Erik Ethan Gaal, DO
Internal Medicine Physician · Brooklyn, NY
Erik Ethan Gaal, DO is an internal medicine physician with a practice address in Brooklyn, New York, and NPI 1477295335, issued on Apr 11, 2022. Check the license (New York 336775, as entered in NPPES) on the NYS Education Department, Office of the Professions; the Medicare figures below come from public CMS files.
- Name
- Erik Ethan Gaal
- Credential
- DO
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 336775 NY
Self-reported in NPPES; status is on the state search - Practice location
- 121 Dekalb Ave, Brooklyn, NY 11201
- Phone
- (718) 250-6604
- Enumerated
- Apr 11, 2022
- Record last updated
- Jul 24, 2025
- Medicare enrollment
- Enrolled (PECOS I20250731004154); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 12,067 in New York → Look up another NPI →
Also registered at 121 Dekalb Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Sarah Afzal, DPMStudent in an Organized Health Care Education/Training Program1710730049
- Shardil AhmadStudent in an Organized Health Care Education/Training Program1780479972
Verify Erik Ethan Gaal 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 336775Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
88% fewer Medicare Part D claims than the average internal medicine physician in 2024
384 Medicare Part D claims for 69 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 26% of claims.
Most prescribed
- Atorvastatin Calcium34 claims
- Nifedipine Er20 claims
- Losartan Potassium18 claims
- Biktarvy17 claims
- Jardiance13 claims
- Albuterol Sulfate Hfa12 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 one group practice
- Nuvance Health Medical Practice PCCarmel, NY
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Erik Ethan Gaal among 12,067 internal medicine physician records in New York
Erik Ethan Gaal, DO is one of 12,067 internal medicine physician records with a practice address in New York. 79% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2022, is newer than 94% of them.
- NPI issued2022 · 94% of these records are older, 4% newer
- In a Medicare fileYes · 79% of these records are
- In the CMS Doctors and Clinicians fileYes · 60% of these records are
- Graduated2022 · median 2002 among the 7,221 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 207R00000X and a New York practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
1,497 internal medicine physician records list a practice address in Brooklyn
They are 1,497 of the 64,057 NPPES records with a practice address in Brooklyn, and 12,067 internal medicine physician records in New York.
All 12,067 in New York → Every provider in Brooklyn → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Sam Amirfar, M.D.Brooklyn, NY 112011497745962
- Lawrence Brown, MDBrooklyn, NY 112011760434039
- Joseph Burzynski, MD MPHBrooklyn, NY 112011205889979
- Nelly Cohen, MDBrooklyn, NY 112011780657189
- Carlota John-Hull, MDBrooklyn, NY 112011043261258
- Christine Kimble, MDBrooklyn, NY 112011285696260
- Matthew Lane, MDBrooklyn, NY 112011912968751
- Rajani Lowe, MDBrooklyn, NY 112011487613824
Common questions
What is Erik Ethan Gaal, DO's NPI number?
Erik Ethan Gaal, DO's National Provider Identifier (NPI) is 1477295335, issued on Apr 11, 2022. An NPI identifies a provider in billing; it is not a license.
Where is Erik Ethan Gaal, DO located?
The NPPES record lists a practice address at 121 Dekalb Ave, Brooklyn, NY, 11201. Phone: (718) 250-6604. Providers update this record themselves, so call before visiting.
How can I verify Erik Ethan Gaal, DO's license?
NPPES lists New York license number 336775, 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 Erik Ethan Gaal, DO prescribe under Medicare Part D?
In 2024, Erik Ethan Gaal, DO had 384 Medicare Part D claims for 69 beneficiaries; the average among internal medicine physician prescribers was 3,176. 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.