Doctor profile · Federal record

Dr. Charles Zaremba, M.D.

Anatomic Pathology & Clinical Pathology Physician (CMS: Pathology) · Harlingen, TX

  • NPI 1750580833
  • Accepts Medicare
  • 19 yrs in practice
  • Male
  • Solo practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
2026 E Tyler Ave
Harlingen, TX 785507466
(956) 423-3335
fax (956) 421-5820
Mailing address
2300 W Pike Blvd, Suite 103-B
Weslaco, TX 785965640

Credentials & registration

NPPES · NUCC
NPI registered
July 2007 — 19 yrs on file
Profile last updated
October 12, 2021
Year of graduation
2007 — 19 yrs since
Specialty taxonomy
207ZP0102X — NUCC code
State license (1)
Texas #N9990

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1750580833. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
2,628
Distinct HCPCS
10
Medicare allowed
$112,232
HCPCS Description Services Patients Avg allowed
88185 Flow cytometry technique for dna or cell analysis, each additional marker 601 27 $23
87798 Detection test by nucleic acid for organism, amplified probe technique 364 23 $34
88305 Pathology examination of tissue using a microscope, intermediate complexity 329 87 $68
88341 Special stained specimen slides to examine tissue, each additional procedure 158 31 $27
88305 Pathology examination of tissue using a microscope, intermediate complexity 154 80 $35
87481 Detection test for candida species (yeast), amplified probe technique 140 23 $34
88342 Special stained specimen slides to examine tissue, initial procedure 93 61 $95
87801 Detection test by nucleic acid for multiple organisms, amplified probe(s) technique 84 23 $69
88341 Special stained specimen slides to examine tissue, each additional procedure 66 24 $82
88342 Special stained specimen slides to examine tissue, initial procedure 60 46 $33

In context: peer comparison

Among 3 peers in Harlingen Anatomic Pathology & Clinical Pathology Physician, average services per provider: 101. This provider delivers 26× the peer median.

Frequently asked questions

Auto-generated from federal data
What is Dr. Charles Zaremba's medical specialty?
Dr. Charles Zaremba practices Anatomic Pathology & Clinical Pathology Physician in Harlingen, TX.
Where does Dr. Charles Zaremba practice?
Dr. Charles Zaremba practices at 2026 E Tyler Ave, Harlingen, TX 785507466. Office phone: 9564233335.
What is Dr. Charles Zaremba's NPI?
Dr. Charles Zaremba's National Provider Identifier (NPI) is 1750580833, issued by NPPES.
Does Dr. Charles Zaremba accept Medicare assignment?
Yes. Dr. Charles Zaremba accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Charles Zaremba commonly perform?
Top Medicare-reported procedures in 2023: Flow cytometry technique for dna or cell analysis, each additional marker (HCPCS 88185); Detection test by nucleic acid for organism, amplified probe technique (HCPCS 87798); Pathology examination of tissue using a microscope, intermediate complexity (HCPCS 88305). Source: CMS Medicare Physician & Other Practitioners file.