DR. MELHEM DANDAN MD
NPI 1053393520
Family Medicine in San Antonio, TX

Active since November 18, 2005PECOS EnrolledAccepts Medicare Assignment
520 MADISON OAK DR, SAN ANTONIO, TX 78258(210) 297-4000(210) 297-0321 Get Directions Write a Review

NPPES record last updated: August 5, 2026. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Aug 5, 2026, May 4, 2023, Mar 7, 2023 and 1 more (4 updates tracked since 2021).

About Dr. Melhem Dandan Md NPPES

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

DR. MELHEM DANDAN MD (NPI 1053393520) is an individual family medicine provider in San Antonio, Texas, licensed in Texas (A78213) and active in the NPI registry since November 2005. He is enrolled in Medicare PECOS, maintains a secondary practice location in San Antonio, and is a graduate of Other (1993).

NPPES Registry Identity

NPI1053393520
Entity TypeIndividualMale
Primary Taxonomy207Q00000X
Provider Legal NameDR. MELHEM DANDANCredential: MD
Location Address520 MADISON OAK DRSan Antonio, TX 78258-3913
Mailing Address354 E Southcross Blvd Ste 100San Antonio, TX 78214-3595 · (661) 912-7458
Fax(210) 297-0321
Sole ProprietorNo
Medical School CMSOtherGraduated 1993
Enumeration DateNovember 18, 2005
Last NPPES UpdateAugust 5, 20264 updates tracked since enumeration
NPPES CertifiedAugust 5, 2026
✔ NPI 1053393520 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyFamily MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207Q00000X
License✔ Licensed in TX · A78213
Definition
Family Medicine is the medical specialty which is concerned with the total health care of the individual and the family. It is the specialty in breadth which integrates the biological, clinical, and behavioral sciences. The scope of family medicine is not limited by age, sex, organ system, or disease entity.
Also ListedObstetrics & GynecologyTaxonomy 207V00000X · License P0716 (TX)
520 MADISON OAK DR, San Antonio, TX 78258

Other Names 1

Other Name (5)Dr. Melhem Abd-allah Dandan Md

Secondary Practice Location 1

Location 1354 E Southcross Blvd Ste 100San Antonio, TX 78214-3595 · Phone (210) 361-5826

Accepted Insurance

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Dr. Melhem Dandan Md 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 ID5698856334
PECOS Enrollment IDI20120821000791
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.

Medicare Billing Reassignments

4

Medicare enrollment records show Melhem Dandan reassigns Medicare billing to 4 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Family Medicine
502 MADISON OAK DR STE 310
San Antonio, TX 78258
  • Reassigned Medicare billing, Texas enrollment
  • 964 clinicians in this Medicare group
Family Medicine
354 E SOUTHCROSS BLVD STE 100
San Antonio, TX 78214
  • Reassigned Medicare billing, Texas enrollment
  • 2 clinicians in this Medicare group
Obstetrics & Gynecology
7430 BARLITE BLVD STE 105
San Antonio, TX 78224
  • Reassigned Medicare billing, Texas enrollment
  • 31 clinicians in this Medicare group
Family Medicine
520 DOUGLAS BLVD
Tyler, TX 75702
  • Reassigned Medicare billing, Texas enrollment
  • 2,745 clinicians in this Medicare group

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Areas of Expertise CMS Part B claims 2

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214
This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.
102 services42 patients
Insertion of needle into vein for collection of blood sample 36415
This procedure involves inserting a small needle into a vein, typically in your arm, to collect a blood sample. It's a quick and simple process to help diagnose or monitor health conditions. You may feel a small prick, but discomfort is minimal.
38 services27 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 78258 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
$84.92 typical visit price
range $54.84 – $166.88
Typical copayment $21.23 (range $13.71 – $41.72)
Most-billed visit code 99203
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.

Pediatrics (Pediatric Critical Care Medicine)
520 MADISON OAK DR, SUITE 103
SAN ANTONIO, TX 78258
Pediatrics (Pediatric Nephrology)
520 MADISON OAK DR, SUITE 320
SAN ANTONIO, TX 78258
Nurse Practitioner (Family)
520 MADISON OAK DR
SAN ANTONIO, TX 78258
Internal Medicine
520 MADISON OAK DR
SAN ANTONIO, TX 78258
Pediatrics (Pediatric Critical Care Medicine)
520 MADISON OAK DR
SAN ANTONIO, TX 78258
Anesthesiologist Assistant
520 MADISON OAK DR
SAN ANTONIO, TX 78258
Audiologist
520 MADISON OAK DR
SAN ANTONIO, TX 78258
Nurse Practitioner (Neonatal)
520 MADISON OAK DR
SAN ANTONIO, TX 78258

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 Melhem Dandan's NPI number?

The NPI number for Melhem Dandan is 1053393520. It was assigned to this individual provider in the NPPES registry on November 18, 2005. The provider is also known as Dr. Melhem Abd-Allah Dandan MD.

Where is Melhem Dandan located?

Melhem Dandan practices at 520 Madison Oak Dr, San Antonio, TX 78258. The listed phone number is (210) 297-4000.

What is Melhem Dandan's specialty?

The primary specialty registered for this NPI is Family Medicine with taxonomy code 207Q00000X.

Is Melhem Dandan enrolled in Medicare?

Yes. Melhem Dandan 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.

Which organizations bill Medicare for Melhem Dandan's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Melhem Dandan reassigns Medicare benefits to 4 organizations: Bhs Physicians Network, Inc (San Antonio, TX), Dandan Primary Care, LLC (San Antonio, TX), Westover Hills Women's Health PA (San Antonio, TX) and Christus Trinity Clinic Texas (Tyler, TX). Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Melhem Dandan's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Melhem Dandan accept?

Health plans from Ambetter from Arizona Complete Health, Ambetter from Arkansas Health & Wellness, Ambetter from Louisiana Healthcare Connections, Ambetter from Superior HealthPlan and Ambetter of Oklahoma and 7 other insurers list Melhem Dandan 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.

When was this NPI record last updated?

The NPPES record for Melhem Dandan was last updated on August 5, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 months 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.