Quick answers
- Does Carmen F. Doty-Armstrong accept Medicare assignment?
- Yes. Medicare's clinician data says Carmen F. Doty-Armstrong 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 Carmen F. Doty-Armstrong see?
- In 2024, CMS data shows 128 Original Medicare patients and 234 services for Carmen F. Doty-Armstrong. This counts Original Medicare only and measures volume, not quality.
- What is Carmen F. Doty-Armstrong's NPI number?
- 1053391649. 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 Carmen F. Doty-Armstrong, 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 | 128 |
|---|---|
| Services billed to Medicare | 234 |
| Different services or procedures | 33 |
| Participating Medicare provider | Yes |
| Average age of these patients | 69 |
Most frequent services
- Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)84 services
- Cervical or vaginal cancer screening; pelvic and clinical breast examination (G0101)53 services
- Ultrasound scan of uterus, ovaries, tubes, cervix and pelvic area through vagina (76830)12 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 cholesterol57%
- High blood pressure52%
- Arthritis36%
- Anxiety20%
- Diabetes18%
- Depression13%
Hospitals where Carmen F. Doty-Armstrong works
Medicare's Facility Affiliation Data lists Carmen F. Doty-Armstrong 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.
- Blanchard Valley HospitalFindlay, OH · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: not listed by Medicare · CCN 360095
- Bluffton HospitalBluffton, OH · Critical Access Hospital · Emergency services: listed by Medicare · CCN 361322
- Mercy Health - Tiffin HospitalTiffin, OH · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 360089
- Mercy Health - Willard HospitalWillard, OH · Critical Access Hospital · Emergency services: listed by Medicare · CCN 361310
- Wyandot Memorial HospitalUpper Sandusky, OH · Critical Access Hospital · Medicare rating: 5 of 5 stars · Emergency services: listed by Medicare · CCN 361329
Practice locations
Addresses where Carmen F. Doty-Armstrong is enrolled with Medicare (CMS data updated October 2, 2026).
- 218 S Myrtle AveWillard, OH 44890 (419) 964‑5380
- 27 St Lawrence DrTiffin, OH 44883 (419) 455‑8500
- 3900 Sunforest Ct, Suite 240Toledo, OH 43623 (419) 475‑1600
- 45 St Lawrence DrTiffin, OH 44883 (419) 455‑8501
- 885 N Sandusky AveUpper Sandusky, OH 43351
Group practices
Medicare enrollment lists Carmen F. Doty-Armstrong as a member of these groups (CMS data updated October 2, 2026).
- Mercy Health Physicians North Specialty Care LLC355 clinicians in the group
- Wyandot Memorial Hospital69 clinicians in the group
Specialties
- Obstetrics/Gynecologyprimary
Other OB-GYNs in Ohio
Clinicians with the same Medicare primary specialty in Ohio — not a recommendation.
Other clinicians in Mercy Health Physicians North Specialty Care LLC
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | DO |
|---|---|
| Graduation year | 1998 (28 years since medical school) |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1053391649 |
| 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