Leonard Arthur Berlin, DO
Internal Medicine Physician · Copiague, NY
Leonard Arthur Berlin, DO is an internal medicine physician with a practice address in Copiague, New York, and NPI 1174623367, issued on Sep 25, 2006. Check the license (New York 121933D, as entered in NPPES) on the NYS Education Department, Office of the Professions; the Medicare figures below come from public CMS files.
- Name
- Leonard Arthur Berlin
- Credential
- DO
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 121933D NY
Self-reported in NPPES; status is on the state search - Practice location
- 180 Great Neck Road, Copiague, NY 11726
- Phone
- (631) 842-0770
- Enumerated
- Sep 25, 2006
- Record last updated
- Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
- Fax
- (631) 842-6105
- Medicare enrollment
- Enrolled (PECOS I20110316000206); may accept Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 12,067 in New York → Look up another NPI →
Verify Leonard Arthur Berlin 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 121933DCheck the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
98% fewer Medicare Part D claims than the average internal medicine physician in 2024
52 Medicare Part D claims, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of claims.
Most prescribed
- Atorvastatin Calcium12 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.
Leonard Arthur Berlin among 12,067 internal medicine physician records in New York
Leonard Arthur Berlin, 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 2006, is newer than 8% of them.
- NPI issued2006 · 8% of these records are older, 53% newer
- In a Medicare fileYes · 79% of these records are
- In the CMS Doctors and Clinicians fileYes · 60% of these records are
- Graduated1973 · median 2002 among the 7,221 with a school on file
- Record last updated2007 · 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).
Internal Medicine Physician providers in New York
There are 12,067 internal medicine physician records in New York.
All 12,067 in New York → Every provider in Copiague → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Krzysztof Sygnarowicz, M.D.Copiague, NY 117261982775326
- Jahan Aghalar, M.D.Commack, NY 117251346474517
- Sana Ahmad, DOCoram, NY 117271811492648
- Marc Allen, DOCommack, NY 117251356309892
- Richard Balter, MDCommack, NY 117251689766537
- Shamim Begum, MDCommack, NY 117251659431039
- Mariamma Chelagiri, MDCommack, NY 117251104880392
- Avni Desai, M.D.Commack, NY 117251104010149
Common questions
What is Leonard Arthur Berlin, DO's NPI number?
Leonard Arthur Berlin, DO's National Provider Identifier (NPI) is 1174623367, issued on Sep 25, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Leonard Arthur Berlin, DO located?
The NPPES record lists a practice address at 180 Great Neck Road, Copiague, NY, 11726. Phone: (631) 842-0770. Providers update this record themselves, so call before visiting.
How can I verify Leonard Arthur Berlin, DO's license?
NPPES lists New York license number 121933D, 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 Leonard Arthur Berlin, DO prescribe under Medicare Part D?
In 2024, Leonard Arthur Berlin, DO had 52 Medicare Part D claims; 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.