Doctor profile · Federal record

Dr. Erynn Yang, M.D.

Ophthalmology Physician (CMS: Ophthalmology) · Boston, MA

  • NPI 1114135746
  • Accepts Medicare
  • 21 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
133 Brookline Ave
Boston, MA 022153904
(617) 421-1151
fax (617) 421-8787

Credentials & registration

NPPES · NUCC
NPI registered
May 2007 — 19 yrs on file
Profile last updated
March 4, 2021
Year of graduation
2005 — 21 yrs since
Specialty taxonomy
207W00000X — NUCC code
State license (1)
Iowa #R-7767
Medicaid
MA #110084013A

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1114135746. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
2,214
Distinct HCPCS
10
Medicare allowed
$301,298
HCPCS Description Services Patients Avg allowed
99214 Established patient office or other outpatient visit, 30-39 minutes 599 451 $140
99213 Established patient office or other outpatient visit, 20-29 minutes 333 243 $100
92133 Imaging of optic nerve 323 309 $39
92083 Exam of visual field with extended testing 314 288 $72
66984 Removal of cataract with insertion of prosthetic lens 141 94 $545
92136 Measurement of corneal curvature and depth of eye 69 69 $33
92136 Measurement of corneal curvature and depth of eye 69 69 $53
92020 Exam of the internal drainage system of eye 58 58 $31
92250 Photography of the retina 53 53 $41
99204 New patient office or other outpatient visit, 45-59 minutes 53 53 $182

In context: peer comparison

Among 89 peers in Boston Ophthalmology Physician, average services per provider: 193. This provider delivers 11× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$111
Transactions
1
Manufacturers
1
Payer (manufacturer) Industry Txns Amount
RxSight INC 1 $111.02

By nature of payment

Food and Beverage
$111

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
4,386
Patients
1,427
Total drug cost
$277,675
Drug Type Claims Patients Total cost
Latanoprost Generic 1,722 419 $29,969
Dorzolamide-Timolol (Dorzolamide Hcl/Timolol Maleat) Brand 615 191 $18,102
Prednisolone Acetate Generic 488 230 $15,774
Brimonidine Tartrate Generic 324 105 $8,527
Timolol Maleate Generic 304 88 $16,416
Ofloxacin Generic 282 187 $3,096
Rhopressa (Netarsudil Mesylate) Brand 214 49 $99,389
Dorzolamide Hcl Generic 134 46 $4,211
Ketorolac Tromethamine Generic 95 74 $1,147
Lumigan (Bimatoprost) Brand 93 24 $49,501

Frequently asked questions

Auto-generated from federal data
What is Dr. Erynn Yang's medical specialty?
Dr. Erynn Yang practices Ophthalmology Physician in Boston, MA.
Where does Dr. Erynn Yang practice?
Dr. Erynn Yang practices at 133 Brookline Ave, Boston, MA 022153904. Office phone: 6174211151.
What is Dr. Erynn Yang's NPI?
Dr. Erynn Yang's National Provider Identifier (NPI) is 1114135746, issued by NPPES.
Does Dr. Erynn Yang accept Medicare assignment?
Yes. Dr. Erynn Yang accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Erynn 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 99213); Imaging of optic nerve (HCPCS 92133). Source: CMS Medicare Physician & Other Practitioners file.