Mark Steven Pankonin, M.D./PH.D.
Gastroenterology (CMS) · Saginaw, MI
At a glance
900 Cooper Ave, Saginaw, MI 48602-5182
Published activity: Colonoscopy · Upper gastrointestinal (GI) endoscopy for acid reflux. View counts and coverage
NPPES record updated Jul 1, 2026. Public records can lag behind changes at a practice.
Before you call: a quick checklist
- Are you accepting new patients?
- Do you accept my specific insurance plan?
- Do you provide the service I need at this address?
- Do I need a referral, and what is the earliest appointment?
Insurance participation and appointment availability are not established by these public records.
Medicare & insurance
Insurance participation is not established by these public records. Ask the practice and your insurer about your specific plan and this location.
How to check your coverage
Use your plan’s provider directory or the member-services number on your insurance card. Confirm the clinician, practice address, service, and whether a referral is required. A missing opt-out record does not establish Medicare acceptance.
Check the official Medicare directory ↗Practice location
900 Cooper Ave Suite 4300Saginaw, MI 48602-5182
Additional reported practice locations
55 Lake Ave NWorcester, MA 016550002
Phone: 5083343068 11155 Dunn Rd Ste 309E
Saint Louis, MO 631366111
Phone: 3149538799
Fax: 3142730149 262 Leroy George Dr
Clyde, NC 287217430
Phone: 8284567311 119 Belmont St
Worcester, MA 016052903
Phone: 5083343068 3901 S Fremont Ave Fl 4
Springfield, MO 658046538
Phone: 4178753250 21 Eastern Ave
Worcester, MA 016053094
Phone: 5088568350
Education & affiliations
- Medical / professional school
- Wayne State University School Of Medicine
- Graduation year
- 2008
- CMS specialties
- Gastroenterology
Practice groups
- Fairview Heights Medical Group Sc
- Lester E Cox Medical Centers
- Phoebe Physician Group Inc
- Wellstar Medical Group Llc
Reported hospital affiliations
- Alton Memorial Hospital Alton, IL
- Cox Medical Centers Springfield, MO
- Phoebe Putney Memorial Hospital Albany, GA
- Wellstar Paulding Medical Center Hiram, GA
Graduation year does not establish years in practice. A reported affiliation does not establish employment, current admitting privileges, or insurance participation.
Source: CMS National Downloadable File · Published Oct 15, 2026.
Source: CMS Facility Affiliation Data · Published Oct 15, 2026.
Procedures in the public data
Reported activity can help you ask more informed questions about a practice’s services.
| Procedure category | Published Medicare activity |
|---|---|
| Colonoscopy | 49 |
| Upper gastrointestinal (GI) endoscopy for acid reflux | 47 |
CMS uses a one-year claims window with a reporting lag. Counts cover the Medicare activity included by CMS, not all patients. “1–10” is a published range. Volume is not a quality or outcomes score. Coverage and methodology
Source: CMS Utilization Data · Published Oct 15, 2026.
Find providers with a similar service mix
Compare 2024 published Medicare activity in the same reported specialty, here or in another city.
Industry-reported general payments
Includes reported transfers of value, such as meals, travel, or consulting. Payments do not establish improper conduct or quality of care. Research funding and ownership values are excluded from this total.
See payment purposes and reporting companies
Reported purposes
| Purpose | Amount |
|---|---|
| Food and beverage | $42.69 |
Reporting companies
| Company | Amount |
|---|---|
| IPSEN BIOPHARMACEUTICALS, INC | $42.69 |
Source: CMS 2025 payments grouped by covered recipient and nature of payments · Published Jun 30, 2026.
Professional details: NPI, taxonomy & registry record
Registry details
- Primary taxonomy
- Gastroenterology (CMS)
- Taxonomy code
- 207RG0100X
- Enumeration date
- May 30, 2008
- Record updated
- Jul 1, 2026
More registry details
- Provider type
- Individual · Type 1
- Reported credentials
- M.D./PH.D.
Reported taxonomies and licenses
207RG0100X
License reported: 2025045301 MO
207RG0100X
License reported: 4301105873 MI
207RG0100X
License reported: 2021-02901 NC
207RG0100X · Primary
License reported: 295203 MA
License numbers and credentials are reported to NPPES; HCPList does not independently verify them.
Practice location
900 Cooper AveSuite 4300
Saginaw, MI 48602-5182
- Phone
- (989) 583-7460
- Fax
- (989) 583-7432
Mailing address
1447 N HARRISON STSAGINAW, MI 486024727
Information may be outdated or incomplete. Confirm details directly with the practice. HCPList is an independent directory and is not affiliated with CMS.
Report a directory issue