Doctor profile · Federal record

Dr. Derek Liang, D.O.

Obstetrics & Gynecology Physician (CMS: Obstetrics/Gynecology) · Obstetrics & Gynecology Physician · New Freedom, PA

  • NPI 1093000663
  • Accepts Medicare
  • 19 yrs in practice
  • Licensed in 2 states
  • Male
  • Group practice
  • No sanctions

Practice & contact

Operates at 9 locations across 1 states.

NPPES Updated May 11, 2026
Primary practice
13515 Wolfe RD
New Freedom, PA 173499346
(717) 812-2540
fax (717) 715-1310
Mailing address
601 Memory Ln
York, PA 174022231
Pennsylvania — 8 locations
Additional location
1001 S George St
York, PA 174033676
(717) 851-2348
Additional location
1101 Edgar St
York, PA 174032862
(717) 812-4602
Additional location
1227 Baltimore St
Hanover, PA 173314406
(717) 633-1433
Additional location
1693 S Queen St
York, PA 174034609
(717) 845-1621
Additional location
2050 S Queen St
York, PA 174034829
(717) 812-2316
Additional location
3992 Carlisle RD
Dover, PA 173153506
(717) 851-7260
Additional location
4222 Lincoln Hwy
York, PA 174068083
(717) 812-7800
Additional location
845 Helen Dr
Lebanon, PA 170427493
(717) 273-8835

Credentials & registration

NPPES · NUCC
NPI registered
June 2011 — 15 yrs on file
Profile last updated
January 27, 2025
Year of graduation
2007 — 19 yrs since
Specialty taxonomy
207V00000X — NUCC code
State licenses (2)
Pennsylvania #OS019509 · New York #261588
Medicaid
NY #03347573

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1093000663. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
24
Distinct HCPCS
2
Medicare allowed
$1,855
HCPCS Description Services Patients Avg allowed
G0101 Cervical or vaginal cancer screening; pelvic and clinical breast examination 13 13 $38
99214 Established patient office or other outpatient visit, 30-39 minutes 11 11 $124

In context: peer comparison

Among 1 peers in New Freedom Obstetrics & Gynecology Physician, average services per provider: 12. This provider delivers 2.0× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$14
Transactions
1
Manufacturers
1
Payer (manufacturer) Industry Txns Amount
Henry Schein, INC. 1 $14.45

By nature of payment

Food and Beverage
$14

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
11
Patients
0
Total drug cost
$274
Drug Type Claims Patients Total cost
Clotrimazole-Betamethasone (Clotrimazole/Betamethasone Dip) Brand 11 0 $274

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Derek Liang's medical specialty?
Dr. Derek Liang practices Obstetrics & Gynecology Physician in New Freedom, PA.
Where does Dr. Derek Liang practice?
Dr. Derek Liang practices at 13515 Wolfe RD, New Freedom, PA 173499346. Office phone: 7178122540.
What is Dr. Derek Liang's NPI?
Dr. Derek Liang's National Provider Identifier (NPI) is 1093000663, issued by NPPES.
Does Dr. Derek Liang accept Medicare assignment?
Yes. Dr. Derek Liang accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Derek Liang commonly perform?
Top Medicare-reported procedures in 2023: Cervical or vaginal cancer screening; pelvic and clinical breast examination (HCPCS G0101); Established patient office or other outpatient visit (HCPCS 99214). Source: CMS Medicare Physician & Other Practitioners file.