Quick answers
- Does John F. Maddox accept Medicare assignment?
- Yes. Medicare's clinician data says John F. Maddox 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 John F. Maddox see?
- In 2024, CMS data shows 117 Original Medicare patients and 201 services for John F. Maddox. This counts Original Medicare only and measures volume, not quality.
- What is John F. Maddox's NPI number?
- 1467546648. 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 John F. Maddox, 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 | 117 |
|---|---|
| Services billed to Medicare | 201 |
| Different services or procedures | 11 |
| Participating Medicare provider | Yes |
| Average age of these patients | 73 |
Most frequent services
- Cervical or vaginal cancer screening; pelvic and clinical breast examination (G0101)62 services
- Assessment of emotional or behavioral problems (96127)35 services
- Urinalysis, manual test (81002)31 services
- Screening papanicolaou smear; obtaining, preparing and conveyance of cervical or vaginal smear to laboratory (Q0091)30 services
- Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more (99212)19 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 cholesterol69%
- High blood pressure61%
- Arthritis35%
- Osteoporosis28%
- Anxiety19%
- Cancer (breast, colorectal, lung, prostate, endometrial or leukemia/lymphoma)16%
Practice locations
Addresses where John F. Maddox is enrolled with Medicare (CMS data updated October 2, 2026).
- 11850 W Market Pl, Suite PFulton, MD 20759
- 11850 W Market Pl PFulton, MD 20759
- 5801 Postal Rd, Unit 81310Cleveland, OH 44181
Specialties
- Obstetrics/Gynecologyprimary
Other OB-GYNs in Fulton
Clinicians with the same Medicare primary specialty in Fulton, MD — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | University Of California, San Francisco School Of Medicine |
| Graduation year | 1977 (49 years since medical school) |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1467546648 |
| 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
- 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