Joanna Tolin, MD
Endocrinology, Diabetes & Metabolism Physician · Pennington, NJ
Joanna Tolin, MD is an endocrinology, diabetes & metabolism physician with a practice address in Pennington, New Jersey, and NPI 1366768996, issued on Apr 7, 2010. Check the license on the New Jersey State Board of Medical Examiners; the Medicare figures below come from public CMS files.
- Name
- Joanna Tolin
- Credential
- MD
- Primary taxonomy
- Endocrinology, Diabetes & Metabolism Physician 207RE0101X
- License number
- MD448323 PA
Self-reported in NPPES; status is on the state search - Practice location
- 2 Capital Way Ste 290, Pennington, NJ 08534
- Phone
- (609) 303-4300
- Enumerated
- Apr 7, 2010
- Entity
- Type 1 · individual
Also registered at 2 Capital Way Ste 290
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Nazish Ahmad, M.DEndocrinology, Diabetes & Metabolism Physician1295098903
- Vivian Phung, APNNurse Practitioner1669804316
- Erin Saltzman, MDEndocrinology, Diabetes & Metabolism Physician1720033228
- Erika Villanueva, M.D.Endocrinology, Diabetes & Metabolism Physician1861718223
Verify Joanna Tolin in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersNew Jersey State Board of Medical ExaminersCheck the board
- 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS, AOA, NCCPA, AANPNot checked
4% more Medicare Part D claims than the average endocrinology, diabetes & metabolism physician in 2024
2,723 Medicare Part D claims for 304 beneficiaries, against an average of 2,630 among the 8,223 providers of this specialty who prescribed in Part D. Brand-name drugs were 53% of claims.
Most prescribed
- Levothyroxine Sodium295 claims
- Ozempic228 claims
- Metformin Hcl163 claims
- Nano 2nd Gen Pen Needle142 claims
- Metformin Hcl Er126 claims
- Lantus Solostar122 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 Medical GroupPennington, NJ
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
10 endocrinology, diabetes & metabolism physician records list a practice address in Pennington
They are 10 of the 739 NPPES records with a practice address in Pennington, and 417 endocrinology, diabetes & metabolism physician records in New Jersey.
All 10 in Pennington → All 417 in New Jersey → Every provider in Pennington →
Other endocrinology, diabetes & metabolism physician records in New Jersey
- Alice Abraham, M.D.Englewood, NJ1083857213
- Sonoo Advani, M.D.West Orange, NJ1982669123
- Rahul Agarwal, MDFair Lawn, NJ1083051676
- Karen Agersborg, DOCape May Court House, NJ1629069703
- Richard Agrin, MDNew Brunswick, NJ1316982689
- Nazish Ahmad, M.DPennington, NJ1295098903
- Sana Ahsun, MDPiscataway, NJ1265948459
- Eva AlbaClifton, NJ1841722568
- Hammam Alquadan, MBBSOld Bridge, NJ1366887549
- Ami Amin, M.D.Neptune, NJ1144674219
Common questions
What is Joanna Tolin, MD's NPI number?
Joanna Tolin, MD's National Provider Identifier (NPI) is 1366768996, issued on Apr 7, 2010. An NPI identifies a provider in billing; it is not a license.
Where is Joanna Tolin, MD located?
The NPPES record lists a practice address at 2 Capital Way Ste 290, Pennington, NJ, 08534. Phone: (609) 303-4300. Providers update this record themselves, so call before visiting.
How can I verify Joanna Tolin, MD's license?
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 Joanna Tolin, MD prescribe under Medicare Part D?
In 2024, Joanna Tolin, MD had 2,723 Medicare Part D claims for 304 beneficiaries; the average among endocrinology, diabetes & metabolism physician prescribers was 2,630. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), loaded Aug 27, 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 27, 2026.