NPPES file of Aug 9, 2026

Ana Maria Colon Ramos, MD

Hematology & Oncology Physician · New York, NY

Ana Maria Colon Ramos, MD is a hematology & oncology physician with a practice address in New York, New York, and NPI 1164085445, issued on Apr 22, 2019. Check the license (New York 318064, as entered in NPPES) on the NYS Education Department, Office of the Professions; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1164085445
Name
Ana Maria Colon Ramos
Credential
MD
Primary taxonomy
Hematology & Oncology Physician 207RH0003X
License number
318064 NY
Self-reported in NPPES; status is on the state search
Practice location
500 W 181St St, New York, NY 10033
Phone
(855) 528-7322
Enumerated
Apr 22, 2019
Record last updated
Jul 16, 2025
Medicare enrollment
Enrolled (PECOS I20250417000308); accepts Medicare assignment
Telehealth
Offers telehealth (CMS)
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 500 W 181St St

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Rebecca Zweifler, MDHematology & Oncology Physician1295296960

Verify Ana Maria Colon Ramos in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersNYS Education Department, Office of the Professions
    Search for license 318064
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the New York license search

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99% fewer Medicare Part D claims than the average hematology & oncology physician in 2024

12 Medicare Part D claims, against an average of 877 among the 10,784 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of claims.

  1. Ana Colon Ramos12
  2. Specialty average877

Most prescribed

  1. Single Use Swab12 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.

Bills Medicare through 2 group practices

  1. North Shore Hematology Oncology Associates PCBronx, NY
  2. Westchester Medical Group, P.CPurchase, NY

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Ana Maria Colon Ramos among 1,163 hematology & oncology physician records in New York

Ana Maria Colon Ramos, MD is one of 1,163 hematology & oncology physician records with a practice address in New York. 83% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2019, is newer than 92% of them.

  • NPI issued2019 · 92% of these records are older, 5% newer
  • In a Medicare fileYes · 83% of these records are
  • In the CMS Doctors and Clinicians fileYes · 72% of these records are
  • Graduated2014 · median 2002 among the 833 with a school on file
  • Record last updated2025 · 61% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RH0003X and a New York practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Hematology & Oncology Physician providers in New York

There are 1,163 hematology & oncology physician records in New York.

The 8 hematology & oncology physician records with the nearest ZIP codes

  1. Rebecca Zweifler, MDNew York, NY 100331295296960
  2. Dow-Chung Chi, M.D.New York, NY 100321700047370
  3. Matthew Dallos, M.D.New York, NY 100321578825071
  4. Changchun Deng, M.D.New York, NY 100321396866034
  5. Robert Fine, M.D.New York, NY 100321255499935
  6. Gaston Jean-Louis, MDNew York, NY 100321730708959
  7. Daniel LeeNew York, NY 100321841589967
  8. Douglas Marks, M.D.New York, NY 100321083980189

Common questions

What is Ana Maria Colon Ramos, MD's NPI number?

Ana Maria Colon Ramos, MD's National Provider Identifier (NPI) is 1164085445, issued on Apr 22, 2019. An NPI identifies a provider in billing; it is not a license.

Where is Ana Maria Colon Ramos, MD located?

The NPPES record lists a practice address at 500 W 181St St, New York, NY, 10033. Phone: (855) 528-7322. Providers update this record themselves, so call before visiting.

How can I verify Ana Maria Colon Ramos, MD's license?

NPPES lists New York license number 318064, 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 Ana Maria Colon Ramos, MD prescribe under Medicare Part D?

In 2024, Ana Maria Colon Ramos, MD had 12 Medicare Part D claims; the average among hematology & oncology physician prescribers was 877. 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.