Doctor profile · Federal record

Dr. Karl Frey, DDS

Oral and Maxillofacial Surgery (Dentist) (CMS: Maxillofacial Surgery) · Harlingen, TX

  • NPI 1821091398
  • Accepts Medicare
  • 45 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

Operates at 3 locations .

NPPES Updated May 11, 2026
Primary practice
1622 N Ed Carey Dr
Harlingen, TX 785508286
(956) 428-4258
fax (956) 428-4292
Additional location
100 E Pecan Blvd
McAllen, TX 785019555
(956) 682-5292
Additional location
2330 Central Blvd
Brownsville, TX 785208714
(956) 542-2870

Credentials & registration

NPPES · NUCC
NPI registered
May 2005 — 21 yrs on file
Profile last updated
March 14, 2025
Year of graduation
1981 — 45 yrs since
Specialty taxonomy
1223S0112X — NUCC code
State license (1)
Texas #12285
Medicaid (4)
TX #130590609 · TX #130590611 · TX #130590608 · TX #130590610

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1821091398. Last verified May 11, 2026.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$51
Transactions
1
Manufacturers
1
Payer (manufacturer) Industry Txns Amount
Dentsply Sirona INC 1 $50.94

By nature of payment

Food and Beverage
$51

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
1,484
Patients
1,331
Total drug cost
$8,422
Drug Type Claims Patients Total cost
Chlorhexidine Gluconate Generic 504 417 $2,999
Penicillin V Potassium Generic 334 311 $1,732
Acetaminophen-Codeine (Acetaminophen With Codeine) Brand 229 220 $1,171
Naproxen Generic 123 119 $527
Ibuprofen Generic 77 71 $320
Amoxicillin Generic 75 62 $308
Hydrocodone-Acetaminophen (Hydrocodone/Acetaminophen) Brand 74 73 $502
Clindamycin Hcl Generic 68 58 $862

Frequently asked questions

Auto-generated from federal data
What is Dr. Karl Frey's medical specialty?
Dr. Karl Frey practices Oral and Maxillofacial Surgery (Dentist) in Harlingen, TX.
Where does Dr. Karl Frey practice?
Dr. Karl Frey practices at 1622 N Ed Carey Dr, Harlingen, TX 785508286. Office phone: 9564284258.
What is Dr. Karl Frey's NPI?
Dr. Karl Frey's National Provider Identifier (NPI) is 1821091398, issued by NPPES.
Does Dr. Karl Frey accept Medicare assignment?
Yes. Dr. Karl Frey accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.