Marc O. Tiller, M.D.
Specialist · Warwick, NY
Marc O. Tiller, M.D. is a specialist with a practice address in Warwick, New York, and NPI 1477880664, issued on Nov 9, 2009. Check the license (New York 2050577-1, as entered in NPPES) with the New York board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Marc O. Tiller
- Credential
- M.D.
- Primary taxonomy
- Specialist 174400000X
- License number
- 2050577-1 NY
Self-reported in NPPES; status is on the state search - Practice location
- 15 Maple Ave, Warwick, NY 10990
- Phone
- (845) 294-2006
- Enumerated
- Nov 9, 2009
- Record last updated
- Nov 9, 2009 (not updated in 17 years: call before relying on the address or phone)
- Fax
- (845) 615-1590
- Medicare enrollment
- Enrolled (PECOS I20100107000202); accepts Medicare assignment
- Medical or professional school
- University Of Missouri, Columbia School Of Medicine, 2002
- Entity
- Type 1 · individual
8 nearest specialist records → All 22,636 in New York → Look up another NPI →
Also registered at 15 Maple Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Ming Chiou, MDAnesthesiology Physician1255404976
- David Chu, MDEmergency Medicine Physician1801805726
- Kimberly Connelly, RNMaternal Newborn Registered Nurse1629942636
- Robert Dittmeier, MDEmergency Medicine Physician1194845966
- Amy Fotino, RN IBCLCLactation Consultant (Registered Nurse)1386027647
- Darby GinleyPhysical Therapist1114504651
Verify Marc O. Tiller in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich New York board licenses this profession
Search for license 2050577-1Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
The practice group's MIPS final score for 2023 (Medicare payment program): 82.9 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.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Bills Medicare through one group practice
- Ramapo Anesthesiologists, PCWarwick, NY
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Marc O. Tiller among 22,636 specialist records in New York
Marc O. Tiller, M.D. is one of 22,636 specialist records with a practice address in New York. 6% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2009, is newer than 12% of them.
- NPI issued2009 · 12% of these records are older, 87% newer
- In a Medicare fileYes · 6% of these records are
- In the CMS Doctors and Clinicians fileYes · 4% of these records are
- Graduated2002 · median 1990 among the 943 with a school on file
- Record last updated2009 · 73% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 174400000X and a New York practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
12 specialist records list a practice address in Warwick
They are 12 of the 304 NPPES records with a practice address in Warwick, and 22,636 specialist records in New York.
All 22,636 in New York → Every provider in Warwick → Specialist nationwide →
The 8 specialist records with the nearest ZIP codes
- Lisa AssaianteWarwick, NY 109901104176908
- Deborah BalsamoWarwick, NY 109901740543479
- Kristina Caiazzo-SikorskiWarwick, NY 109901043574635
- Susan Goodman, MS, BCBAWarwick, NY 109901881098408
- Laura GuddemiWarwick, NY 109901154677466
- Maria Hernandez, MS, ED; TSHHWarwick, NY 109901255694030
- Jean Lozoratis, ED.DWarwick, NY 109901992046916
- Victoria Meehan, OTR/LWarwick, NY 109901992958623
Common questions
What is Marc O. Tiller, M.D.'s NPI number?
Marc O. Tiller, M.D.'s National Provider Identifier (NPI) is 1477880664, issued on Nov 9, 2009. An NPI identifies a provider in billing; it is not a license.
Where is Marc O. Tiller, M.D. located?
The NPPES record lists a practice address at 15 Maple Ave, Warwick, NY, 10990. Phone: (845) 294-2006. Providers update this record themselves, so call before visiting.
How can I verify Marc O. Tiller, M.D.'s license?
NPPES lists New York license number 2050577-1, as entered by the provider. Search the New York board that licenses this profession; the NPPES record confirms identity only.
What is Marc O. Tiller, M.D.'s MIPS final score?
The 2023 MIPS final score is 82.9 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.