NPPES file of Aug 9, 2026

Alexa Yuen, MD

Endocrinology, Diabetes & Metabolism Physician · Morristown, NJ

Alexa Yuen, MD is an endocrinology, diabetes & metabolism physician with a practice address in Morristown, New Jersey, and NPI 1639668155, issued on May 10, 2018. Check the license (New Jersey 25MA11773700, as entered in NPPES) on the New Jersey State Board of Medical Examiners; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1639668155
Name
Alexa Yuen
Credential
MD
Primary taxonomy
Endocrinology, Diabetes & Metabolism Physician 207RE0101X
License number
25MA11773700 NJ
Self-reported in NPPES; status is on the state search
Practice location
95 Madison Ave, Morristown, NJ 07960
Phone
(973) 775-5115
Enumerated
May 10, 2018
Record last updated
Sep 13, 2023
Fax
(973) 285-7617
Medicare enrollment
Enrolled (PECOS I20230927004154); accepts Medicare assignment
Telehealth
Offers telehealth (CMS)
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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8 nearest endocrinology, diabetes & metabolism physician records → All 417 in New Jersey → Look up another NPI →

Also registered at 95 Madison Ave

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Kenneth Adler, M.D,Hematology & Oncology Physician1922096916
  2. Carol Albers, CCC(A),FAAAAudiologist1326296054
  3. Valerie Allusson, MDInternal Medicine Physician1154386688
  4. Allison Armelino, AU.D.Audiologist1376228064
  5. Bruce Aronwald, D.O.Family Medicine Physician1154375467
  6. Sandra Berenhaus, M.A., CCC (A)Audiologist1982852265

Verify Alexa Yuen in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersNew Jersey State Board of Medical Examiners
    Search for license 25MA11773700    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the New Jersey license search

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74% fewer Medicare Part D claims than the average endocrinology, diabetes & metabolism physician in 2024

681 Medicare Part D claims for 178 beneficiaries, against an average of 2,630 among the 8,223 providers of this specialty who prescribed in Part D. Brand-name drugs were 57% of claims.

  1. Alexa Yuen681
  2. Specialty average2,630

Most prescribed

  1. Mounjaro147 claims
  2. Alendronate Sodium55 claims
  3. Levothyroxine Sodium45 claims
  4. Metformin Hcl Er40 claims
  5. Ozempic35 claims
  6. Lantus Solostar33 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

  1. Summit Medical Group PABerkeley Heights, NJ

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Alexa Yuen among 417 endocrinology, diabetes & metabolism physician records in New Jersey

Alexa Yuen, 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 2018, is newer than 89% of them.

  • NPI issued2018 · 89% of these records are older, 8% newer
  • In a Medicare fileYes · 85% of these records are
  • In the CMS Doctors and Clinicians fileYes · 75% of these records are
  • Graduated2018 · median 2006 among the 313 with a school on file
  • Record last updated2023 · 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 Morristown → Endocrinology, Diabetes & Metabolism Physician nationwide →

The 8 endocrinology, diabetes & metabolism physician records with the nearest ZIP codes

  1. Rachel Castaneda, M.D.Morristown, NJ 079601619051646
  2. Jajin Chon, M.D.Morristown, NJ 079601346320553
  3. Heather Greenberg, M.D.Morristown, NJ 079601407121684
  4. Debra Margulies, M.D.Morristown, NJ 079601134177918
  5. Robert Melfi, MDMorristown, NJ 079601346213998
  6. Andrew Parziale, MDMorristown, NJ 079601346638350
  7. Ronak PatelMorristown, NJ 079601821247354
  8. Nikoletta ProudanMorristown, NJ 079601437538279

Common questions

What is Alexa Yuen, MD's NPI number?

Alexa Yuen, MD's National Provider Identifier (NPI) is 1639668155, issued on May 10, 2018. An NPI identifies a provider in billing; it is not a license.

Where is Alexa Yuen, MD located?

The NPPES record lists a practice address at 95 Madison Ave, Morristown, NJ, 07960. Phone: (973) 775-5115. Providers update this record themselves, so call before visiting.

How can I verify Alexa Yuen, MD's license?

NPPES lists New Jersey license number 25MA11773700, 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 Alexa Yuen, MD prescribe under Medicare Part D?

In 2024, Alexa Yuen, MD had 681 Medicare Part D claims for 178 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), 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.

Written with AI tools from the named public files; every figure is computed from those files (how it is made).

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.