute Care Hospitals · Grand Rapids, MI
5/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number230038
Location100 Michigan St NEGrand Rapids, MI 49503 · Kent County
Emergency services Birthing friendly

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.

Emergency Medicine
1840 WEALTHY ST SE
GRAND RAPIDS, MI 49506
Radiology (Radiation Oncology)
1840 WEALTHY ST SE
EAST GRAND RAPIDS, MI 49506
Emergency Medicine (Emergency Medical Services)
1840 WEALTHY ST SE
GRAND RAPIDS, MI 49506
Occupational Therapist
1840 WEALTHY ST SE
GRAND RAPIDS, MI 49506
Emergency Medicine
1840 WEALTHY ST SE
GRAND RAPIDS, MI 49506
Nurse Anesthetist, Certified Registered
1840 WEALTHY ST SE
GRAND RAPIDS, MI 49506
Physician Assistant
1840 WEALTHY ST SE
GRAND RAPIDS, MI 49506
Nurse Practitioner
1840 WEALTHY ST SE, MC 426
GRAND RAPIDS, MI 49506

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 Ross Tanzer's NPI number?

The NPI number for Ross Tanzer is 1508362153. It was assigned to this individual provider in the NPPES registry on April 3, 2018.

Where is Ross Tanzer located?

Ross Tanzer practices at 1840 Wealthy St SE, Grand Rapids, MI 49506. The listed phone number is (616) 774-7870.

What is Ross Tanzer's specialty?

The primary specialty registered for this NPI is Anesthesiology with taxonomy code 207L00000X.

Is Ross Tanzer enrolled in Medicare?

Yes. Ross Tanzer 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 Ross Tanzer accept?

Health plans from Blue Care Network of Michigan and Blue Cross Blue Shield of Michigan Mutual Insurance Company list Ross Tanzer 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 Ross Tanzer affiliated with any hospitals?

According to CMS data, Ross Tanzer is affiliated with Spectrum Health.

When was this NPI record last updated?

The NPPES record for Ross Tanzer was last updated on November 5, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 8 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.