Doctor profile · Federal record

Dr. John Yang, M.D.

Hematology & Oncology Physician (CMS: Hematology) · Newton, MA

  • NPI 1013949551
  • Accepts Medicare
  • 25 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
2014 Washington St
Newton, MA 024621607
(617) 219-1230
fax (617) 831-7350
Mailing address
62 Birch Ln
Westwood, MA 020901530

Credentials & registration

NPPES · NUCC
NPI registered
July 2006 — 20 yrs on file
Profile last updated
April 24, 2023
Year of graduation
2001 — 25 yrs since
Specialty taxonomy
207RH0003X — NUCC code
State license (1)
Massachusetts #219306

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1013949551. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
965
Distinct HCPCS
9
Medicare allowed
$131,935
HCPCS Description Services Patients Avg allowed
99214 Established patient office or other outpatient visit, 30-39 minutes 266 85 $140
99215 Established patient office or other outpatient visit, 40-54 minutes 205 87 $195
G2212 Prolonged office or other outpatient evaluation and management service(s) beyond the maximum required time of the primary procedure which has been selected using total time on the date of the primary service; each additional 15 minutes by the physician or 127 64 $34
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 103 51 $84
99205 New patient office or other outpatient visit, 60-74 minutes 82 82 $239
99213 Established patient office or other outpatient visit, 20-29 minutes 63 36 $99
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 58 52 $184
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 34 27 $126
G0316 Prolonged hospital inpatient or observation care evaluation and management service(s) beyond the total time for the primary service (when the primary service has been selected using time on the date of the primary service); each additional 15 minutes by th 27 19 $32

In context: peer comparison

Among 3 peers in this city , average services per provider: 115. This provider delivers 8.4× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
262
Patients
88
Total drug cost
$281,270
Drug Type Claims Patients Total cost
Prochlorperazine Maleate Generic 55 39 $746
Ondansetron Hcl Generic 47 35 $229
Oxycodone Hcl Generic 23 0 $404
Eliquis (Apixaban) Brand 21 0 $16,338
Prednisone Generic 21 0 $95
Dexamethasone Generic 20 14 $295
Omeprazole Generic 20 0 $159
Creon (Lipase/Protease/Amylase) Brand 16 0 $16,919
Diphenoxylate-Atropine (Diphenoxylate Hcl/Atropine) Brand 13 0 $94
Gabapentin Generic 13 0 $455

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. John Yang's medical specialty?
Dr. John Yang practices Hematology & Oncology Physician in Newton, MA.
Where does Dr. John Yang practice?
Dr. John Yang practices at 2014 Washington St, Newton, MA 024621607. Office phone: 6172191230.
What is Dr. John Yang's NPI?
Dr. John Yang's National Provider Identifier (NPI) is 1013949551, issued by NPPES.
Does Dr. John Yang accept Medicare assignment?
Yes. Dr. John Yang accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. John 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); Prolonged office or other outpatient evaluation and management service(s) beyond the maximum required time of the primary procedure which has been selected using total time on the date of the primary service; each additional 15 minutes by the physician or (HCPCS G2212). Source: CMS Medicare Physician & Other Practitioners file.