1. Home
  2. Directory
  3. Texas
  4. Harlingen
  5. Internal Medicine
  6. NPI Profile
Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

DR. QAZI ASIF SIDDIQUE M.D.
NPI 1770725194
Internal Medicine in Harlingen, TX

Active since March 31, 2009PECOS EnrolledAccepts Medicare Assignment
2101 PEASE ST, SUITE 1G, HARLINGEN, TX 78550(956) 389-6565(956) 389-6567 Get Directions Write a Review

NPPES record last updated: August 3, 2026. Verified against the NPPES registry weekly; last sync: August 16, 2026.

About Dr. Qazi Asif Siddique M.d. NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

DR. QAZI ASIF SIDDIQUE M.D. (NPI 1770725194) is an individual internal medicine provider in Harlingen, Texas, licensed in Texas (P6723) and active in the NPI registry since March 2009. He is enrolled in Medicare PECOS, is affiliated with Vhs Harlingen Hospital Company Llc, and is a graduate of Other (2005).

NPPES Registry Identity

NPI1770725194
Entity TypeIndividualMale
Primary Taxonomy207R00000X
Provider Legal NameDR. QAZI ASIF SIDDIQUECredential: M.D.
Location Address2101 PEASE ST, SUITE 1GHarlingen, TX 78550-8307
Mailing Address2101 Pease St Ste 1gHarlingen, TX 78550-8307 · (956) 389-6565 · Fax (956) 389-6567
Phone(956) 389-6565
Fax(956) 389-6567
Sole ProprietorNo
Medical School CMSOtherGraduated 2005
Enumeration DateMarch 31, 2009
Last NPPES UpdateAugust 3, 2026
NPPES CertifiedAugust 3, 2026
✔ NPI 1770725194 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
License✔ Licensed in TX · P6723
Definition
A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.
Also ListedAnesthesiologyTaxonomy 207L00000X · License 262133 (NY)
2101 PEASE ST, Harlingen, TX 78550
Open in Google Maps ↗

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Blue Cross and Blue Shield of Texas, Molina Healthcare.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Dr. Qazi Asif Siddique M.d. is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID749452977
PECOS Enrollment IDI20170126002501
Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Hospital Affiliations CMS Care Compare

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Vhs Harlingen Hospital Company LLC

Acute Care Hospitals · Harlingen, TX
2/5 CMS rating
OwnershipProprietary
CMS Certification Number450033
Location2101 Pease StHarlingen, TX 78550 · Cameron County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 78550 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$126.40 typical visit price
range $54.84 – $166.88
Typical copayment $31.60 (range $13.71 – $41.72)
Most-billed visit code 99204
Established Patient
$97.05 typical visit price
range $17.52 – $136.11
Typical copayment $24.26 (range $4.38 – $34.02)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

CHRISTIAN GONZALEZ
Pediatrics
2101 PEASE ST
HARLINGEN, TX 78550
Cameron County (956) 421-2414
HELEN DELORES PADGETT CRNA
Nurse Anesthetist, Certified Registered
2101 PEASE ST
HARLINGEN, TX 78550
Cameron County (956) 389-1100
YAHYA DANESHBOD MD
Pathology (Anatomic Pathology & Clinical Pathology)
2101 PEASE ST
HARLINGEN, TX 78550
Cameron County (956) 389-6565
MRS. MARY PETERS-BENITEZ O.T.
Occupational Therapist
2101 PEASE ST
HARLINGEN, TX 78550
Cameron County (956) 389-1690
JANETLY LUCIA REINOSO JIMENEZ
Student in an Organized Health Care Education/Training Program
2101 PEASE ST
HARLINGEN, TX 78550
Cameron County (956) 454-0568
SABINO VEGA JR. MSN, NP
Nurse Practitioner (Family)
2101 PEASE ST
HARLINGEN, TX 78550
Cameron County (956) 389-5000
DR. JESUS GUZMAN JR. DO
Hospitalist
2101 PEASE ST
HARLINGEN, TX 78550
Cameron County (956) 389-1100
ROBIN MELINDA WOODARD CRNA
Nurse Anesthetist, Certified Registered
2101 PEASE ST
HARLINGEN, TX 78550
Cameron County (956) 389-1100

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Qazi Siddique's NPI number?

The NPI number for Qazi Siddique is 1770725194. It was assigned to this individual provider in the NPPES registry on March 31, 2009.

Where is Qazi Siddique located?

Qazi Siddique practices at 2101 Pease St Suite 1G, Harlingen, TX 78550. The listed phone number is (956) 389-6565.

What is Qazi Siddique's specialty?

The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.

Is Qazi Siddique enrolled in Medicare?

Yes. Qazi Siddique is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

What insurance does Qazi Siddique accept?

Health plans from Blue Cross and Blue Shield of Texas and Molina Healthcare list Qazi Siddique as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

Is Qazi Siddique affiliated with any hospitals?

According to CMS data, Qazi Siddique is affiliated with Vhs Harlingen Hospital Company LLC.

When was this NPI record last updated?

The NPPES record for Qazi Siddique was last updated on August 3, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 19 days ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.