SUNDAS IRFAN AHMED MD
NPI 1477040590
Internal Medicine in San Antonio, TX

Q: What is Sundas Ahmed's NPI number?

The NPI number for Sundas Ahmed is 1477040590. It was assigned to this individual provider in the NPPES registry on April 13, 2018.

Q: What is Sundas Ahmed's specialty?

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

Q: When was this NPI record last updated?

The NPPES record for Sundas Ahmed was last updated on August 17, 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.

Active since April 13, 2018PECOS EnrolledAccepts Medicare Assignment

7959 FREDERICKSBURG RD, SAN ANTONIO, TX 78229(726) 268-7439(866) 554-1895 Get Directions Write a Review

NPPES record last updated: August 17, 2026. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Aug 17, 2026, Dec 1, 2021, Oct 5, 2021 and 1 more (4 updates tracked since 2018).

On this page

About Sundas Irfan Ahmed Md NPPES

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

SUNDAS IRFAN AHMED MD (NPI 1477040590) is an individual internal medicine provider in San Antonio, Texas, licensed in Texas (V6252) and active in the NPI registry since April 2018. She is enrolled in Medicare PECOS and is a graduate of Other (2013).

NPPES Registry Identity

NPI1477040590

Entity TypeIndividualFemale

Primary Taxonomy207R00000X

Provider Legal NameSUNDAS IRFAN AHMEDCredential: MD

Location Address7959 FREDERICKSBURG RDSan Antonio, TX 78229-3430

Mailing Address7959 Fredericksburg RdSan Antonio, TX 78229-3430 · (726) 268-7439 · Fax (866) 554-1895

Phone(726) 268-7439

Fax(866) 554-1895

Sole ProprietorNo

Medical School CMSOtherGraduated 2013

Enumeration DateApril 13, 2018

Last NPPES UpdateAugust 17, 20264 updates tracked since enumeration

NPPES CertifiedAugust 17, 2026

✔ NPI 1477040590 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians

Taxonomy Code207R00000X

Licenses✔ Licensed in TX · V6252✔ Licensed in NY · 311900-01

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 ListedStudent in an Organized Health Care Education/Training ProgramTaxonomy 390200000X

7959 FREDERICKSBURG RD, San Antonio, TX 78229

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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

Sundas Irfan Ahmed 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 ID5991043804

PECOS Enrollment IDI20250730001472

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

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

Wellmed Medical Group, PA

1.7 mi

Internal Medicine

4438 CENTERVIEW
San Antonio, TX 78228

Reassigned Medicare billing, Texas enrollment
762 clinicians in this Medicare group

NPI 1437156486 (210) 280-0040

Conviva Medical Center Management Of Texas, P.A.

14 mi

Internal Medicine

12602 TOEPPERWEIN RD STE 100
Live Oak, TX 78233

Reassigned Medicare billing, Texas enrollment
161 clinicians in this Medicare group

NPI 1770988990 (210) 654-0030

Advantagecare Physicians PC

1,576 mi

Internal Medicine

1050 CLOVE RD, UCC
Staten Island, NY 10301

Reassigned Medicare billing, New York enrollment
724 clinicians in this Medicare group

NPI 1063954113 (646) 680-1525

Wyckoff Professional Medical Services, PC

1,587 mi

Internal Medicine

374 STOCKHOLM ST
Brooklyn, NY 11237

Reassigned Medicare billing, New York enrollment
427 clinicians in this Medicare group

NPI 1659710796 (718) 963-6485

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 3

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.

52 services34 patients

Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more 99213

This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.

19 services18 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.

16 services12 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 78229 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 10

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

DR. ALEX DE JESUS MD

Internal Medicine (Rheumatology)

7959 FREDERICKSBURG RD, SUITE 135
SAN ANTONIO, TX 78229

Bexar County (210) 396-7410

ALTACARE MEDICAL, INC.

Durable Medical Equipment & Medical Supplies

7959 FREDERICKSBURG RD, SUITE 111
SAN ANTONIO, TX 78229

Bexar County (210) 593-0901

VISION CENTRAL LLC

Optometrist

7959 FREDERICKSBURG RD
SAN ANTONIO, TX 78229

Bexar County (210) 735-5440

CYNTHIA FLETCHER TREVINO O.D.

Optometrist

7959 FREDERICKSBURG RD
SAN ANTONIO, TX 78229

Bexar County (210) 735-5440

DR. ALEX DE JESUS RHEUMATOLOGY PA

Internal Medicine (Rheumatology)

7959 FREDERICKSBURG RD, SUITE 135
SAN ANTONIO, TX 78229

Bexar County (210) 396-7410

FOOT HUGGER LLC

Prosthetic/Orthotic Supplier

7959 FREDERICKSBURG RD, SUITE 139
SAN ANTONIO, TX 78229

Bexar County (210) 615-3668

ALAMO PROSTHETHICS,ORTHOTICS AND MEDICAL EQUIPMENT INC.

Prosthetic/Orthotic Supplier

7959 FREDERICKSBURG RD
SAN ANTONIO, TX 78229

Bexar County (210) 913-2224

JIM DANDY MEDICAL, INC.

Durable Medical Equipment & Medical Supplies

7959 FREDERICKSBURG RD, SUITE 111
SAN ANTONIO, TX 78229

Bexar County (210) 615-9881

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 Sundas Ahmed's NPI number?

The NPI number for Sundas Ahmed is 1477040590. It was assigned to this individual provider in the NPPES registry on April 13, 2018.

Where is Sundas Ahmed located?

Sundas Ahmed practices at 7959 Fredericksburg Rd, San Antonio, TX 78229. The listed phone number is (726) 268-7439.

What is Sundas Ahmed's specialty?

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

Is Sundas Ahmed enrolled in Medicare?

Yes. Sundas Ahmed 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 Sundas Ahmed's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Sundas Ahmed reassigns Medicare benefits to 4 organizations: Wellmed Medical Group, PA (San Antonio, TX), Conviva Medical Center Management Of Texas, P.A. (Live Oak, TX), Advantagecare Physicians PC (Staten Island, NY) and Wyckoff Professional Medical Services, PC (Brooklyn, NY). 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 Sundas Ahmed's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

When was this NPI record last updated?

The NPPES record for Sundas Ahmed was last updated on August 17, 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.