NPPES file of Aug 9, 2026

Nadezhda Bolton, D.O

Ophthalmology Physician · Tucson, AZ

Nadezhda Bolton, D.O is an ophthalmology physician with a practice address in Tucson, Arizona, and NPI 1689037509, issued on Mar 29, 2016. Check the license (Arizona 008557, as entered in NPPES) on the Arizona Medical Board; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1689037509
Name
Nadezhda Bolton
Credential
D.O
Primary taxonomy
Ophthalmology Physician 207W00000X
License number
008557 AZ
Self-reported in NPPES; status is on the state search
Practice location
7900 S J Stock RD, Tucson, AZ 85746
Phone
(520) 383-7237
Enumerated
Mar 29, 2016
Record last updated
Sep 10, 2020 (not updated in 6 years: call before relying on the address or phone)
Medicare enrollment
Enrolled (PECOS I20201102001360); accepts Medicare assignment
Medical or professional school
Pacific Nw Un Of Hs, Col Of Osteopathic Medicine, 2016
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 7900 S J Stock RD

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Ruben Acuna, DDSPediatric Dentistry1972682813
  2. Stacie Addison, R.N.Registered Nurse1770741316
  3. Albert Adler, M.D.Pediatrics Physician1891875407
  4. Joy Alden, LCSWClinical Social Worker1154401776
  5. Joseph Allen, PHARM DPharmacist1376870089
  6. Christian Alvarez, O.D.Optometrist1851726905

Verify Nadezhda Bolton in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersArizona Medical Board
    Search for license 008557
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the Arizona license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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67% fewer Medicare Part D claims than the average ophthalmology physician in 2024

501 Medicare Part D claims for 93 beneficiaries, against an average of 1,518 among the 16,459 providers of this specialty who prescribed in Part D. Brand-name drugs were 57% of claims.

  1. Nadezhda Bolton501
  2. Specialty average1,518

Most prescribed

  1. Latanoprost109 claims
  2. Prednisolone Acetate67 claims
  3. Cyclosporine50 claims
  4. Dorzolamide-Timolol47 claims
  5. Brimonidine Tartrate44 claims
  6. Ketorolac Tromethamine44 claims

Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.

Industry payments in 2024: $23.38

1 payment: food and beverage; the largest payer was Glaukos Corporation. The 13,221 providers of this specialty with any payment received $4,535.02 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Nadezhda Bolton$23.38
  2. Specialty average$4,535.02

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

Bills Medicare through 2 group practices

  1. Ton San Xavier Health CenterTucson, AZ
  2. Ton Sells HospitalSells, AZ

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Nadezhda Bolton among 353 ophthalmology physician records in Arizona

Nadezhda Bolton, D.O is one of 353 ophthalmology physician records with a practice address in Arizona. 76% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2016, is newer than 84% of them.

  • NPI issued2016 · 84% of these records are older, 12% newer
  • In a Medicare fileYes · 76% of these records are
  • In the CMS Doctors and Clinicians fileYes · 63% of these records are
  • Graduated2016 · median 2000 among the 220 with a school on file
  • Record last updated2020 · 59% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207W00000X and a Arizona practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Ophthalmology Physician providers in Arizona

There are 353 ophthalmology physician records in Arizona.

The 8 ophthalmology physician records with the nearest ZIP codes

  1. Ronald Johnson, M.D.Tucson, AZ 857461467532309
  2. Paul Horwitz, M.D.Tucson, AZ 857431508861063
  3. Ricardo Couso, MDTucson, AZ 857411215428750
  4. Jason Jensen, M.D.Tucson, AZ 857411912433293
  5. Ajay Sanan, M.D.Tucson, AZ 857411295799369
  6. Christopher Seniw, MDTucson, AZ 857411669445987
  7. Lindsay Tavares, MDTucson, AZ 857411104056944
  8. Le Yu, M.D.Tucson, AZ 857411801080320

Common questions

What is Nadezhda Bolton, D.O's NPI number?

Nadezhda Bolton, D.O's National Provider Identifier (NPI) is 1689037509, issued on Mar 29, 2016. An NPI identifies a provider in billing; it is not a license.

Where is Nadezhda Bolton, D.O located?

The NPPES record lists a practice address at 7900 S J Stock RD, Tucson, AZ, 85746. Phone: (520) 383-7237. Providers update this record themselves, so call before visiting.

How can I verify Nadezhda Bolton, D.O's license?

NPPES lists Arizona license number 008557, as entered by the provider. Search the Arizona Medical Board at https://www.azmd.gov/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Nadezhda Bolton, D.O prescribe under Medicare Part D?

In 2024, Nadezhda Bolton, D.O had 501 Medicare Part D claims for 93 beneficiaries; the average among ophthalmology physician prescribers was 1,518. Part D covers Medicare prescriptions only.

Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.

Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.