Robert Spierer, MD
Internal Medicine Physician · Monroe Twp, NJ
Robert Spierer, MD is an internal medicine physician with a practice address in Monroe Twp, New Jersey, and NPI 1750466975, issued on Oct 26, 2006. Check the license (New Jersey MA031123, as entered in NPPES) on the New Jersey State Board of Medical Examiners; the Medicare figures below come from public CMS files.
- Name
- Robert Spierer
- Credential
- MD
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- MA031123 NJ
Self-reported in NPPES; status is on the state search - Practice location
- 369 Applegarth RD, Monroe Twp, NJ 08831
- Phone
- (609) 395-1900
- Enumerated
- Oct 26, 2006
- Record last updated
- May 21, 2012 (not updated in 14 years: call before relying on the address or phone)
- Fax
- (609) 395-1610
- Medicare enrollment
- Enrolled (PECOS I20120716000162); accepts Medicare assignment
- Medical or professional school
- Albert Einstein College Of Medicine Of Yeshiva University, 1971
- 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 Robert Spierer 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 MA031123Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
2.3 times the Medicare Part D claims of the average internal medicine physician in 2024
7,361 Medicare Part D claims for 387 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. 143 claims were for opioids.
Most prescribed
- Atorvastatin Calcium458 claims
- Levothyroxine Sodium314 claims
- Metoprolol Succinate212 claims
- Amlodipine Besylate198 claims
- Pantoprazole Sodium176 claims
- Alprazolam170 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): 24.4 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).
Robert Spierer among 4,632 internal medicine physician records in New Jersey
Robert Spierer, 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
- Graduated1971 · median 2000 among the 3,132 with a school on file
- Record last updated2012 · 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).
6 internal medicine physician records list a practice address in Monroe Twp
They are 6 of the 73 NPPES records with a practice address in Monroe Twp, and 4,632 internal medicine physician records in New Jersey.
All 4,632 in New Jersey → Every provider in Monroe Twp → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Osama Ghanem, M.DMonroe Township, NJ 088311689679565
- Timothy Gjenvick, M.D.Monroe Twp, NJ 088311003905498
- Richa Gopal, MDMonroe, NJ 088311235266867
- Linda Korman, MDMonroe Township, NJ 088311437290079
- Phyllis Kushins, M.D.Monroe Township, NJ 088311568400927
- Kaushal Nanavati, MDMonroe Twp, NJ 088311427074459
- Vineet Prasad, M.DMonroe Twp, NJ 088311609902493
- Tariq Rizvi, MDMonroe Township, NJ 088311447277918
Common questions
What is Robert Spierer, MD's NPI number?
Robert Spierer, MD's National Provider Identifier (NPI) is 1750466975, issued on Oct 26, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Robert Spierer, MD located?
The NPPES record lists a practice address at 369 Applegarth RD, Monroe Twp, NJ, 08831. Phone: (609) 395-1900. Providers update this record themselves, so call before visiting.
How can I verify Robert Spierer, MD's license?
NPPES lists New Jersey license number MA031123, 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 Robert Spierer, MD prescribe under Medicare Part D?
In 2024, Robert Spierer, MD had 7,361 Medicare Part D claims for 387 beneficiaries; the average among internal medicine physician prescribers was 3,176. Part D covers Medicare prescriptions only.
What is Robert Spierer, MD's MIPS final score?
The 2023 MIPS final score is 24.4 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.