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DR. NOAH JEFFREY JENTZEN M.D.
NPI 1508109034
Internal Medicine - Critical Care Medicine in Grand Rapids, MI

Active since April 03, 2013PECOS EnrolledAccepts Medicare Assignment
100 MICHIGAN ST NE STE 8861, GRAND RAPIDS, MI 49503(616) 391-6588 Get Directions Write a Review

NPPES record last updated: January 25, 2024. Verified against the NPPES registry weekly; last sync: November 01, 2026.

Record update history: May 1, 2023, Feb 24, 2021, Sep 14, 2020 and 1 more (4 updates tracked since 2018).

About Dr. Noah Jeffrey Jentzen M.d. NPPES

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

DR. NOAH JEFFREY JENTZEN M.D. (NPI 1508109034) is an individual critical care medicine provider in Grand Rapids, Michigan, licensed in Michigan (4301509355) and active in the NPI registry since April 2013. He is enrolled in Medicare PECOS, is affiliated with Spectrum Health, and is a graduate of Other (2013).

NPPES Registry Identity

NPI1508109034
Entity TypeIndividualMale
Primary Taxonomy207RC0200X
Provider Legal NameDR. NOAH JEFFREY JENTZENCredential: M.D.
Location Address100 MICHIGAN ST NE STE 8861Grand Rapids, MI 49503-2560
Mailing Address100 Michigan St Ne # Mc845Grand Rapids, MI 49503-2560
Phone(616) 391-6588
Sole ProprietorNo
Medical School CMSOtherGraduated 2013
Enumeration DateApril 3, 2013
Last NPPES UpdateJanuary 25, 20244 updates tracked since enumeration
NPPES CertifiedJanuary 25, 2024
✔ NPI 1508109034 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal Medicine · Critical Care MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207RC0200X
Licenses✔ Licensed in MI · 4301509355✔ Licensed in GA · 86559✔ Licensed in TN · 57403
Definition
An internist who diagnoses, treats and supports patients with multiple organ dysfunction. This specialist may have administrative responsibilities for intensive care units and may also facilitate and coordinate patient care among the primary physician, the critical care staff and other specialists.
100 MICHIGAN ST NE STE 8861, Grand Rapids, MI 49503
Open in Google Maps ↗

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Priority Health.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

Dr. Noah Jeffrey Jentzen 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 ID8820345804
PECOS Enrollment IDI20230531000321
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

4

Medicare enrollment records show Noah Jentzen reassigns Medicare billing to 4 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Spectrum Health Primary Care Partners
Same address
Hospitalist
100 MICHIGAN ST NE
Grand Rapids, MI 49503
  • Reassigned Medicare billing, Michigan enrollment
  • 2,446 clinicians in this Medicare group
NPI 1790093763 (616) 391-3139
Chattanooga Hamilton County Hospital Authority
508 mi
Emergency Medicine
128 WHEELERTOWN AVENUE
Pikeville, TN 37367
  • Reassigned Medicare billing, Tennessee enrollment
  • 533 clinicians in this Medicare group
NPI 1023178787 (423) 447-2112
Hamilton Medical Center, Inc.
565 mi
General Acute Care Hospital
1200 MEMORIAL DR
Dalton, GA 30720
  • Reassigned Medicare billing, Georgia enrollment
  • 236 clinicians in this Medicare group
NPI 1528056066 (706) 272-6000
Hamilton Physician Group Inc
565 mi
Cardiovascular Disease
1107 MEMORIAL DR STE 302
Dalton, GA 30720
  • Reassigned Medicare billing, Georgia enrollment
  • 178 clinicians in this Medicare group
NPI 1235455569 (706) 529-6015

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

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.

Critical care, first 30-74 minutes 99291
Critical care involves immediate and constant attention by a team of specially-trained health professionals. It's for patients with life-threatening conditions, requiring first 30-74 minutes of intense monitoring and treatment.
74 services32 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

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 49503 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 15

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

ZACHARY RYAN TOMCZYK NP
Nurse Practitioner (Acute Care)
100 MICHIGAN ST NE STE 8861
GRAND RAPIDS, MI 49503
Kent County (616) 391-6588
MR. BENJAMIN CARROLL GRANT PA-C
Physician Assistant
100 MICHIGAN ST NE STE 8861
GRAND RAPIDS, MI 49503
Kent County (616) 391-6588
CHRISTOPHER RYAN DAVIS PA
Physician Assistant
100 MICHIGAN ST NE STE 8861
GRAND RAPIDS, MI 49503
Kent County (616) 391-2802
CHELSEA RAE PETERSON NP
Nurse Practitioner
100 MICHIGAN ST NE STE 8861
GRAND RAPIDS, MI 49503
Kent County (616) 391-1774
JOSEPH ADAM DROPPERS NP-C
Nurse Practitioner (Gerontology)
100 MICHIGAN ST NE STE 8861
GRAND RAPIDS, MI 49503
Kent County (616) 391-2802
DR. EMILY KAY SEIF M.D.
Internal Medicine (Critical Care Medicine)
100 MICHIGAN ST NE STE 8861
GRAND RAPIDS, MI 49503
Kent County (616) 391-6588
HANNAH PATIENCE EVES PA
Physician Assistant
100 MICHIGAN ST NE STE 8861
GRAND RAPIDS, MI 49503
Kent County (616) 391-6588
JOSHUA ALAN NELSON PA-C
Physician Assistant
100 MICHIGAN ST NE STE 8861
GRAND RAPIDS, MI 49503
Kent County (616) 391-6588

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 Noah Jentzen's NPI number?

The NPI number for Noah Jentzen is 1508109034. It was assigned to this individual provider in the NPPES registry on April 3, 2013.

Where is Noah Jentzen located?

Noah Jentzen practices at 100 Michigan St NE Ste 8861, Grand Rapids, MI 49503. The listed phone number is (616) 391-6588.

What is Noah Jentzen's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Critical Care Medicine, with taxonomy code 207RC0200X.

Is Noah Jentzen enrolled in Medicare?

Yes. Noah Jentzen 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 Noah Jentzen's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Noah Jentzen reassigns Medicare benefits to 4 organizations: Spectrum Health Primary Care Partners (Grand Rapids, MI), Chattanooga Hamilton County Hospital Authority (Pikeville, TN), Hamilton Medical Center, Inc. (Dalton, GA) and Hamilton Physician Group Inc (Dalton, GA). 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 Noah Jentzen's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Noah Jentzen accept?

Health plans from Priority Health list Noah Jentzen 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 Noah Jentzen affiliated with any hospitals?

According to CMS data, Noah Jentzen is affiliated with Spectrum Health.

When was this NPI record last updated?

The NPPES record for Noah Jentzen was last updated on January 25, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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.