Sandra Fernando Sieminski, M.D.
Ophthalmology Physician · Buffalo, NY
Sandra Fernando Sieminski, M.D. is an ophthalmology physician with a practice address in Buffalo, New York, and NPI 1578739793, issued on May 7, 2008. Check the license (New York 252535, as entered in NPPES) on the NYS Education Department, Office of the Professions; the Medicare figures below come from public CMS files.
- Name
- Sandra Fernando Sieminski
- Credential
- M.D.
- Primary taxonomy
- Ophthalmology Physician 207W00000X
- License number
- 252535 NY
Self-reported in NPPES; status is on the state search - Practice location
- 1176 Main St, Buffalo, NY 14209
- Phone
- (716) 881-7900
- Enumerated
- May 7, 2008
- Record last updated
- Mar 7, 2023
- Medicaid ID
- 03214899 NY
- Medicare enrollment
- Enrolled (PECOS I20100924000276); accepts Medicare assignment
- Medical or professional school
- University Of Pittsburgh School Of Medicine, 2005
- Entity
- Type 1 · individual
8 nearest ophthalmology physician records → All 1,822 in New York → Look up another NPI →
Also registered at 1176 Main St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Dmitriy BelousStudent in an Organized Health Care Education/Training Program1447947858
- Drew CurrieOptician1861744864
- Avani Dave, OD, FAAOCorneal and Contact Management Optometrist1285157966
- Natasha Gautam, M.D.Glaucoma Specialist (Ophthalmology) Physician1275117459
- Catherine JohnsonStudent in an Organized Health Care Education/Training Program1194576322
- Vaitheeswaran Ganesa Lalgudi, MDCornea and External Diseases Specialist Physician1093424715
Verify Sandra Fernando Sieminski in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersNYS Education Department, Office of the Professions
Search for license 252535Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
4.1 times the Medicare Part D claims of the average ophthalmology physician in 2024
6,247 Medicare Part D claims for 995 beneficiaries, against an average of 1,518 among the 16,459 providers of this specialty who prescribed in Part D. Brand-name drugs were 34% of claims.
Most prescribed
- Latanoprost1,755 claims
- Dorzolamide-Timolol914 claims
- Timolol Maleate490 claims
- Brimonidine Tartrate386 claims
- Lumigan370 claims
- Prednisolone Acetate351 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.
The practice group's MIPS final score for 2023 (Medicare payment program): 85.8 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $1,826.67
15 payments; by number, the most common kind was food and beverage; the largest payer was New World Medical,inc. 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.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through one group practice
- University Ophthalmology Services IncBuffalo, NY
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Sandra Fernando Sieminski among 1,822 ophthalmology physician records in New York
Sandra Fernando Sieminski, M.D. is one of 1,822 ophthalmology physician records with a practice address in New York. 79% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2008, is newer than 74% of them.
- NPI issued2008 · 74% of these records are older, 21% newer
- In a Medicare fileYes · 79% of these records are
- In the CMS Doctors and Clinicians fileYes · 67% of these records are
- Graduated2005 · median 1995 among the 1,215 with a school on file
- Record last updated2023 · 71% 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 New York practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Ophthalmology Physician providers in New York
There are 1,822 ophthalmology physician records in New York.
All 1,822 in New York → Every provider in Buffalo → Ophthalmology Physician nationwide →
The 8 ophthalmology physician records with the nearest ZIP codes
- John Lillvis, M.D.Buffalo, NY 142091558625293
- Brian Madow, MDBuffalo, NY 142091225187271
- Ruth Mattern, MDBuffalo, NY 142091790719227
- Sangita Patel, M.D.Buffalo, NY 142091093792483
- Andrew Pilling, MDBuffalo, NY 142091558920249
- Andrew Reynolds, MDBuffalo, NY 142091508156746
- Jamie Schaefer, M.D.Buffalo, NY 142091538401799
- Theodore Prawak, M.D.Buffalo, NY 142111144334053
Common questions
What is Sandra Fernando Sieminski, M.D.'s NPI number?
Sandra Fernando Sieminski, M.D.'s National Provider Identifier (NPI) is 1578739793, issued on May 7, 2008. An NPI identifies a provider in billing; it is not a license.
Where is Sandra Fernando Sieminski, M.D. located?
The NPPES record lists a practice address at 1176 Main St, Buffalo, NY, 14209. Phone: (716) 881-7900. Providers update this record themselves, so call before visiting.
How can I verify Sandra Fernando Sieminski, M.D.'s license?
NPPES lists New York license number 252535, as entered by the provider. Search the NYS Education Department, Office of the Professions at https://www.op.nysed.gov/services/verifications/online-verification-searches. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Sandra Fernando Sieminski, M.D. prescribe under Medicare Part D?
In 2024, Sandra Fernando Sieminski, M.D. had 6,247 Medicare Part D claims for 995 beneficiaries; the average among ophthalmology physician prescribers was 1,518. Part D covers Medicare prescriptions only.
What is Sandra Fernando Sieminski, M.D.'s MIPS final score?
The 2023 MIPS final score is 85.8 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.
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.