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MARK ALAN JACOB M.D.
NPI 1952524399
Internal Medicine - Cardiovascular Disease in San Antonio, TX

Active since April 11, 2007PECOS EnrolledAccepts Medicare Assignment
4330 MEDICAL DR STE 500, SAN ANTONIO, TX 78229(210) 558-0122(210) 558-0120 Get Directions Write a Review

NPPES record last updated: July 16, 2015. Verified against the NPPES registry weekly; last sync: October 18, 2026.

About Mark Alan Jacob M.d. NPPES

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

MARK ALAN JACOB M.D. (NPI 1952524399) is an individual cardiovascular disease provider in San Antonio, Texas, licensed in Texas (F4114) and active in the NPI registry since April 2007. He is enrolled in Medicare PECOS, is affiliated with Uvalde Memorial Hospital, and is a graduate of University Of Texas Medical Branch At Galveston (1979).

NPPES Registry Identity

NPI1952524399
Entity TypeIndividualMale
Primary Taxonomy207RC0000X
Provider Legal NameMARK ALAN JACOBCredential: M.D.
Location Address4330 MEDICAL DR STE 500San Antonio, TX 78229-3318
Mailing Address4330 Medical Dr Ste 500San Antonio, TX 78229-3318 · (210) 558-0122 · Fax (210) 558-0120
Phone(210) 558-0122
Fax(210) 558-0120
Sole ProprietorNo
Medical School CMSUniversity Of Texas Medical Branch At GalvestonGraduated 1979
Enumeration DateApril 11, 2007
Last NPPES UpdateJuly 16, 2015
✔ NPI 1952524399 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal Medicine · Cardiovascular DiseaseAllopathic & Osteopathic Physicians
Taxonomy Code207RC0000X
License✔ Licensed in TX · F4114
Definition
An internist who specializes in diseases of the heart and blood vessels and manages complex cardiac conditions such as heart attacks and life-threatening, abnormal heartbeat rhythms.
4330 MEDICAL DR STE 500, San Antonio, TX 78229
Open in Google Maps ↗

Other Identifiers 3

Medicare UPINC17361TX
Medicaid135747703TX
OtherTXB150108Wellmed Networks Inc

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Ambetter from Arizona Complete Health, Ambetter from Arkansas Health & Wellness, Ambetter from Louisiana Healthcare Connections and more.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

Mark Alan Jacob 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 ID6608906797
PECOS Enrollment IDI20100616000795
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

2

Medicare enrollment records show Mark Jacob reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Wellmed Networks, Inc.
0.2 mi
Cardiovascular Disease
7622 LOUIS PASTEUR, SUITE 100
San Antonio, TX 78229
  • Reassigned Medicare billing, Texas enrollment
  • 233 clinicians in this Medicare group
NPI 1386948677 (210) 588-0122
Uvalde Medical And Surgical Associates
75 mi
Surgery
1195 GARNER FIELD RD, SUITE 300
Uvalde, TX 78801
  • Reassigned Medicare billing, Texas enrollment
  • 23 clinicians in this Medicare group
NPI 1730324500 (830) 278-3086

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 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.
57 services45 patients
New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more 99203
This service involves an initial office or outpatient visit for a new patient. The healthcare professional will spend 30-44 minutes understanding your health history, current issues, and discussing possible treatment plans. It's a comprehensive evaluation to start your healthcare journey.
17 services17 patients

Hospital Affiliations CMS Care Compare

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

Uvalde Memorial Hospital

Critical Access Hospitals · Uvalde, TX
OwnershipGovernment - Hospital District or Authority
CMS Certification Number451387
Location1025 Garner Field RoadUvalde, TX 78801 · Uvalde County
Emergency services

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
$68.55 typical visit price
range $17.52 – $136.11
Typical copayment $17.13 (range $4.38 – $34.02)
Most-billed visit code 99213
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 15

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

JOANNE KNIGHT D.O.
Family Medicine
4330 MEDICAL DR STE 500
SAN ANTONIO, TX 78229
Bexar County (210) 732-3668
DR. MARY JO KATHERINE HULL M.D.
Internal Medicine (Cardiovascular Disease)
4330 MEDICAL DR STE 500
SAN ANTONIO, TX 78229
Bexar County (210) 558-0122
MS. GABRIELLE GEORGE PA
Physician Assistant
4330 MEDICAL DR STE 500
SAN ANTONIO, TX 78229
Bexar County (210) 732-3668
DANIEL S. SA MD
Psychiatry & Neurology (Neurology)
4330 MEDICAL DR STE 500
SAN ANTONIO, TX 78229
Bexar County (210) 732-3668
RUBEN MATA FNP
Nurse Practitioner (Family)
4330 MEDICAL DR STE 500
SAN ANTONIO, TX 78229
Bexar County (210) 558-0122
NICOLE PAREDES
Nurse Practitioner (Family)
4330 MEDICAL DR STE 500
SAN ANTONIO, TX 78229
Bexar County (210) 558-0122
GABRIELA ELIZABETH BRZANKALSKI
Internal Medicine
4330 MEDICAL DR STE 500
SAN ANTONIO, TX 78229
Bexar County (210) 576-5306
MS. NICOLA JANE HARCHUT CNS
Clinical Nurse Specialist (Adult Health)
4330 MEDICAL DR STE 500
SAN ANTONIO, TX 78229
Bexar County (210) 732-3668

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 Mark Jacob's NPI number?

The NPI number for Mark Jacob is 1952524399. It was assigned to this individual provider in the NPPES registry on April 11, 2007.

Where is Mark Jacob located?

Mark Jacob practices at 4330 Medical Dr Ste 500, San Antonio, TX 78229. The listed phone number is (210) 558-0122.

What is Mark Jacob's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Cardiovascular Disease, with taxonomy code 207RC0000X.

Is Mark Jacob enrolled in Medicare?

Yes. Mark Jacob 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 Mark Jacob's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Mark Jacob reassigns Medicare benefits to 2 organizations: Wellmed Networks, Inc. (San Antonio, TX) and Uvalde Medical And Surgical Associates (Uvalde, 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 Mark Jacob's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Mark Jacob 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 2 other insurers list Mark Jacob 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 Mark Jacob affiliated with any hospitals?

According to CMS data, Mark Jacob is affiliated with Uvalde Memorial Hospital.

When was this NPI record last updated?

The NPPES record for Mark Jacob was last updated on July 16, 2015. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 11 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.