Registry data as of Aug 27, 2026

Karen Tan, MD

Otolaryngology Physician · Amsterdam, NY

Karen Tan, MD is an otolaryngology physician with a practice address in Amsterdam, New York, and NPI 1427129071, issued on Nov 13, 2006. Check the license (New York 183416, as entered in NPPES) on the NYS Education Department, Office of the Professions; the Medicare figures below come from public CMS files.

Record from CMS NPPES, loaded Aug 27, 2026 · Medicare files 2023 and 2024 · method · Verify with CMS →

NPPES recordas of Aug 27, 2026
1427129071
Name
Karen Tan
Credential
MD
Primary taxonomy
Otolaryngology Physician 207Y00000X
License number
183416 NY
Self-reported in NPPES; status is on the state search
Practice location
5010 State Highway 30, Amsterdam, NY 12010
Phone
(518) 842-8185
Enumerated
Nov 13, 2006
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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Also registered at 5010 State Highway 30

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

  1. Sabrina Bowie, FNPFamily Medicine Physician1316086127
  2. Alison Brown, D.C.Chiropractor1285739516
  3. Russell Cecil, M.D.,PH.D.Orthopaedic Surgery Physician1750371308
  4. Emily Etzkorn, M.D.Internal Medicine Physician1871554543
  5. Yvonne Fasone, R.P.A.-CMedical Physician Assistant1215949292
  6. Robert Fleming, P.T.Physical Therapist1275849606

Verify Karen Tan in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersNYS Education Department, Office of the Professions
    Search for license 183416
    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 New York 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.

10.7 times the Medicare Part D claims of the average otolaryngology physician in 2024

5,709 Medicare Part D claims for 845 beneficiaries, against an average of 536 among the 7,899 providers of this specialty who prescribed in Part D. Brand-name drugs were 4% of claims. 49 claims were for opioids.

  1. Karen Tan5,709
  2. Specialty average536

Most prescribed

  1. Fluticasone Propionate1,210 claims
  2. Montelukast Sodium697 claims
  3. Omeprazole676 claims
  4. Azelastine Hcl662 claims
  5. Prednisone477 claims
  6. Famotidine288 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 Medicare quality score for 2023: 37.3 of 100

The Merit-based Incentive Payment System score is reported for this clinician. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.

  1. Qualityout of 100 · 30% of the final score64.7
  2. Costout of 100 · 30%
  3. Promoting interoperabilityout of 100 · 25%
  4. Improvement activities0 of 40 points · 15%0.0

Source: CMS Quality Payment Program, MIPS performance year 2023; category weights for 2023 (qpp.cms.gov).

Industry payments in 2024: $1,261.41

36 payments, mostly food and beverage; the largest payer was Acclarent, Inc. The 6,168 providers of this specialty with any payment received $2,038.17 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Karen Tan$1,261.41
  2. Specialty average$2,038.17

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

Otolaryngology Physician providers in New York

There are 724 otolaryngology physician records in New York.

Other otolaryngology physician records in New York

  1. Michel Abboud, MDNew York, NY1619506573
  2. Allan Abramson, MDNew Hyde Park, NY1366513764
  3. Sara Abu GhanemBrooklyn, NY1114442621
  4. Benjamin Acker, D.O.Port Jefferson Station, NY1104057439
  5. Kayla Ackerman, MDOneida, NY1124525662
  6. Mayer Adler, MDBrooklyn, NY1144390014
  7. Nigar Ahmedli, MDRochester, NY1790164341
  8. Ayham Al Afif, MD, MSC. FRSCSBuffalo, NY1518582873
  9. Laila Al Masaoudi, MDBuffalo, NY1790263549
  10. Abdullah Alanazi, M.D.New York City, NY1184244709

Common questions

What is Karen Tan, MD's NPI number?

Karen Tan, MD's National Provider Identifier (NPI) is 1427129071, issued on Nov 13, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Karen Tan, MD located?

The NPPES record lists a practice address at 5010 State Highway 30, Amsterdam, NY, 12010. Phone: (518) 842-8185. Providers update this record themselves, so call before visiting.

How can I verify Karen Tan, MD's license?

NPPES lists New York license number 183416, 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 Karen Tan, MD prescribe under Medicare Part D?

In 2024, Karen Tan, MD had 5,709 Medicare Part D claims for 845 beneficiaries; the average among otolaryngology physician prescribers was 536. Part D covers Medicare prescriptions only.

What is Karen Tan, MD's Medicare quality score?

The 2023 MIPS final score is 37.3 of 100. The average among 454,083 clinicians with a measured score was 83.5.

Source: CMS National Plan and Provider Enumeration System (NPPES), loaded Aug 27, 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.

Every figure on PlainDoctor is rendered directly from the federal CMS NPPES registry, Medicare Part D, MIPS, and Open Payments records, no number is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 27, 2026.