Quick answers
- Does Gretchen Martin accept Medicare assignment?
- Yes. Medicare's clinician data says Gretchen Martin accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of October 2, 2026. Ask the office to confirm before your visit.
- How many Medicare patients does Gretchen Martin see?
- In 2024, CMS data shows 360 Original Medicare patients and 2,458 services for Gretchen Martin. This counts Original Medicare only and measures volume, not quality.
- What is Gretchen Martin's NPI number?
- 1912078585. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Medicare activity in 2024
Official CMS public-use data for Gretchen Martin, data year 2024 (released May 21, 2026). It covers Original Medicare (fee-for-service) patients only, not Medicare Advantage or other insurance. It shows volume, not quality or outcomes. CMS hides any count of 10 or fewer patients.
| Original Medicare patients | 360 |
|---|---|
| Services billed to Medicare | 2,458 |
| Different services or procedures | 59 |
| Participating Medicare provider | Yes |
| Average age of these patients | 76 |
Most frequent services
- Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)430 services
- Injection, triamcinolone acetonide, not otherwise specified, 10 mg (J3301)288 services
- Injection, dexamethasone sodium phosphate, 1 mg (J1100)268 services
- Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)187 services
- Injection of drug or substance under skin or into muscle (96372)155 services
Chronic conditions among these patients
Share of this clinician’s Original Medicare patients with each condition, as published by CMS (it describes the patients, not the care given).
- High blood pressure75%
- High cholesterol75%
- Arthritis50%
- Ischemic heart disease38%
- Anxiety33%
- Diabetes28%
Hospitals where Gretchen Martin works
Medicare's Facility Affiliation Data lists Gretchen Martin at these hospitals (updated October 2, 2026). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians. Star rating and emergency services: Hospital General Information (CMS), data updated October 26, 2026.
- Mercy Hospital JoplinJoplin, MO · Acute Care Hospital · Medicare rating: 1 of 5 stars · Emergency services: listed by Medicare · CCN 260001
- Mercy Hospital Pittsburg, IncPittsburg, KS · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 170006
Practice locations
Addresses where Gretchen Martin is enrolled with Medicare (CMS data updated October 2, 2026).
- 1015 S Mount Carmel Pl, Jplmc Fam Med Mt CarPittsburg, KS 66762 (620) 232‑5581
- 220 N Pennsylvania AveColumbus, KS 66725
- 403 Woodland Hills Blvd, Mercy Clinic RadiologyFort Scott, KS 66701 (417) 556‑4762
Group practices
Medicare enrollment lists Gretchen Martin as a member of this group (CMS data updated October 2, 2026).
- Mercy Clinic Joplin LLC295 clinicians in the group
Specialties
- Physician Assistantprimary
Other physician assistants in Pittsburg
Clinicians with the same Medicare primary specialty in Pittsburg, KS — not a recommendation.
Other clinicians in Mercy Clinic Joplin LLC
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | PA |
|---|---|
| Graduation year | 2005 |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1912078585 |
| Corrections | Report an error or suggest an update → |
Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.
Sources
- Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated October 2, 2026, retrieved October 29, 2026
- Hospital General Information — CMS, data updated October 26, 2026, retrieved November 13, 2026
- National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
- Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
- NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
- Medicare Care Compare — official Medicare tool to look up clinicians