Quick answers
- Does Nadezhda Bolton accept Medicare assignment?
- Yes. Medicare's clinician data says Nadezhda Bolton 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 Nadezhda Bolton see?
- In 2024, CMS data shows 152 Original Medicare patients and 450 services for Nadezhda Bolton. This counts Original Medicare only and measures volume, not quality.
- What is Nadezhda Bolton's NPI number?
- 1689037509. 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 Nadezhda Bolton, 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 | 152 |
|---|---|
| Services billed to Medicare | 450 |
| Different services or procedures | 28 |
| Participating Medicare provider | Yes |
| Average age of these patients | 72 |
Most frequent services
- Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)199 services
- Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)128 services
- Removal of cataract with insertion of prosthetic lens (66984)21 services
- Ultrasound scan of cornea to determine thickness (76514)18 services
- Exam of visual field with extended testing (92083)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 blood pressure75%
- Diabetes75%
- High cholesterol57%
- Chronic kidney disease38%
- Arthritis32%
- Ischemic heart disease20%
Hospitals where Nadezhda Bolton works
Medicare's Facility Affiliation Data lists Nadezhda Bolton 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.
- Sells HospitalSells, AZ · Acute Care Hospital · Emergency services: listed by Medicare · CCN 030074
Practice locations
Addresses where Nadezhda Bolton is enrolled with Medicare (CMS data updated October 2, 2026).
- 7900 S J Stock RdTucson, AZ 85746 (520) 547‑8142
- Highway 86 at Topawa Rd, Sells Indian HospitalSells, AZ 85634 (520) 383‑7285
- Hwy 86 and Topawa RdSells, AZ 85634
Group practices
Medicare enrollment lists Nadezhda Bolton as a member of these groups (CMS data updated October 2, 2026).
- Ton Sells Hospital52 clinicians in the group
- Ton San Xavier Health Center24 clinicians in the group
Specialties
- Ophthalmologyprimary
Other ophthalmologists in Tucson
Clinicians with the same Medicare primary specialty in Tucson, AZ — not a recommendation.
Other clinicians in Ton Sells Hospital
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | DO |
|---|---|
| Medical school | Pacific Nw Un Of Hs, Col Of Osteopathic Medicine |
| Graduation year | 2016 (10 years since medical school) |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1689037509 |
| 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