Doctor profile · Federal record

Dr. Zhiyuan Ma, MD, PHD

Internal Medicine Physician (CMS: Internal Medicine) · Bethlehem, PA

  • NPI 1336762848
  • Accepts Medicare
  • 13 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
801 Ostrum St
Bethlehem, PA 180151000
(610) 250-4953
Mailing address
250 S 21St St
Easton, PA 180423851

Credentials & registration

NPPES · NUCC
NPI registered
May 2020 — 6 yrs on file
Profile last updated
October 4, 2023
Year of graduation
2013 — 13 yrs since
Specialty taxonomy
207R00000X — NUCC code
State license (1)
Pennsylvania #MD481341

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1336762848. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
34
Distinct HCPCS
1
Medicare allowed
$2,592
HCPCS Description Services Patients Avg allowed
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 34 17 $76

In context: peer comparison

Among 61 peers in Bethlehem Internal Medicine Physician, average services per provider: 122. This provider delivers 0.3× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$538
Transactions
8
Manufacturers
3
Payer (manufacturer) Industry Txns Amount
Abbott Laboratories 4 $311.03
Zoll Services LLC (A/K/A Zoll LifeCor Corp) 3 $196.33
Abiomed 1 $30.57

By nature of payment

Education
$339
Food and Beverage
$199

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Zhiyuan Ma's medical specialty?
Dr. Zhiyuan Ma practices Internal Medicine Physician in Bethlehem, PA.
Where does Dr. Zhiyuan Ma practice?
Dr. Zhiyuan Ma practices at 801 Ostrum St, Bethlehem, PA 180151000. Office phone: 6102504953.
What is Dr. Zhiyuan Ma's NPI?
Dr. Zhiyuan Ma's National Provider Identifier (NPI) is 1336762848, issued by NPPES.
Does Dr. Zhiyuan Ma accept Medicare assignment?
Yes. Dr. Zhiyuan Ma accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Zhiyuan Ma commonly perform?
Top Medicare-reported procedures in 2023: Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232). Source: CMS Medicare Physician & Other Practitioners file.