Mark Henry Alon, M.D.
Hospitalist Physician · White Plains, NY
Mark Henry Alon, M.D. is a hospitalist physician with a practice address in White Plains, New York, and NPI 1972910164, issued on Jul 20, 2014. Check the license (New York 311716-01, as entered in NPPES) on the NYS Education Department, Office of the Professions; the Medicare figures below come from public CMS files.
- Name
- Mark Henry Alon
- Credential
- M.D.
- Primary taxonomy
- Hospitalist Physician 208M00000X
- License numbers
- 311716-01 NY
66871 WI
Self-reported in NPPES; status is on the state search - Practice location
- 41 E Post RD, White Plains, NY 10601
- Phone
- (914) 681-0600
- Enumerated
- Jul 20, 2014
- Record last updated
- Jan 9, 2026
- Medicare enrollment
- Enrolled (PECOS I20210920002023); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest hospitalist physician records → All 2,067 in New York → Look up another NPI →
Also registered at 41 E Post RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Mark Henry Alon 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 311716-01Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
75% fewer Medicare Part D claims than the average hospitalist physician in 2024
132 Medicare Part D claims for 46 beneficiaries, against an average of 521 among the 21,613 providers of this specialty who prescribed in Part D. Brand-name drugs were 17% of claims.
Most prescribed
- Amlodipine Besylate14 claims
- Cefpodoxime Proxetil12 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.
Industry payments in 2024: $23.88
1 payment: food and beverage; the largest payer was Janssen Pharmaceuticals, Inc. The 7,324 providers of this specialty with any payment received $494.84 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 2 group practices
- East Post Road Medical Services PCWhite Plains, NY
- Icahn School OF Medicine AT Mount SinaiNew York, NY
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Mark Henry Alon among 2,067 hospitalist physician records in New York
Mark Henry Alon, M.D. is one of 2,067 hospitalist physician records with a practice address in New York. 93% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2014, is newer than 44% of them.
- NPI issued2014 · 44% of these records are older, 52% newer
- In a Medicare fileYes · 93% of these records are
- In the CMS Doctors and Clinicians fileYes · 83% of these records are
- Graduated2009 · median 2013 among the 1,716 with a school on file
- Record last updated2026 · 37% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 208M00000X and a New York practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Hospitalist Physician providers in New York
There are 2,067 hospitalist physician records in New York.
All 2,067 in New York → Every provider in White Plains → Hospitalist Physician nationwide →
The 8 hospitalist physician records with the nearest ZIP codes
- Daniela Bejinariu, M.D.White Plains, NY 106011386657633
- Peter Chu, D.OWhite Plains, NY 106011215360888
- Jiyon Chung, M.D.White Plains, NY 106011831309574
- Gina Cook, MDWhite Plains, NY 106011528454063
- Ernie Esquivel, MDWhite Plains, NY 106011194992446
- Kimberly Farrell, MDWhite Plains, NY 106011992191647
- Philip Huh, MDWhite Plains, NY 106011255573341
- Grace KimWhite Plains, NY 106011871910919
Common questions
What is Mark Henry Alon, M.D.'s NPI number?
Mark Henry Alon, M.D.'s National Provider Identifier (NPI) is 1972910164, issued on Jul 20, 2014. An NPI identifies a provider in billing; it is not a license.
Where is Mark Henry Alon, M.D. located?
The NPPES record lists a practice address at 41 E Post RD, White Plains, NY, 10601. Phone: (914) 681-0600. Providers update this record themselves, so call before visiting.
How can I verify Mark Henry Alon, M.D.'s license?
NPPES lists New York license number 311716-01, 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 Mark Henry Alon, M.D. prescribe under Medicare Part D?
In 2024, Mark Henry Alon, M.D. had 132 Medicare Part D claims for 46 beneficiaries; the average among hospitalist physician prescribers was 521. Part D covers Medicare prescriptions only.
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.