GREGORY HUGH HESSLER M D
NPI 1326156928
Family Medicine in Mackinac Island, MI

Q: What is Gregory Hessler's NPI number?

The NPI number for Gregory Hessler is 1326156928. It was assigned to this individual provider in the NPPES registry on August 25, 2006.

Q: What is Gregory Hessler's specialty?

The primary specialty registered for this NPI is Family Medicine with taxonomy code 207Q00000X.

Q: When was this NPI record last updated?

The NPPES record for Gregory Hessler was last updated on June 9, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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.

Active since August 25, 2006PECOS EnrolledAccepts Medicare Assignment

7474 MARKET STREET, MACKINAC ISLAND, MI 49757(231) 534-7200(231) 534-7460 Get Directions Write a Review

NPPES record last updated: June 9, 2026. Verified against the NPPES registry weekly; last sync: August 16, 2026.

Record update history: Jul 21, 2022, Jul 25, 2017 (2 updates tracked since 2017).

On this page

About Gregory Hugh Hessler M D NPPES

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

GREGORY HUGH HESSLER M D (NPI 1326156928) is an individual family medicine provider in Mackinac Island, Michigan, licensed in Michigan (4301048874) and active in the NPI registry since August 2006. He is enrolled in Medicare PECOS, is affiliated with Munson Medical Center, and is a graduate of Wayne State University School Of Medicine (1984).

NPPES Registry Identity

NPI1326156928

Entity TypeIndividualMale

Primary Taxonomy207Q00000X

Provider Legal NameGREGORY HUGH HESSLERCredential: M D

Location Address7474 MARKET STREETMackinac Island, MI 49757

Mailing Address1140 N State StSaint Ignace, MI 49781-1013 · (906) 643-0466 · Fax (231) 534-7460

Phone(231) 534-7200

Fax(231) 534-7460

Sole ProprietorNo

Medical School CMSWayne State University School Of MedicineGraduated 1984

Enumeration DateAugust 25, 2006

Last NPPES UpdateJune 9, 20262 updates tracked since enumeration

NPPES CertifiedJune 9, 2026

✔ NPI 1326156928 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyFamily MedicineAllopathic & Osteopathic Physicians

Taxonomy Code207Q00000X

License✔ Licensed in MI · 4301048874

Definition

Family Medicine is the medical specialty which is concerned with the total health care of the individual and the family. It is the specialty in breadth which integrates the biological, clinical, and behavioral sciences. The scope of family medicine is not limited by age, sex, organ system, or disease entity.

7474 MARKET STREET, Mackinac Island, MI 49757

Open in Google Maps ↗

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Ambetter from Buckeye Health Plan, Ambetter from Meridian, Ambetter Health and more.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

Gregory Hugh Hessler 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 ID4981754009

PECOS Enrollment IDI20090611000534

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 2

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

Munson Medical Center

Acute Care Hospitals · Traverse City, MI

5/5 CMS rating

OwnershipVoluntary non-profit - Other

CMS Certification Number230097

Location1105 Sixth StreetTraverse City, MI 49684 · Grand Traverse County

Emergency services Birthing friendly

Mackinac Straits Hospital And Health Center

Critical Access Hospitals · Saint Ignace, MI

OwnershipVoluntary non-profit - Private

CMS Certification Number231306

Location1140 N State StreetSaint Ignace, MI 49781 · Mackinac County

Emergency services

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 49757 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

$84.74 typical visit price

range $54.34 – $166.68

Typical copayment $21.18 (range $13.58 – $41.67)

Most-billed visit code 99203

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.

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 Gregory Hessler's NPI number?

The NPI number for Gregory Hessler is 1326156928. It was assigned to this individual provider in the NPPES registry on August 25, 2006.

Where is Gregory Hessler located?

Gregory Hessler practices at 7474 Market Street, Mackinac Island, MI 49757. The listed phone number is (231) 534-7200.

What is Gregory Hessler's specialty?

The primary specialty registered for this NPI is Family Medicine with taxonomy code 207Q00000X.

Is Gregory Hessler enrolled in Medicare?

Yes. Gregory Hessler 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 Gregory Hessler accept?

Health plans from Ambetter Health, Ambetter from Buckeye Health Plan, Ambetter from Meridian, Blue Care Network of Michigan and Blue Cross Blue Shield of Michigan Mutual Insurance Company and 2 other insurers list Gregory Hessler 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 Gregory Hessler affiliated with any hospitals?

According to CMS data, Gregory Hessler is affiliated with Munson Medical Center and Mackinac Straits Hospital And Health Center.

When was this NPI record last updated?

The NPPES record for Gregory Hessler was last updated on June 9, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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.