Robert Alexander, DO
Internal Medicine Physician · Massapequa, NY
Robert Alexander, DO is an internal medicine physician with a practice address in Massapequa, New York, and NPI 1912956301, issued on May 10, 2006. Check the license (New York 207736, as entered in NPPES) on the NYS Education Department, Office of the Professions; the Medicare figures below come from public CMS files.
- Name
- Robert Alexander
- Credential
- DO
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 207736 NY
Self-reported in NPPES; status is on the state search - Practice location
- 896 N Broadway, Massapequa, NY 11758
- Phone
- (516) 541-2233
- Enumerated
- May 10, 2006
- Entity
- Type 1 · individual
Also registered at 896 N Broadway
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Howard Knoll, DOInternal Medicine Physician1700994589
Verify Robert Alexander 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 207736Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS, AOA, NCCPA, AANPNot checked
57% more Medicare Part D claims than the average internal medicine physician in 2024
4,379 Medicare Part D claims for 548 beneficiaries, against an average of 2,785 among the 127,794 providers of this specialty who prescribed in Part D. Brand-name drugs were 8% of claims. 45 claims were for opioids.
Most prescribed
- Atorvastatin Calcium372 claims
- Rosuvastatin Calcium237 claims
- Amlodipine Besylate194 claims
- Levothyroxine Sodium185 claims
- Simvastatin132 claims
- Metoprolol Succinate109 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 Medicare quality score for 2023: 91.3 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).
One hospital or facility affiliation
- Northwell Healthcare IncMassapequa, NY
Source: CMS Doctors and Clinicians affiliations; Hospital General Information (Care Compare) (data.cms.gov). Star ratings are CMS hospital ratings, not ratings of this provider.
26 internal medicine physician records list a Massapequa practice address
They are 26 of the 1,195 NPPES records with a Massapequa practice address, and 13,725 internal medicine physician records in New York.
All 26 in Massapequa → All 13,725 in New York → Every provider in Massapequa →
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 Robert Alexander, DO's NPI number?
Robert Alexander, DO's National Provider Identifier (NPI) is 1912956301, issued on May 10, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Robert Alexander, DO located?
The NPPES record lists a practice address at 896 N Broadway, Massapequa, NY, 11758. Phone: (516) 541-2233. Providers update this record themselves, so call before visiting.
How can I verify Robert Alexander, DO's license?
NPPES lists New York license number 207736, 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 Robert Alexander, DO prescribe under Medicare Part D?
In 2024, Robert Alexander, DO had 4,379 Medicare Part D claims for 548 beneficiaries; the average among internal medicine physician prescribers was 2,785. Part D covers Medicare prescriptions only.
What is Robert Alexander, DO's Medicare quality score?
The 2023 MIPS final score is 91.3 of 100. The average among 454,083 clinicians with a measured score was 83.5.
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.