NPPES file of Aug 9, 2026

Katharine D. Deiss, M.D.

Internal Medicine Physician · Rochester, NY

Katharine D. Deiss, M.D. is an internal medicine physician with a practice address in Rochester, New York, and NPI 1851320204, issued on Jun 30, 2006. Check the license (New York 236626, 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, file of Aug 9, 2026 · Medicare files 2023 and 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1851320204
Name
Katharine D. Deiss
Credential
M.D.
Primary taxonomy
Internal Medicine Physician 207R00000X
License number
236626 NY
Self-reported in NPPES; status is on the state search
Practice location
10 S Pointe Lndg, Rochester, NY 14606
Phone
(585) 723-3330
Enumerated
Jun 30, 2006
Record last updated
Jul 5, 2023
Fax
(585) 723-0555
Medicaid ID
02359346 NY
Medicare enrollment
Enrolled (PECOS I20051004000903); accepts Medicare assignment
Medical or professional school
University Of Utah School Of Medicine, 1989
Telehealth
Offers telehealth (CMS)
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 10 S Pointe Lndg

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

  1. Lauren Begy, PT, DPTOrthopedic Physical Therapist1942083886
  2. Jeffrey Debellis, ATCAthletic Trainer1629683933
  3. Emily Gunther, ATC, CSCSAthletic Trainer1497020176
  4. Teresa HussAthletic Trainer1649005463
  5. Rajat Jain, M.D.Urology Physician1508152646
  6. Jillian Moore, M.D.Family Medicine Physician1558650663

Verify Katharine D. Deiss 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 236626
    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

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2.2 times the Medicare Part D claims of the average internal medicine physician in 2024

6,861 Medicare Part D claims for 443 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 10% of claims. 99 claims were for opioids.

  1. Katharine Deiss6,861
  2. Specialty average3,176

Most prescribed

  1. Atorvastatin Calcium539 claims
  2. Gabapentin360 claims
  3. Lisinopril318 claims
  4. Levothyroxine Sodium248 claims
  5. Amlodipine Besylate227 claims
  6. Pantoprazole Sodium227 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): 76.8 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.

  1. Qualityout of 100 · 30% of the final score68.2
  2. Costout of 100 · 30%42.7
  3. Promoting interoperabilityout of 100 · 25%100.0
  4. Improvement activities40 of 40 points · 15%100.0

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

Bills Medicare through one group practice

  1. Highland Hospital OF RochesterPittsford, NY

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

504 internal medicine physician records list a practice address in Rochester

They are 504 of the 20,520 NPPES records with a practice address in Rochester, and 12,067 internal medicine physician records in New York.

Other internal medicine physician records in New York

  1. Deborah Aanonsen, D.O.Staten Island, NY1952395717
  2. Nivedita Aanur, M.D.New York, NY1982833471
  3. Jay Aaron, MDGreat Neck, NY1245332956
  4. Ahmad AbadiPoughkeepsie, NY1780258517
  5. Jamsheed Abadi, MDBrooklyn, NY1477537496
  6. Antonieta Abarientos, MDNew Rochelle, NY1649285123
  7. Zurab Abayev, M.D.Brooklyn, NY1841283058
  8. Ehab Abaza, MDNew York, NY1114507555
  9. Vaidarshi Abbagoni, MDNew York, NY1871237495
  10. Muhammad AbbasRichmond Hill, NY1053996587

Common questions

What is Katharine D. Deiss, M.D.'s NPI number?

Katharine D. Deiss, M.D.'s National Provider Identifier (NPI) is 1851320204, issued on Jun 30, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Katharine D. Deiss, M.D. located?

The NPPES record lists a practice address at 10 S Pointe Lndg, Rochester, NY, 14606. Phone: (585) 723-3330. Providers update this record themselves, so call before visiting.

How can I verify Katharine D. Deiss, M.D.'s license?

NPPES lists New York license number 236626, 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 Katharine D. Deiss, M.D. prescribe under Medicare Part D?

In 2024, Katharine D. Deiss, M.D. had 6,861 Medicare Part D claims for 443 beneficiaries; the average among internal medicine physician prescribers was 3,176. Part D covers Medicare prescriptions only.

What is Katharine D. Deiss, M.D.'s MIPS final score?

The 2023 MIPS final score is 76.8 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.