Paul Chang, M.D.
Internal Medicine Physician · Brewster, NY
Paul Chang, M.D. is an internal medicine physician with a practice address in Brewster, New York, and NPI 1285611566, issued on Dec 28, 2005. Check the license (New York 099735, as entered in NPPES) on the NYS Education Department, Office of the Professions; the Medicare figures below come from public CMS files.
- Name
- Paul Chang
- Credential
- M.D.
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 099735 NY
Self-reported in NPPES; status is on the state search - Practice location
- 111 Clocktower Commons, Brewster, NY 10509
- Phone
- (845) 279-5187
- Enumerated
- Dec 28, 2005
- Entity
- Type 1 · individual
Also registered at 111 Clocktower Commons
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Arun Agarwal, M.D.Pulmonary Disease Physician1073590493
- Joann Barbaro, LPNLicensed Practical Nurse1972813640
- Martha Bouchard, M.D.Internal Medicine Physician1467439893
- Izabela Kozicz, MDInternal Medicine Physician1760469118
- David Scuccimarra, M.D.General Practice Physician1922085232
- Heather Sloan, RNRegistered Nurse1912217969
Verify Paul Chang 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 099735Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS, AOA, NCCPA, AANPNot checked
99% fewer Medicare Part D claims than the average internal medicine physician in 2024
25 Medicare Part D claims, against an average of 2,785 among the 127,794 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of 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.
22 internal medicine physician records list a Brewster practice address
They are 22 of the 577 NPPES records with a Brewster practice address, and 13,725 internal medicine physician records in New York.
All 22 in Brewster → All 13,725 in New York → Every provider in Brewster →
Other internal medicine physician records in New York
- Deborah Aanonsen, D.O.Staten Island, NY1952395717
- Nivedita Aanur, M.D.New York, NY1982833471
- Jay Aaron, MDGreat Neck, NY1245332956
- Justin Aaron, MDNew York, NY1619243912
- Ahmad AbadiPoughkeepsie, NY1780258517
- Jamsheed Abadi, MDBrooklyn, NY1477537496
- Theophine Abakporo, M.D.Brooklyn, NY1972564813
- Antonieta Abarientos, MDNew Rochelle, NY1649285123
- Charles Abate, MDOssining, NY1720180003
- Vyachislav Abayev, M.D.Brooklyn, NY1437394574
Common questions
What is Paul Chang, M.D.'s NPI number?
Paul Chang, M.D.'s National Provider Identifier (NPI) is 1285611566, issued on Dec 28, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Paul Chang, M.D. located?
The NPPES record lists a practice address at 111 Clocktower Commons, Brewster, NY, 10509. Phone: (845) 279-5187. Providers update this record themselves, so call before visiting.
How can I verify Paul Chang, M.D.'s license?
NPPES lists New York license number 099735, 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 Paul Chang, M.D. prescribe under Medicare Part D?
In 2024, Paul Chang, M.D. had 25 Medicare Part D claims; the average among internal medicine physician prescribers was 2,785. Part D covers Medicare prescriptions only.
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.