DIFU GUAN MD
NPI 1831190362
Internal Medicine - Geriatric Medicine in San Antonio, TX

Q: What is Difu Guan's NPI number?

The NPI number for Difu Guan is 1831190362. It was assigned to this individual provider in the NPPES registry on August 9, 2005.

Q: What is Difu Guan's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Geriatric Medicine, with taxonomy code 207RG0300X.

Q: When was this NPI record last updated?

The NPPES record for Difu Guan was last updated on May 21, 2019. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 7 years 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 August 09, 2005PECOS Enrolled

8038 WURZBACH RD, SUITE 340, SAN ANTONIO, TX 78229(210) 614-0500(210) 614-4848 Get Directions Write a Review

NPPES record last updated: May 21, 2019. Verified against the NPPES registry weekly; last sync: August 02, 2026.

Record update history: May 21, 2019, May 13, 2019, Apr 18, 2019 (3 updates tracked since 2019).

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About Difu Guan Md NPPES

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

DIFU GUAN MD (NPI 1831190362) is an individual geriatric medicine provider in San Antonio, Texas, licensed in Texas (K8761) and active in the NPI registry since August 2005. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1831190362

Entity TypeIndividualFemale

Primary Taxonomy207RG0300X

Provider Legal NameDIFU GUANCredential: MD

Location Address8038 WURZBACH RD, SUITE 340San Antonio, TX 78229-3817

Mailing Address8038 Wurzbach Rd, Suite 340San Antonio, TX 78229-3817 · (210) 614-0500 · Fax (210) 614-4848

Phone(210) 614-0500

Fax(210) 614-4848

Sole ProprietorYes

Enumeration DateAugust 9, 2005

Last NPPES UpdateMay 21, 20193 updates tracked since enumeration

✔ NPI 1831190362 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal Medicine · Geriatric MedicineAllopathic & Osteopathic Physicians

Taxonomy Code207RG0300X

License✔ Licensed in TX · K8761

Definition

An internist who has special knowledge of the aging process and special skills in the diagnostic, therapeutic, preventive and rehabilitative aspects of illness in the elderly. This specialist cares for geriatric patients in the patient's home, the office, long-term care settings such as nursing homes and the hospital.

8038 WURZBACH RD, San Antonio, TX 78229

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Other Identifiers 1

Medicaid038764902TX

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Difu Guan Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

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.

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

$166.88 typical visit price

range $54.84 – $166.88

Typical copayment $41.72 (range $13.71 – $41.72)

Most-billed visit code 99205

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.

MARTIN J. WIESENTHAL, MD, PA

Internal Medicine

8038 WURZBACH RD, SUITE 320
SAN ANTONIO, TX 78229

Bexar County (210) 614-3365

DR. SAMMY C. VICK M.D.

Urology

8038 WURZBACH RD, STE 430
SAN ANTONIO, TX 78229

Bexar County (210) 616-0410

SYBIL J HUNTER NP

Nurse Practitioner (Family)

8038 WURZBACH RD, SUITE 340
SAN ANTONIO, TX 78229

Bexar County (210) 614-0500

UROLOGY CONSULTANTS, P.A.

Urology

8038 WURZBACH RD, STE 430
SAN ANTONIO, TX 78229

Bexar County (210) 616-0410

SETTERS MEDICAL GROUP PA

Hospitalist

8038 WURZBACH RD, SUITE 340
SAN ANTONIO, TX 78229

Bexar County (210) 614-0500

DR. DAVID M CROUCH MD

Surgery

8038 WURZBACH RD
SAN ANTONIO, TX 78229

Bexar County (210) 614-1830

ALAMO ONCOLOGY ASSOCIATES, PA

Specialist

8038 WURZBACH RD, STE 420
SAN ANTONIO, TX 78229

Bexar County (210) 616-9696

GARY W WEST M.D.

Specialist

8038 WURZBACH RD
SAN ANTONIO, TX 78229

Bexar County (210) 616-0866

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 Difu Guan's NPI number?

The NPI number for Difu Guan is 1831190362. It was assigned to this individual provider in the NPPES registry on August 9, 2005.

Where is Difu Guan located?

Difu Guan practices at 8038 Wurzbach Rd Suite 340, San Antonio, TX 78229. The listed phone number is (210) 614-0500.

What is Difu Guan's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Geriatric Medicine, with taxonomy code 207RG0300X.

Is Difu Guan enrolled in Medicare?

Yes. Difu Guan is registered in the Medicare PECOS enrollment system.

When was this NPI record last updated?

The NPPES record for Difu Guan was last updated on May 21, 2019. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 7 years 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.