Sara L. Wallach, M.D.
Internal Medicine Physician · Trenton, NJ
Sara L. Wallach, M.D. is an internal medicine physician with a practice address in Trenton, New Jersey, and NPI 1144279779, issued on May 10, 2006. Check the license (New Jersey 25MA05698800, as entered in NPPES) on the New Jersey State Board of Medical Examiners; the Medicare figures below come from public CMS files.
- Name
- Sara L. Wallach
- Credential
- M.D.
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 25MA05698800 NJ
Self-reported in NPPES; status is on the state search - Practice location
- 601 Hamilton Ave, Trenton, NJ 08629
- Phone
- (609) 599-5050
- Enumerated
- May 10, 2006
- Record last updated
- Jun 19, 2014 (not updated in 12 years: call before relying on the address or phone)
- Fax
- (609) 599-4318
- Medicaid ID
- 6731309 NJ
- Medicare enrollment
- Enrolled (PECOS I20040810001383); accepts Medicare assignment
- Medical or professional school
- State University Of New York Downstate Medical Center, 1980
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 4,632 in New Jersey → Look up another NPI →
Also registered at 601 Hamilton Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Amoke Adams, RD, LDNRegistered Dietitian1184020059
- Rola AliStudent in an Organized Health Care Education/Training Program1184357055
- Theresa Baker, CRNFARegistered Nurse First Assistant1023386281
- Marcus BarnesElectroneurodiagnostic Specialist/Technologist1972167419
- Dennis Cleri, MD,FACP, FAAM, FIDSAInfectious Disease Physician1487760070
- Robert Colella, DOInternal Medicine Physician1073574869
Verify Sara L. Wallach 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 25MA05698800Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
95% fewer Medicare Part D claims than the average internal medicine physician in 2024
154 Medicare Part D claims for 59 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 11% of 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
- Capital Health Multispecialty GroupPennington, NJ
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Sara L. Wallach among 4,632 internal medicine physician records in New Jersey
Sara L. Wallach, M.D. 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
- Graduated1980 · median 2000 among the 3,132 with a school on file
- Record last updated2014 · 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).
96 internal medicine physician records list a practice address in Trenton
They are 96 of the 1,480 NPPES records with a practice address in Trenton, and 4,632 internal medicine physician records in New Jersey.
All 4,632 in New Jersey → Every provider in Trenton → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Robert Colella, DOTrenton, NJ 086291073574869
- Isaak Halegoua, MDTrenton, NJ 086291124076393
- Syed Hasan, D.O.Trenton, NJ 086291700402898
- Sheema Jalil, M.D.Trenton, NJ 086291336399963
- Sneha Kola, MDTrenton, NJ 086291538711692
- Nahid Memon, MDTrenton, NJ 086291962427922
- Julie Pantelick, D.O.Trenton, NJ 086291033303458
- Gopi Rana Mukkavilli, MDTrenton, NJ 086291962551242
Common questions
What is Sara L. Wallach, M.D.'s NPI number?
Sara L. Wallach, M.D.'s National Provider Identifier (NPI) is 1144279779, issued on May 10, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Sara L. Wallach, M.D. located?
The NPPES record lists a practice address at 601 Hamilton Ave, Trenton, NJ, 08629. Phone: (609) 599-5050. Providers update this record themselves, so call before visiting.
How can I verify Sara L. Wallach, M.D.'s license?
NPPES lists New Jersey license number 25MA05698800, 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 Sara L. Wallach, M.D. prescribe under Medicare Part D?
In 2024, Sara L. Wallach, M.D. had 154 Medicare Part D claims for 59 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.