Marc I. Sandberg, MD
Endocrinology, Diabetes & Metabolism Physician · Flemington, NJ
Marc I. Sandberg, MD is an endocrinology, diabetes & metabolism physician with a practice address in Flemington, New Jersey, and NPI 1770557837, issued on Feb 15, 2006. Check the license (New Jersey MA07135000, as entered in NPPES) on the New Jersey State Board of Medical Examiners; the Medicare figures below come from public CMS files.
- Name
- Marc I. Sandberg
- Credential
- MD
- Primary taxonomy
- Endocrinology, Diabetes & Metabolism Physician 207RE0101X
- License number
- MA07135000 NJ
Self-reported in NPPES; status is on the state search - Practice location
- 9100 Wescott Dr, Flemington, NJ 08822
- Phone
- (908) 237-6900
- Enumerated
- Feb 15, 2006
- Record last updated
- Dec 24, 2015 (not updated in 11 years: call before relying on the address or phone)
- Fax
- (908) 237-6995
- Medicaid ID
- 8441006 NJ
- Medicare enrollment
- Enrolled (PECOS I20051020000889); accepts Medicare assignment
- Medical or professional school
- Temple University School Of Medicine, 1990
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest endocrinology, diabetes & metabolism physician records → All 417 in New Jersey → Look up another NPI →
Also registered at 9100 Wescott Dr
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Martha Anderson, PAPhysician Assistant1033104815
- Stacey Bachrach, MDGeneral Practice Physician1508936428
- Paula Hazard, R.D.Registered Dietitian1841455466
- Deborah Kengeter, BS RD CDERegistered Dietitian1316096381
- Saima Khan, MDInternal Medicine Physician1881890416
- Dario Lecusay, MDFamily Medicine Physician1235103318
Verify Marc I. Sandberg 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 MA07135000Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
2.4 times the Medicare Part D claims of the average endocrinology, diabetes & metabolism physician in 2024
6,342 Medicare Part D claims for 682 beneficiaries, against an average of 2,630 among the 8,223 providers of this specialty who prescribed in Part D. Brand-name drugs were 65% of claims.
Most prescribed
- Ozempic486 claims
- Metformin Hcl428 claims
- Synthroid367 claims
- Trulicity321 claims
- Mounjaro318 claims
- Unithroid300 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 practice group's MIPS final score for 2023 (Medicare payment program): 80.5 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. 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, group reporting; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $84,176.69
240 payments; by number, the most common kind was food and beverage; the largest payer was Lilly USA, LLC. The 5,661 providers of this specialty with any payment received $5,742.15 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
- Hunterdon Specialty CareFlemington, NJ
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Marc I. Sandberg among 417 endocrinology, diabetes & metabolism physician records in New Jersey
Marc I. Sandberg, MD is one of 417 endocrinology, diabetes & metabolism physician records with a practice address in New Jersey. 85% 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 6% of them.
- NPI issued2006 · 6% of these records are older, 61% newer
- In a Medicare fileYes · 85% of these records are
- In the CMS Doctors and Clinicians fileYes · 75% of these records are
- Graduated1990 · median 2006 among the 313 with a school on file
- Record last updated2015 · 56% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RE0101X and a New Jersey practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Endocrinology, Diabetes & Metabolism Physician providers in New Jersey
There are 417 endocrinology, diabetes & metabolism physician records in New Jersey.
All 417 in New Jersey → Every provider in Flemington → Endocrinology, Diabetes & Metabolism Physician nationwide →
The 8 endocrinology, diabetes & metabolism physician records with the nearest ZIP codes
- Keith Friend, M.D.Flemington, NJ 088221255574760
- Lisha KallacherilFlemington, NJ 088221346726296
- Ritu Anand, M.D.Edison, NJ 088201255353512
- Vivek Bansal, M.D., MPH, FACEEdison, NJ 088201831369701
- Jonathan Dunn, MDEdison, NJ 088201124090881
- Usha Panicker, M.D.Edison, NJ 088201437131786
- Suketu Shah, MDEdison, NJ 088201124050570
- Ira Spiler, MDKendall Park, NJ 088241790876142
Common questions
What is Marc I. Sandberg, MD's NPI number?
Marc I. Sandberg, MD's National Provider Identifier (NPI) is 1770557837, issued on Feb 15, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Marc I. Sandberg, MD located?
The NPPES record lists a practice address at 9100 Wescott Dr, Flemington, NJ, 08822. Phone: (908) 237-6900. Providers update this record themselves, so call before visiting.
How can I verify Marc I. Sandberg, MD's license?
NPPES lists New Jersey license number MA07135000, 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 Marc I. Sandberg, MD prescribe under Medicare Part D?
In 2024, Marc I. Sandberg, MD had 6,342 Medicare Part D claims for 682 beneficiaries; the average among endocrinology, diabetes & metabolism physician prescribers was 2,630. Part D covers Medicare prescriptions only.
What is Marc I. Sandberg, MD's MIPS final score?
The 2023 MIPS final score is 80.5 of 100, reported for the practice group. 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.