Jeffrey Neal Elfenbein, D.O.
Internal Medicine Physician · Seaford, NY
Jeffrey Neal Elfenbein, D.O. is an internal medicine physician with a practice address in Seaford, New York, and NPI 1043308695, issued on Oct 10, 2006. Check the license (New York 196802, as entered in NPPES) on the NYS Education Department, Office of the Professions; the Medicare figures below come from public CMS files.
- Name
- Jeffrey Neal Elfenbein
- Credential
- D.O.
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 196802 NY
Self-reported in NPPES; status is on the state search - Practice location
- 3921 Merrick RD, Seaford, NY 11783
- Phone
- (516) 785-0660
- Enumerated
- Oct 10, 2006
- Record last updated
- Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
- Fax
- (516) 785-1099
- Medicaid ID
- 01607712 NY
- Medicare enrollment
- Enrolled (PECOS I20041221000014); accepts Medicare assignment
- Medical or professional school
- Philadelphia College Of Osteopathic Medicine, 1990
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 12,067 in New York → Look up another NPI →
Also registered at 3921 Merrick RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Frances Ward, ODOptometrist1659364818
Verify Jeffrey Neal Elfenbein 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 196802Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
2.2 times the Medicare Part D claims of the average internal medicine physician in 2024
7,139 Medicare Part D claims for 896 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 12% of claims. 102 claims were for opioids.
Most prescribed
- Atorvastatin Calcium547 claims
- Levothyroxine Sodium405 claims
- Amlodipine Besylate348 claims
- Losartan Potassium309 claims
- Metoprolol Succinate250 claims
- Rosuvastatin Calcium211 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 MIPS final score for 2023 (Medicare payment program): 90.9 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).
Industry payments in 2024: $1,950.42
90 payments; by number, the most common kind was food and beverage; the largest payer was Abbvie Inc. The 50,334 providers of this specialty with any payment received $1,303.06 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.
Jeffrey Neal Elfenbein among 12,067 internal medicine physician records in New York
Jeffrey Neal Elfenbein, D.O. 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
- Graduated1990 · 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 Seaford → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Maroof Ali, D.O.Seaford, NY 117831326467184
- Geri Digiovanna, D.O.Seaford, NY 117831235141953
- Charles Bleecher, MDSelden, NY 117841134117989
- Sophia Boulukos, M.DSayville, NY 117821922259878
- Philip Labarbera, MDSayville, NY 117821356347181
- Alfonso Tan, M.D.Sayville, NY 117821588689566
- Patricia Webley-Bethune, M.D.Selden, NY 117841518962000
- Michael Winter, M.D.Sayville, NY 117821235459009
Common questions
What is Jeffrey Neal Elfenbein, D.O.'s NPI number?
Jeffrey Neal Elfenbein, D.O.'s National Provider Identifier (NPI) is 1043308695, issued on Oct 10, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Jeffrey Neal Elfenbein, D.O. located?
The NPPES record lists a practice address at 3921 Merrick RD, Seaford, NY, 11783. Phone: (516) 785-0660. Providers update this record themselves, so call before visiting.
How can I verify Jeffrey Neal Elfenbein, D.O.'s license?
NPPES lists New York license number 196802, 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 Jeffrey Neal Elfenbein, D.O. prescribe under Medicare Part D?
In 2024, Jeffrey Neal Elfenbein, D.O. had 7,139 Medicare Part D claims for 896 beneficiaries; the average among internal medicine physician prescribers was 3,176. Part D covers Medicare prescriptions only.
What is Jeffrey Neal Elfenbein, D.O.'s MIPS final score?
The 2023 MIPS final score is 90.9 of 100. The average among 454,083 clinicians with a measured score was 83.5.
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.