Charles Zaremba, M.D.
NPI 1750580833 · Anatomic Pathology & Clinical Pathology Physician · Harlingen, TX
Enrolled with Medicare as Practitioner - Pathology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Charles Zaremba, M.D. is a Anatomic Pathology & Clinical Pathology Physician provider in Harlingen, TX (NPI 1750580833).
Provider details
- NPI number
- 1750580833
- Entity type
- Individual
- Primary specialty
- Anatomic Pathology & Clinical Pathology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- Yes
- License
- N9990 (TX)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
18 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
1,860 Medicare services, 2024 (ranked within specialty)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Flow Cytometry Technique for Dna Or Cell Analysis, Each Additional Marker88185 | 538 | $22 |
| Pathology Examination of Tissue Using a Microscope, Intermediate Complexity88305 | 314 | $68 |
| Pathology Examination of Tissue Using a Microscope, Intermediate Complexity88305 | 204 | $35 |
| Special Stained Specimen Slides to Examine Tissue, Each Additional Procedure88341 | 178 | $26 |
| Special Stained Specimen Slides to Examine Tissue, Initial Procedure88342 | 90 | $99 |
| Special Stained Specimen Slides to Examine Tissue, Initial Procedure88342 | 72 | $32 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2007-07-17
- Last updated
- 2021-10-12
- Certified
- 2021-10-12
Frequently asked questions
- What is Charles Zaremba's NPI number?
- Charles Zaremba's National Provider Identifier (NPI) is 1750580833, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Charles Zaremba's specialty?
- Charles Zaremba is listed in the NPPES registry with a primary specialty of Anatomic Pathology & Clinical Pathology Physician (Allopathic & Osteopathic Physicians).
- Where is Charles Zaremba located?
- Charles Zaremba's practice location on file with NPPES is 2026 E Tyler Ave, Harlingen, TX 78550-7466.
- What is Charles Zaremba's phone number?
- The practice phone number listed in the NPPES registry for Charles Zaremba is (956) 423-3335.
- Does Charles Zaremba accept Medicare?
- Charles Zaremba is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Charles Zaremba's NPI active?
- Yes — Charles Zaremba's NPI (1750580833) is active in the NPPES registry as of the last update on 2021-10-12.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.