Grant Ellsworth, MD
Infectious Disease Physician · New York, NY
Grant Ellsworth, MD is an infectious disease physician with a practice address in New York, New York, and NPI 1730455866, issued on Mar 22, 2012. Check the license (New York 291619, as entered in NPPES) on the NYS Education Department, Office of the Professions; the Medicare figures below come from public CMS files.
- Name
- Grant Ellsworth
- Credential
- MD
- Primary taxonomy
- Infectious Disease Physician 207RI0200X
- License number
- 291619 NY
Self-reported in NPPES; status is on the state search - Practice location
- 53 W 23RD St FL 6, New York, NY 10010
- Phone
- (212) 746-7204
- Enumerated
- Mar 22, 2012
- Record last updated
- Mar 13, 2018 (not updated in 8 years: call before relying on the address or phone)
- Fax
- (212) 746-7203
- Medicare enrollment
- Enrolled (PECOS I20181217000201); accepts Medicare assignment
- Medical or professional school
- Js Weill Medical College, Cornell University, 2018
- Entity
- Type 1 · individual
8 nearest infectious disease physician records → All 970 in New York → Look up another NPI →
Also registered at 53 W 23RD St FL 6
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Dana FantuzziFamily Nurse Practitioner1730988767
- Fiona Gispen, MDInfectious Disease Physician1710301189
- David Hankins, M.D., M.ED.Psychiatry Physician1942663075
- Monika Maclean, APRNAdult Health Nurse Practitioner1326565342
- Andrew Motzer, MDInternal Medicine Physician1841816915
- Emily Pearson-Beck, LMSWSocial Worker1336013838
Verify Grant Ellsworth 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 291619Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
66% fewer Medicare Part D claims than the average infectious disease physician in 2024
233 Medicare Part D claims for 32 beneficiaries, against an average of 689 among the 7,388 providers of this specialty who prescribed in Part D.
Most prescribed
- Biktarvy35 claims
- Lisinopril14 claims
- Amlodipine Besylate13 claims
- Pravastatin Sodium13 claims
- Atorvastatin Calcium12 claims
- Prezista11 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).
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).
Grant Ellsworth among 970 infectious disease physician records in New York
Grant Ellsworth, 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 2012, is newer than 75% of them.
- NPI issued2012 · 75% of these records are older, 21% newer
- In a Medicare fileYes · 78% of these records are
- In the CMS Doctors and Clinicians fileYes · 64% of these records are
- Graduated2018 · median 2002 among the 624 with a school on file
- Record last updated2018 · 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 New York → Infectious Disease Physician nationwide →
The 8 infectious disease physician records with the nearest ZIP codes
- Richard Cindrich, MDNew York, NY 100101942399837
- Fiona Gispen, MDNew York, NY 100101710301189
- Shalom Hirschman, M. D.New York, NY 100101487959862
- Howard Leaf, M.D.New York, NY 100101942253943
- Melanie Maslow, M.D.New York, NY 100101508819640
- Alma Richmond, M.D.New York, NY 100101356411391
- Michael Simberkoff, M.D.New York, NY 100101437122892
- Photini Sinnis, M.D.New York, NY 100101023134327
Common questions
What is Grant Ellsworth, MD's NPI number?
Grant Ellsworth, MD's National Provider Identifier (NPI) is 1730455866, issued on Mar 22, 2012. An NPI identifies a provider in billing; it is not a license.
Where is Grant Ellsworth, MD located?
The NPPES record lists a practice address at 53 W 23RD St FL 6, New York, NY, 10010. Phone: (212) 746-7204. Providers update this record themselves, so call before visiting.
How can I verify Grant Ellsworth, MD's license?
NPPES lists New York license number 291619, 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 Grant Ellsworth, MD prescribe under Medicare Part D?
In 2024, Grant Ellsworth, MD had 233 Medicare Part D claims for 32 beneficiaries; the average among infectious disease physician prescribers was 689. Part D covers Medicare prescriptions only.
What is Grant Ellsworth, 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.