Diane C. Schwartz, MD
Internal Medicine Physician · Old Tappan, NJ
Diane C. Schwartz, MD is an internal medicine physician with a practice address in Old Tappan, New Jersey, and NPI 1861400764, issued on Aug 4, 2006. Check the license (New Jersey MA072367, as entered in NPPES) on the New Jersey State Board of Medical Examiners; the Medicare figures below come from public CMS files.
- Name
- Diane C. Schwartz
- Credential
- MD
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- MA072367 NJ
Self-reported in NPPES; status is on the state search - Practice location
- 215 Old Tappan Road, Old Tappan, NJ 07675
- Phone
- (201) 666-1000
- Enumerated
- Aug 4, 2006
- Record last updated
- Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20050207000513); accepts Medicare assignment
- Medical or professional school
- State University Of New York Downstate Medical Center, 1992
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 4,632 in New Jersey → Look up another NPI →
Also registered at 215 Old Tappan Road
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Diane C. Schwartz 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 MA072367Check 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% more Medicare Part D claims than the average internal medicine physician in 2024
3,255 Medicare Part D claims for 336 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D.
Most prescribed
- Atorvastatin Calcium281 claims
- Levothyroxine Sodium256 claims
- Rosuvastatin Calcium219 claims
- Zolpidem Tartrate214 claims
- Losartan Potassium194 claims
- Amlodipine Besylate174 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.
Industry payments in 2024: $222.66
6 payments; by number, the most common kind was food and beverage; the largest payer was Optinose US, 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.
Bills Medicare through one group practice
- Medical Associates OF Englewood PCHarrington Park, NJ
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Diane C. Schwartz among 4,632 internal medicine physician records in New Jersey
Diane C. Schwartz, 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
- Graduated1992 · median 2000 among the 3,132 with a school on file
- Record last updated2007 · 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 Old Tappan
They are 5 of the 92 NPPES records with a practice address in Old Tappan, and 4,632 internal medicine physician records in New Jersey.
All 4,632 in New Jersey → Every provider in Old Tappan → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Saroj Amin, MDWestwood, NJ 076751407871791
- James Buirkle, MDOld Tappan, NJ 076751215041140
- Kimberly Anne Cooper, D.O.Westwood, NJ 076751780846915
- Arthur De Siimone, M.D.Old Tappan, NJ 076751114107497
- Sheila Fields, MDWestwood, NJ 076751649270240
- Joseph Hyon, DOWestwood, NJ 076751245281773
- Martin Pelavin, MDOld Tappan, NJ 076751386758217
- Victoria Perez, MDWestwood, NJ 076751578673257
Common questions
What is Diane C. Schwartz, MD's NPI number?
Diane C. Schwartz, MD's National Provider Identifier (NPI) is 1861400764, issued on Aug 4, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Diane C. Schwartz, MD located?
The NPPES record lists a practice address at 215 Old Tappan Road, Old Tappan, NJ, 07675. Phone: (201) 666-1000. Providers update this record themselves, so call before visiting.
How can I verify Diane C. Schwartz, MD's license?
NPPES lists New Jersey license number MA072367, 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 Diane C. Schwartz, MD prescribe under Medicare Part D?
In 2024, Diane C. Schwartz, MD had 3,255 Medicare Part D claims for 336 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.