Catherine Butkus Small, MD
Infectious Disease Physician · Valhalla, NY
Catherine Butkus Small, MD is an infectious disease physician with a practice address in Valhalla, New York, and NPI 1881617520, issued on Jul 25, 2006. Check the license (New York 136538, as entered in NPPES) on the NYS Education Department, Office of the Professions; the Medicare figures below come from public CMS files.
- Name
- Catherine Butkus Small
- Credential
- MD
- Primary taxonomy
- Infectious Disease Physician 207RI0200X
- License number
- 136538 NY
Self-reported in NPPES; status is on the state search - Practice location
- 100 Woods Road-Nymc, Valhalla, NY 10595
- Phone
- (914) 493-8865
- Enumerated
- Jul 25, 2006
- Record last updated
- Oct 10, 2014 (not updated in 12 years: call before relying on the address or phone)
- Fax
- (914) 594-4434
- Medicaid ID
- 00835667 NY
- Medicare enrollment
- Enrolled (PECOS I20100127000643); accepts Medicare assignment
- Medical or professional school
- New York Medical College, 1977
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest infectious disease physician records → All 970 in New York → Look up another NPI →
Verify Catherine Butkus Small 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 136538Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
88% fewer Medicare Part D claims than the average infectious disease physician in 2024
83 Medicare Part D claims for 11 beneficiaries, against an average of 689 among the 7,388 providers of this specialty who prescribed in Part D. Brand-name drugs were 86% of claims.
Most prescribed
- Biktarvy24 claims
- Genvoya12 claims
- Triumeq12 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 MIPS final score for 2023 (Medicare payment program): 100 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.
Source: CMS Quality Payment Program, MIPS performance year 2023; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $19.47
1 payment: food and beverage; the largest payer was Gilead Sciences, Inc. The 3,895 providers of this specialty with any payment received $4,362.19 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
- Weill Medical College OF CornellNew York, NY
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Catherine Butkus Small among 970 infectious disease physician records in New York
Catherine Butkus Small, MD is one of 970 infectious disease physician records with a practice address in New York. 78% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 7% of them.
- NPI issued2006 · 7% of these records are older, 54% newer
- In a Medicare fileYes · 78% of these records are
- In the CMS Doctors and Clinicians fileYes · 64% of these records are
- Graduated1977 · median 2002 among the 624 with a school on file
- Record last updated2014 · 63% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RI0200X and a New York practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Infectious Disease Physician providers in New York
There are 970 infectious disease physician records in New York.
All 970 in New York → Every provider in Valhalla → Infectious Disease Physician nationwide →
The 8 infectious disease physician records with the nearest ZIP codes
- Abhay Dhand, M.D.Valhalla, NY 105951851407712
- Jaishvi Eapen, M.D.Valhalla, NY 105951265811954
- Marc El Khoury, MDValhalla, NY 105951083825996
- Nahid ElbaggariValhalla, NY 105951386439446
- Zachary Fleischner, MDValhalla, NY 105951104204189
- Alexander Hrycko, M.D.Valhalla, NY 105951457807729
- Marina Keller, MDValhalla, NY 105951194075549
- Bettina KnollValhalla, NY 105951184766867
Common questions
What is Catherine Butkus Small, MD's NPI number?
Catherine Butkus Small, MD's National Provider Identifier (NPI) is 1881617520, issued on Jul 25, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Catherine Butkus Small, MD located?
The NPPES record lists a practice address at 100 Woods Road-Nymc, Valhalla, NY, 10595. Phone: (914) 493-8865. Providers update this record themselves, so call before visiting.
How can I verify Catherine Butkus Small, MD's license?
NPPES lists New York license number 136538, 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 Catherine Butkus Small, MD prescribe under Medicare Part D?
In 2024, Catherine Butkus Small, MD had 83 Medicare Part D claims for 11 beneficiaries; the average among infectious disease physician prescribers was 689. Part D covers Medicare prescriptions only.
What is Catherine Butkus Small, MD's MIPS final score?
The 2023 MIPS final score is 100 of 100. 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.