DR. JACK DUNCAN PARKS MD
NPI 1922219666
Obstetrics & Gynecology - Obstetrics in Muskegon, MI
About Dr. Jack Duncan Parks Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. JACK DUNCAN PARKS MD (NPI 1922219666) is an individual obstetrics provider in Muskegon, Michigan, licensed in Michigan (4301082476) and active in the NPI registry since May 2007. He is enrolled in Medicare PECOS, is affiliated with Trinity Health Muskegon Hospital, and is a graduate of Other (2003).
NPPES Registry Identity
Specialties & Licenses
Accepted 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. Jack Duncan Parks 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.
Medicare Billing Reassignments
6Medicare enrollment records show Jack Parks reassigns Medicare billing to 6 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Muskegon, MI 49442
- Reassigned Medicare billing, Michigan enrollment
- 150 clinicians in this Medicare group
Muskegon, MI 49442
- Reassigned Medicare billing, Michigan enrollment
- 10 clinicians in this Medicare group
Muskegon, MI 49442
- Reassigned Medicare billing, Michigan enrollment
- 23 clinicians in this Medicare group
Muskegon, MI 49442
- Reassigned Medicare billing, Michigan enrollment
- 92 clinicians in this Medicare group
Kalamazoo, MI 49048
- Reassigned Medicare billing, Michigan enrollment
- Medicare enrollment name: Ascension Medical Group Promed
- 465 clinicians in this Medicare group
Bronson, MI 49028
- Reassigned Medicare billing, Michigan enrollment
- 174 clinicians in this Medicare group
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Hospital Affiliations CMS Care Compare 2
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Trinity Health Muskegon Hospital
Acute Care Hospitals · Muskegon, MITrinity Health Grand Haven Hospital
Acute Care Hospitals · Grand Haven, MIPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 49442 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
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.
MUSKEGON, MI 49442
MUSKEGON, MI 49442
MUSKEGON, MI 49442
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 Jack Parks's NPI number?
The NPI number for Jack Parks is 1922219666. It was assigned to this individual provider in the NPPES registry on May 24, 2007.
Where is Jack Parks located?
Jack Parks practices at 1675 Leahy St Ste 428B, Muskegon, MI 49442. The listed phone number is (231) 672-3300.
What is Jack Parks's specialty?
The primary specialty registered for this NPI is Obstetrics & Gynecology, specializing in Obstetrics, with taxonomy code 207VX0000X.
Is Jack Parks enrolled in Medicare?
Yes. Jack Parks 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 Jack Parks's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Jack Parks reassigns Medicare benefits to 6 organizations: Mercy Health Partners - Physician Specialist (Muskegon, MI), Mercy Health Partners-Obstetrics And Gynecology Specialist (Muskegon, MI), Mercy Women's Health Services (Muskegon, MI), Mercy Health Partners (Muskegon, MI), Beacon Medical Group Michigan Inc (Kalamazoo, MI) and 1 more organization, listed in the Medicare section above. 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 Jack Parks's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Jack Parks 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 Jack Parks 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 Jack Parks affiliated with any hospitals?
According to CMS data, Jack Parks is affiliated with Trinity Health Muskegon Hospital and Trinity Health Grand Haven Hospital.
When was this NPI record last updated?
The NPPES record for Jack Parks was last updated on September 1, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 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.
# Dr. Jack Duncan Parks, MD · NPI 1922219666
Obstetrics physician in Muskegon, Michigan. Individual provider, active in the CMS NPPES registry since May 24, 2007.
## Identity
- **NPI:** 1922219666 (Entity type: Individual)
- **Enumerated:** May 24, 2007
- **Primary specialty:** Obstetrics & Gynecology - Obstetrics · taxonomy 207VX0000X
- **State license:** 4301082476 (Michigan)
- **Sole proprietor:** Yes
## Practice location
- **Address:** 1675 LEAHY ST, STE 428B, Muskegon, MI 49442-5500
- **Phone:** (231) 672-3300 · **Fax:** (231) 672-3380
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** 6 organizations under Medicare reassignment (form CMS-855R): Mercy Health Partners - Physician Specialist (NPI 1922248772, Muskegon, MI); Mercy Health Partners-Obstetrics And Gynecology Specialist (NPI 1215255799, Muskegon, MI); Mercy Women's Health Services (NPI 1467476143, Muskegon, MI); Mercy Health Partners (NPI 1194767186, Muskegon, MI); Beacon Medical Group Michigan Inc (NPI 1720009954, Kalamazoo, MI); and 1 more · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2003
## Record status
- **NPPES last updated:** September 1, 2023
---
Source: [NPI Profile](https://npiprofile.com/npi/1922219666) · Data from the CMS NPPES public registry.