Doctor profile · Federal record

Dr. Greg Fischer, DO

Emergency Medicine Physician (CMS: Emergency Medicine) · Emergency Medicine Physician · Student in an Organized Health Care Education/Training Program · Allentown, PA

  • NPI 1851886923
  • Accepts Medicare
  • 8 yrs in practice
  • Licensed in 2 states
  • Male
  • Group practice
  • No sanctions

Practice & contact

Operates at 2 locations .

NPPES Updated May 11, 2026
Primary practice
1200 S Cedar Crest Blvd
Allentown, PA 181036202
(484) 862-3232
Additional location
1906 Belleview Ave Se
Roanoke, VA 240141838
(540) 981-7000
fax (540) 985-6920
Mailing address
213 S Jefferson St Ste 1006
Roanoke, VA 240111713

Credentials & registration

NPPES · NUCC
NPI registered
June 2018 — 8 yrs on file
Profile last updated
August 10, 2023
Year of graduation
2018 — 8 yrs since
Specialty taxonomy
207P00000X — NUCC code
State licenses (3)
Pennsylvania #OS020331 · Virginia #0102207061 · Pennsylvania #OT018471

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1851886923. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
209
Distinct HCPCS
2
Medicare allowed
$31,549
HCPCS Description Services Patients Avg allowed
99285 Emergency department visit with high level of medical decision making 144 141 $168
99284 Emergency department visit with moderate level of medical decision making 65 64 $114

In context: peer comparison

Among 66 peers in this city , average services per provider: 82. This provider delivers 2.5× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$15
Transactions
1
Manufacturers
1
Payer (manufacturer) Industry Txns Amount
PFIZER INC. 1 $14.58

By nature of payment

Food and Beverage
$15

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
26
Patients
23
Total drug cost
$149
Drug Type Claims Patients Total cost
Cephalexin Generic 14 12 $117
Ibuprofen Generic 12 11 $33

Frequently asked questions

Auto-generated from federal data
What is Dr. Greg Fischer's medical specialty?
Dr. Greg Fischer practices Emergency Medicine Physician in Allentown, PA.
Where does Dr. Greg Fischer practice?
Dr. Greg Fischer practices at 1200 S Cedar Crest Blvd, Allentown, PA 181036202. Office phone: 4848623232.
What is Dr. Greg Fischer's NPI?
Dr. Greg Fischer's National Provider Identifier (NPI) is 1851886923, issued by NPPES.
Does Dr. Greg Fischer accept Medicare assignment?
Yes. Dr. Greg Fischer accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Greg Fischer commonly perform?
Top Medicare-reported procedures in 2023: Emergency department visit with high level of medical decision making (HCPCS 99285); Emergency department visit with moderate level of medical decision making (HCPCS 99284). Source: CMS Medicare Physician & Other Practitioners file.