TATYANA KEMARSKAYA, M.D.
Geriatric Medicine (Internal Medicine) Physician in ALLENTOWN, Pennsylvania. CMS National Plan and Provider Enumeration System profile including specialty classification, practice address, and Medicare prescribing data when reported.
What stands out: TATYANA KEMARSKAYA, M.D. filed 16 Medicare Part D claims in 2023 across ALLENTOWN, Pennsylvania. Every figure on this page comes straight from federal CMS records, with no proprietary rating applied.
TATYANA KEMARSKAYA, M.D. practices in an ABMS-board-eligible specialty but we don't have enough CMS-participation signals to confirm active board-certified status. Consult CertificationMatters.org (the official ABMS public lookup).
TATYANA KEMARSKAYA, M.D. at a glance
Quality data not reportedPrimary specialty
Medicare Part D claims
Specialty distribution in Pennsylvania
How Geriatric Medicine (Internal Medicine) Physician compares to other specialties among Pennsylvania providers
Geriatric Medicine (Internal Medicine) Physician share within Pennsylvania
Geriatric Medicine (Internal Medicine) Physician is one of the more visible NUCC categories in Pennsylvania
Each bar reflects the share of in-state providers whose primary NUCC taxonomy matches the specialty. Long tail of ~690 NUCC codes folded into "Other" to keep the comparison legible.
Specialty board-certification context
Estimated specialty board-certified rate — Geriatric Medicine (Internal Medicine) Physician (ABMS / AOA reference)
- Est. board-certified rate
- 78%
- Geriatric Medicine (Internal Medicine) Physician ABMS/AOA estimate
Est. board-certified rate (Geriatric Medicine (Internal Medicine) Physician) — ABMS / AOA estimate
Verify credentials
- Verify via ABMS free public lookup
- Verify via AOA osteopathic boards
- Specialty volume Geriatric Medicine (Internal Medicine) Physician US NPIs
Specialty board-certified rate — Geriatric Medicine (Internal Medicine) Physician estimate
Board certification through an ABMS or AOA member board signals voluntary post-licensure examination plus Maintenance of Certification cycles. CMS does not publish a per-provider board-certification field; the figure shown is the specialty-level estimated rate from ABMS / AOA reference data.
The Merit-based Incentive Payment System (MIPS) scores providers 0–100 across four performance categories: Quality, Cost, Promoting Interoperability, and Improvement Activities, weighted under 42 CFR §414.1380. Reporting is voluntary for many small practices, so absence of a MIPS score is not a quality signal.
Board certification through an ABMS or AOA member board signals voluntary post-licensure examination plus continuous Maintenance of Certification cycles. Verify any individual provider's status through certificationmatters.org (ABMS) or osteopathic.org (AOA).
TATYANA KEMARSKAYA, M.D. is a Geriatric Medicine (Internal Medicine) Physician provider practicing in ALLENTOWN, Pennsylvania, according to the CMS National Plan and Provider Enumeration System (NPPES). Credentials: M.D.. NPI: 1851371785. This profile includes practice location, specialty classification, and organizational affiliations from the CMS provider registry. Provider information is self-reported to CMS and updated monthly.
TATYANA KEMARSKAYA, M.D. appears in the CMS NPPES registry as a Geriatric Medicine (Internal Medicine) Physician provider holding M.D. credentials at 1627 CHEW ST, ALLENTOWN, PA, 18102, with a listed phone of (610) 969-3390. NPI 1851371785 was issued on 01/18/2006. Because NPPES data is self-reported by the provider and refreshed monthly, the address, phone, and specialty reflect what KEMARSKAYA most recently submitted to CMS rather than a vetted directory listing, which is why patients should always confirm the practice is still at this location before scheduling.
Medicare Part D records for calendar year 2023 show 16 prescription claims written by this provider, covering N/A Medicare beneficiaries and totaling roughly $584 in drug spend. These figures capture only Medicare Part D — commercial insurance, Medicaid, and cash-pay prescriptions are not included, and any drug-beneficiary cell under 11 is suppressed by CMS for patient privacy.
Geriatric Medicine (Internal Medicine) Physician is a narrow specialty nationwide, with 4,161 enrolled providers across 52 states and an average of 4,450 Part D claims per prescriber, so the context for interpreting these metrics differs meaningfully from a primary-care baseline. Important: PlainDoctor is a directory of publicly available government data, not medical advice, a malpractice database, or a quality rating. Inclusion here does not imply a recommendation, and absence of complaints or sanctions on this page does not mean none exist — always verify credentials through the NPPES NPI Registry, your state medical board, and the ABMS or AOA before making healthcare decisions.
Practice Address
Provider Details
| NPI | 1851371785 |
|---|---|
| Specialty | Geriatric Medicine (Internal Medicine) Physician |
| Credentials | M.D. |
| Gender | Female |
| NPI Issued | 01/18/2006 |
Verify this provider's license
PlainDoctor pulls this profile from the CMS NPPES public registry. Confirm TATYANA KEMARSKAYA, M.D.'s current license status, disciplinary history, and board certifications with the Pennsylvania State Board of Medicine in Pennsylvania before relying on this page for a clinical or care decision.
How we sourced this profile
License & disciplinary context — Pennsylvania PA-BOM 2023 annual report
Aggregate state board data only — NOT a determination of any individual provider's status. The figures below describe statewide disciplinary activity across all ~45K Pennsylvania medical licensees in 2023 — they are NOT specific to TATYANA KEMARSKAYA, M.D.. To verify TATYANA KEMARSKAYA, M.D.'s current license status, search the PA-BOM public license lookup directly, or check the Federation of State Medical Boards (FSMB) verification service.
PA-BOM publishes annual disciplinary statistics as part of public-record reporting under each state's Administrative Procedure Act. See the full breakdown by action type and year on the Pennsylvania disciplinary trends page. Cross-checked against FSMB U.S. Medical Regulatory Trends.
Medicare Part D Prescribing Data
CMS Medicare Part D prescriber-level data for calendar year 2023.
Prescribing Breakdown
- 30-Day Fills
- 16
- Total Day Supply
- 370
- Brand Drug Cost
- $0
- Generic Drug Cost
- $584
Patient Demographics
- Average Patient Age
- 75.3 years
- Avg HCC Risk Score
- 1.94
Top Prescribed Drugs (Medicare Part D)
Top drugs by claim count for calendar year 2023. Based on Medicare Part D data only.
| Drug | Claims |
|---|---|
| Lansoprazole | 12 |
* Counts below 11 are suppressed by CMS for patient privacy. Generic names shown where available from CMS Part D data.
Geriatric Medicine (Internal Medicine) Physician Overview
How TATYANA KEMARSKAYA, M.D. fits within the Geriatric Medicine (Internal Medicine) Physician landscape nationally.
TATYANA KEMARSKAYA, M.D.'s 16 claims are below the specialty average of 4,450.
Nearby Geriatric Medicine (Internal Medicine) Physician Providers in Pennsylvania
Other clinicians with the same primary specialty enrolled in Pennsylvania, drawn from the same CMS NPPES roster as KEMARSKAYA.
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Frequently Asked Questions
What is TATYANA KEMARSKAYA, M.D.'s specialty? ▼
How much does TATYANA KEMARSKAYA, M.D. prescribe under Medicare Part D? ▼
Where is TATYANA KEMARSKAYA, M.D. located? ▼
What is TATYANA KEMARSKAYA, M.D.'s NPI number? ▼
How many Geriatric Medicine (Internal Medicine) Physician providers are there in the US? ▼
What drugs does TATYANA KEMARSKAYA, M.D. prescribe most often? ▼
Does TATYANA KEMARSKAYA, M.D. accept Medicare? ▼
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Data Sources
- Provider Directory
- CMS National Plan and Provider Enumeration System (NPPES), download.cms.gov/nppes, updated monthly. Contains NPI, specialty, credentials, and practice location.
- Specialty Classification
- NUCC Health Care Provider Taxonomy (nucc.org), the industry standard for classifying provider specialties in Medicare and Medicaid billing.
- Prescribing Data
- CMS Medicare Part D Prescriber Public Use File (2023). Includes claims, drug costs, beneficiaries, and opioid prescribing rates.
- Limitations
- Provider data is self-reported to CMS. Prescribing data reflects Medicare Part D only and does not include commercial insurance, Medicaid, or cash prescriptions. Claims below 11 beneficiaries are suppressed by CMS for privacy.
See our complete data methodology for details on how we collect and process government data.
Data as of April 2026 (NPPES) / 2023 (Medicare Part D). Source: Centers for Medicare & Medicaid Services (CMS).
Disclaimer: Data from CMS NPPES and Medicare Part D. PlainDoctor does not rate or rank providers. Provider information is self-reported and may not be current. Always verify information directly with the provider. About · Methodology