CHARLES MICHAEL ZAREMBA (M.D.) – Anatomic Pathology & Clinical Pathology Physician, NPI 1750580833

CHARLES MICHAEL ZAREMBA (M.D.) is a healthcare provider. based in Harlingen, Texas. specializing in PATHOLOGY. They hold the professional credentials M.D.. They hold a License No. N9990 (TX). The NPI Number for CHARLES MICHAEL ZAREMBA (M.D.) is 1750580833

Main info

Male
Sole Proprietor
19 Years Of Experience
Accepts Medicare Assignment
Name
CHARLES MICHAEL ZAREMBA (M.D.)
NPI
1750580833
Phone
(956) 423-3335
Address
2026 E TYLER AVE
Enumeration Date
17 July 2007
Last Update Date
12 October 2021

Doctor Profile

Medical School Name
BAYLOR COLLEGE OF MEDICINE
Secondary Phone
9566324000
Graduation Year
2007 (19 years ago)
PAC ID
4284881657
Group Practice PAC ID
6406137041
Professional Enrollment ID
I20120821000366
Address ID
TX785033045MC301XXEXPR308
Data current as of
19 May 2026

Profile Insights

NPPES metrics only — not quality of care.

Methodology
Experience60
Completeness75
Years active:18State licenses:1Digital endpointsOther names

1,394 PATHOLOGY in TX

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Provider Addresses for CHARLES MICHAEL ZAREMBA (M.D.)

  • Tyler Avenue, Harlingen, Texas, 78550, United States

    HARLINGEN, TX 785507466

    Phone: (956) 423-3335

    Fax: (956) 421-5820

    Type: Location

  • 2300, West Pike Boulevard, Weslaco, Hidalgo County, Texas, 78596, United States

    SUITE 103-B

    WESLACO, TX 785965640

    Phone: (214) 708-1173

    Type: Mailing

NPPES updates history

No NPPES updates recorded for this provider.

Prescription Activity

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Open Payments (CMS)

No Open Payments data available for this provider.

This can happen when there are no reportable CMS Open Payments records.

Medicare Enrollment & Revalidation

Source: CMS public data · Not endorsed by CMS ·

Educational use only—not medical, billing, or legal advice.

PECOS enrollment status

Participating (accepts Medicare assignment)

Enrollment effective: 2012-08-21

PECOS data refreshed: 2026-05-27

Medicare revalidation (CMS due date list)

Due date not assigned yet

CMS is tracking this Medicare enrollment for revalidation, but has not published a due date.

Enrollment records

1

Earliest due date

Not assigned (TBD)

CMS data updated

2026-06-01

Revalidation progress

  1. Medicare enrolled
  2. On CMS revalidation list
  3. Due date assigned
  4. Revalidate in PECOS

CMS enrollment records

Enrollment IDTypeSpecialtyStateDue date
I20120821000366IPathologyTXTBD

What to do next

  • No action required while the due date shows TBD.
  • Check the CMS Revalidation Lookup Tool periodically — CMS updates the list about every 60 days.
  • Do not submit a revalidation application in PECOS until CMS publishes a concrete due date.

Verify on CMS Revalidation Lookup Tool

Prepare CMS-855 application → · Look up this NPI in PECOS → · Verify on CMS PECOS

Medicare Utilization (FFS)

Source: CMS public data · Not endorsed by CMS · Beneficiary counts under 11 are suppressed in source data ·

Educational use only—not medical, billing, or legal advice.

Top Medicare procedures (2023) · refreshed 2026-05-27

HCPCSDescriptionServicesBeneficiariesMedicare allowed
88185Flow cytometry technique for dna or cell analysis, each additional marker60127$0
88305Pathology examination of tissue using a microscope, intermediate complexity483167$0
87798Detection test by nucleic acid for organism, amplified probe technique36423$0
88341Special stained specimen slides to examine tissue, each additional procedure22455$0
88342Special stained specimen slides to examine tissue, initial procedure153107$0
View full utilization report →

Insurance plans in this area (ZIP 78550)

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Provider's Procedures

CHARLES MICHAEL ZAREMBA (M.D.) performs procedures in PATHOLOGY. See the list of HCPCS codes below.
SpecialtyPractice State
HCPCS Code
Description
Service Count
Beneficiary Count
PATHOLOGYTX88307Pathology examination of tissue using a microscope, moderately high complexity3533
PATHOLOGYTX88312Special stained specimen slides to identify organisms including interpretation and report201132
PATHOLOGYTX88342Tissue or cell analysis by immunologic technique5548

Group practice members

Group practice members are other physicians who share the same Group Practice PAC ID with this doctor. When doctors form a group practice and register in PECOS as a single entity, they receive a shared identification number. This table lists all providers in the same group practice.
PAC ID: 6406137041View full group profile

Reviews

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Frequently asked questions

Is there an official ID for CHARLES MICHAEL ZAREMBA (M.D.) in U.S. healthcare records?
The official identifier for CHARLES MICHAEL ZAREMBA (M.D.) is NPI 1750580833.
Would CHARLES MICHAEL ZAREMBA (M.D.) appear as active to a payer?
You can treat CHARLES MICHAEL ZAREMBA (M.D.) as active for directory purposes; confirm clinical privileges separately.
What kind of doctor is CHARLES MICHAEL ZAREMBA (M.D.)?
CHARLES MICHAEL ZAREMBA (M.D.) is associated with Anatomic Pathology & Clinical Pathology Physician in the directory — Clinical services aligned with this taxonomy classification.
Where in Texas is CHARLES MICHAEL ZAREMBA (M.D.) registered?
Use Harlingen, Texas as the headline location for CHARLES MICHAEL ZAREMBA (M.D.) here.
Does CHARLES MICHAEL ZAREMBA (M.D.) accept insurance?
Insurance participation is not part of the core NPI extract — call the plan or office to confirm.

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