NPPES file of Aug 9, 2026

Hagen Yang, MD

Neurology Physician · Braintree, MA

Hagen Yang, MD is a neurology physician with a practice address in Braintree, Massachusetts, and NPI 1902015266, issued on May 22, 2007. Check the license (Massachusetts 242409, as entered in NPPES) on the Massachusetts Board of Registration in Medicine; 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
1902015266
Name
Hagen Yang
Credential
MD
Primary taxonomy
Neurology Physician 2084N0400X
License number
242409 MA
Self-reported in NPPES; status is on the state search
Practice location
111 Grossman Dr, Braintree, MA 02184
Phone
(781) 849-2265
Enumerated
May 22, 2007
Record last updated
Jan 8, 2021 (not updated in 5 years: call before relying on the address or phone)
Fax
(781) 849-2274
Medicare enrollment
Enrolled (PECOS I20121025000237); 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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Also registered at 111 Grossman Dr

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

  1. Deborah Antos, PAMedical Physician Assistant1295798437
  2. Peter Barrant, M.D.Pediatrics Physician1215913835
  3. Caitlin Bast, DNPAdult Health Nurse Practitioner1558945071
  4. Gail Bean, NPNurse Practitioner1992774137
  5. Vicki Beggs, PHDPsychologist1104877539
  6. Elvira Belenky, PAMedical Physician Assistant1316901507

Verify Hagen Yang in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMassachusetts Board of Registration in Medicine
    Search for license 242409
    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 Massachusetts license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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3.1 times the Medicare Part D claims of the average neurology physician in 2024

4,240 Medicare Part D claims for 759 beneficiaries, against an average of 1,370 among the 15,005 providers of this specialty who prescribed in Part D. Brand-name drugs were 6% of claims. 20 claims were for opioids.

  1. Hagen Yang4,240
  2. Specialty average1,370

Most prescribed

  1. Donepezil Hcl640 claims
  2. Gabapentin475 claims
  3. Levetiracetam307 claims
  4. Carbidopa-Levodopa172 claims
  5. Memantine Hcl168 claims
  6. Pregabalin166 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. Atrius Health IncDedham, MA

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

Neurology Physician providers in Massachusetts

There are 964 neurology physician records in Massachusetts.

Other neurology physician records in Massachusetts

  1. Bardia AbbasiBoston, MA1629429543
  2. Shabbir Abbasi, M.D.Leominster, MA1992798797
  3. Bruce Abbott, MDNew Bedford, MA1760485155
  4. Lobna Abdelwahab, MDFall River, MA1033747514
  5. Widad Abou Chaar, MDBoston, MA1609397348
  6. Mahmoud Abu-Ata, M.D.Boston, MA1841216991
  7. Diler Acar, MDBoston, MA1679522601
  8. Albert Ackil, M.D.North Easton, MA1083662332
  9. Octavian Adam, M.D.Springfield, MA1104020791
  10. Seema Adhami, M.D.Worcester, MA1639169063

Common questions

What is Hagen Yang, MD's NPI number?

Hagen Yang, MD's National Provider Identifier (NPI) is 1902015266, issued on May 22, 2007. An NPI identifies a provider in billing; it is not a license.

Where is Hagen Yang, MD located?

The NPPES record lists a practice address at 111 Grossman Dr, Braintree, MA, 02184. Phone: (781) 849-2265. Providers update this record themselves, so call before visiting.

How can I verify Hagen Yang, MD's license?

NPPES lists Massachusetts license number 242409, as entered by the provider. Search the Massachusetts Board of Registration in Medicine at https://findmydoctor.mass.gov/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Hagen Yang, MD prescribe under Medicare Part D?

In 2024, Hagen Yang, MD had 4,240 Medicare Part D claims for 759 beneficiaries; the average among neurology physician prescribers was 1,370. 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.