Doctor profile · Federal record

Dr. Hagen Yang, MD

Neurology Physician (CMS: Neurology) · Braintree, MA

  • NPI 1902015266
  • Accepts Medicare
  • 19 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
111 Grossman Dr
Braintree, MA 021844997
(781) 849-2265
fax (781) 849-2274

Credentials & registration

NPPES · NUCC
NPI registered
May 2007 — 19 yrs on file
Profile last updated
January 8, 2021
Year of graduation
2007 — 19 yrs since
Specialty taxonomy
2084N0400X — NUCC code
State license (1)
Massachusetts #242409

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1902015266. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
800
Distinct HCPCS
10
Medicare allowed
$117,537
HCPCS Description Services Patients Avg allowed
99214 Established patient office or other outpatient visit, 30-39 minutes 236 212 $139
99215 Established patient office or other outpatient visit, 40-54 minutes 144 119 $194
99204 New patient office or other outpatient visit, 45-59 minutes 141 141 $182
99213 Established patient office or other outpatient visit, 20-29 minutes 65 64 $99
99205 New patient office or other outpatient visit, 60-74 minutes 53 53 $240
36415 Insertion of needle into vein for collection of blood sample 52 40 $8
95885 Needle measurement of electrical activity in arm or leg muscles, limited study 32 30 $71
99203 New patient office or other outpatient visit, 30-44 minutes 25 25 $121
82607 Cyanocobalamin (vitamin b-12) level 16 16 $15
95910 Nerve conduction, 7-8 studies 13 13 $188

In context: peer comparison

Among 1 peers in Braintree Neurology Physician, average services per provider: 66. This provider delivers 12× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
2,213
Patients
597
Total drug cost
$73,101
Drug Type Claims Patients Total cost
Donepezil Hcl Generic 492 157 $9,647
Gabapentin Generic 402 97 $10,383
Levetiracetam Generic 244 55 $14,422
Pregabalin Generic 149 37 $5,671
Carbidopa-Levodopa (Carbidopa/Levodopa) Brand 133 48 $5,321
Memantine Hcl Generic 123 34 $5,359
Divalproex Sodium Generic 89 14 $7,194
Topiramate Generic 85 30 $2,326
Trazodone Hcl Generic 83 17 $1,270
Quetiapine Fumarate Generic 82 22 $1,174

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Hagen Yang's medical specialty?
Dr. Hagen Yang practices Neurology Physician in Braintree, MA.
Where does Dr. Hagen Yang practice?
Dr. Hagen Yang practices at 111 Grossman Dr, Braintree, MA 021844997. Office phone: 7818492265.
What is Dr. Hagen Yang's NPI?
Dr. Hagen Yang's National Provider Identifier (NPI) is 1902015266, issued by NPPES.
Does Dr. Hagen Yang accept Medicare assignment?
Yes. Dr. Hagen Yang accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Hagen Yang commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Established patient office or other outpatient visit (HCPCS 99215); New patient office or other outpatient visit (HCPCS 99204). Source: CMS Medicare Physician & Other Practitioners file.