Ronald David Weiss, MD
Internal Medicine Physician · Long Valley, NJ
Ronald David Weiss, MD is an internal medicine physician with a practice address in Long Valley, New Jersey, and NPI 1215047386, issued on Aug 30, 2006. Check the license (New Jersey 25MA05838700, as entered in NPPES) on the New Jersey State Board of Medical Examiners; the Medicare figures below come from public CMS files.
- Name
- Ronald David Weiss
- Credential
- MD
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 25MA05838700 NJ
Self-reported in NPPES; status is on the state search - Practice location
- 177 West Mill RD, Long Valley, NJ 07853
- Phone
- (908) 867-0060
- Enumerated
- Aug 30, 2006
- Record last updated
- Nov 3, 2025
- Fax
- (908) 867-0059
- Medicare enrollment
- Enrolled (PECOS I20040830000350); accepts Medicare assignment
- Medical or professional school
- Rutgers New Jersey Medical School, 1988
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 4,632 in New Jersey → Look up another NPI →
Verify Ronald David Weiss in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersNew Jersey State Board of Medical Examiners
Search for license 25MA05838700Check 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
371 Medicare Part D claims for 251 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D.
Most prescribed
- Fluticasone Propionate68 claims
- Levothyroxine Sodium37 claims
- Paxlovid28 claims
- Prednisone26 claims
- Nitrofurantoin Mono-Macro23 claims
- Ofloxacin16 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
- Summit Medical Group PABerkeley Heights, NJ
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Ronald David Weiss among 4,632 internal medicine physician records in New Jersey
Ronald David Weiss, MD is one of 4,632 internal medicine physician records with a practice address in New Jersey. 82% 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, 50% newer
- In a Medicare fileYes · 82% of these records are
- In the CMS Doctors and Clinicians fileYes · 68% of these records are
- Graduated1988 · median 2000 among the 3,132 with a school on file
- Record last updated2025 · 63% 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 Jersey practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
5 internal medicine physician records list a practice address in Long Valley
They are 5 of the 101 NPPES records with a practice address in Long Valley, and 4,632 internal medicine physician records in New Jersey.
All 4,632 in New Jersey → Every provider in Long Valley → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Alan Glicklich, MDLong Valley, NJ 078531801191697
- Ping Liu, M.D.Long Valley, NJ 078531578723615
- Dimple Patel, M.D.Long Valley, NJ 078531083791834
- Robert Werner, DOLong Valley, NJ 078531174558225
- Enrico Orlandoni, D.O.Lake Hopatcong, NJ 078491659340107
- Paul Wichman, MDNetcong, NJ 078571760534879
- Nick Debitetto, D.O.Newton, NJ 078601083692933
- Anthony Delsardo, M.D.Newton, NJ 078601154308203
Common questions
What is Ronald David Weiss, MD's NPI number?
Ronald David Weiss, MD's National Provider Identifier (NPI) is 1215047386, issued on Aug 30, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Ronald David Weiss, MD located?
The NPPES record lists a practice address at 177 West Mill RD, Long Valley, NJ, 07853. Phone: (908) 867-0060. Providers update this record themselves, so call before visiting.
How can I verify Ronald David Weiss, MD's license?
NPPES lists New Jersey license number 25MA05838700, as entered by the provider. Search the New Jersey State Board of Medical Examiners at https://newjersey.mylicense.com/verification/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Ronald David Weiss, MD prescribe under Medicare Part D?
In 2024, Ronald David Weiss, MD had 371 Medicare Part D claims for 251 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.