1. Home
  2. Directory
  3. Texas
  4. San Antonio
  5. Internal Medicine
  6. NPI Profile

DR. JOCELYN VILLANUEVA ZARATE M.D.
NPI 1427054055
Internal Medicine in San Antonio, TX

Active since June 28, 2005PECOS EnrolledAccepts Medicare Assignment
1200 BROOKLYN AVE STE 310, SAN ANTONIO, TX 78212(210) 587-8787(210) 388-0239 Get Directions Write a Review

NPPES record last updated: October 20, 2020. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Oct 20, 2020, Sep 21, 2020, Sep 15, 2020 and 1 more (4 updates tracked since 2020).

About Dr. Jocelyn Villanueva Zarate M.d. NPPES

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

DR. JOCELYN VILLANUEVA ZARATE M.D. (NPI 1427054055) is an individual internal medicine provider in San Antonio, Texas, licensed in Texas (M3123) and active in the NPI registry since June 2005. She is enrolled in Medicare PECOS, is affiliated with Christus Santa Rosa Medical Center, and maintains a secondary practice location in San Antonio.

NPPES Registry Identity

NPI1427054055
Entity TypeIndividualFemale
Primary Taxonomy207R00000X
Provider Legal NameDR. JOCELYN VILLANUEVA ZARATECredential: M.D.
Location Address1200 BROOKLYN AVE STE 310San Antonio, TX 78212-4810
Mailing Address24014 Gran PalacioSan Antonio, TX 78261-2766 · (210) 587-8787 · Fax (210) 388-0239
Phone(210) 587-8787
Fax(210) 388-0239
Sole ProprietorNo
Medical School CMSOtherGraduated 1998
Enumeration DateJune 28, 2005
Last NPPES UpdateOctober 20, 20204 updates tracked since enumeration
NPPES CertifiedOctober 20, 2020
✔ NPI 1427054055 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
Licenses✔ Licensed in TX · M3123✔ Licensed in OH · 35-07-9365
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.
1200 BROOKLYN AVE STE 310, San Antonio, TX 78212
Open in Google Maps ↗

Other Names 1

Former Name (1)Dr. Jocelyn Hiroko Villanueva M.d.

Secondary Practice Location 1

Location 11200 Brooklyn Ave Ste 320San Antonio, TX 78212-4810 · Phone (210) 587-8787 · Fax (210) 388-0239

Other Identifiers 2

Medicaid1791261-01TX
Medicaid2288019OH

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

Dr. Jocelyn Villanueva Zarate 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 ID8224054176
PECOS Enrollment IDI20060224000599
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 Reassignment

Medicare enrollment records show Jocelyn Zarate reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Zarate Medical Group PA
Same address
Internal Medicine
1200 BROOKLYN AVE STE 310
San Antonio, TX 78212
  • Reassigned Medicare billing, Texas enrollment
  • 2 clinicians in this Medicare group
NPI 1285761809 (210) 587-8787

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 7

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.
379 services102 patients
Subsequent nursing facility care with moderate level of medical decision making, per day, if using time, at least 30 minutes 99309
A follow-up nursing facility visit per day is a daily check-in by a healthcare professional. This 25-minute visit typically involves monitoring your health progress, addressing any concerns, and adjusting treatment plans as necessary. It's a vital part of ensuring your ongoing wellbeing.
28 services16 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.
18 services13 patients
Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit G0439
An annual wellness visit is a yearly appointment with your primary care provider to create or update a personalized prevention plan. This plan helps prevent illness based on your current health and risk factors. It's a subsequent visit, meaning it follows an initial assessment.
16 services16 patients
Administration of influenza virus vaccine G0008
The administration of the influenza virus vaccine, also known as the flu shot, is a simple procedure to protect against the flu. A healthcare provider injects a small dose of the vaccine into your arm. This stimulates your immune system to produce antibodies, which will help your body fight off the flu if exposed.
12 services12 patients
Influenza vaccine split virus, preservative free 90662
The Influenza Vaccine Split Virus, preservative-free, is a flu shot to protect against the influenza virus. It is made from parts of inactivated flu viruses and doesn't contain preservatives, reducing potential side effects. It helps your body develop immunity to the flu.
11 services11 patients

Hospital Affiliations CMS Care Compare

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

Christus Santa Rosa Medical Center

Acute Care Hospitals · San Antonio, TX
4/5 CMS rating
OwnershipVoluntary non-profit - Church
CMS Certification Number450237
Location2827 Babcock RoadSan Antonio, TX 78229 · Bexar County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 78212 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.

Medicare Quality Performance CMS QPP · MIPS

Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.

Reported Quality Measures

Preventive Care and Screening: Body Mass Index (BMI) Screening and Follow-Up Plan
Percentage of patients aged 18 years and older with a BMI documented during the current encounter or during the previous twelve months AND with a BMI outside of normal parameters, a follow-up plan is documented during the encounter or during the previous…
100%163 patients5/55-star benchmark: 100%
Urinary Incontinence: Assessment of Presence or Absence of Urinary Incontinence in Women Aged 65 Years and Older
Percentage of female patients aged 65 years and older who were assessed for the presence or absence of urinary incontinence within 12 months
100%135 patients5/55-star benchmark: 100%
Providers report different measures because they deliver different services; reporting more or less information is not a reflection of quality. Star ratings appear only where CMS assigned them.

Referred Medical Equipment & Supplies CMS DME claims 6

Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.

Tracheostomy, inner cannula A4623
DME-Orthotic Devices · category DF000N
1 supplier11 claims682 services$5.38 avg. paid by Medicare
Tracheostomy care kit for established tracheostomy A4629
DME-Orthotic Devices · category DF000N
1 supplier12 claims372 services$4.49 avg. paid by Medicare
Tracheostomy tube collar/holder, each A7526
DME-Orthotic Devices · category DF000N
1 supplier12 claims372 services$3.27 avg. paid by Medicare
Enteral feeding supply kit; pump fed, per day, includes but not limited to feeding/flushing syringe, administration set tubing, dressings, tape B4035
Other-Enteral and Parenteral · category OB006N
2 suppliers16 claims474 services$4.65 avg. paid by Medicare
Enteral formula, nutritionally complete, calorically dense (equal to or greater than 1.5 kcal/ml) with intact nutrients, includes proteins, fats, carbohydrates, vitamins and minerals, may include fiber, administered through an enteral feeding tube, 100 calories = 1 unit B4152
Other-Enteral and Parenteral · category OB006N
1 supplier11 claims4,725 services$0.27 avg. paid by Medicare
Supply allowance for therapeutic continuous glucose monitor (cgm), includes all supplies and accessories, 1 month supply = 1 unit of service K0553
DME-Other DME · category DE017N
1 supplier12 claims12 services$215.65 avg. paid by Medicare
Dollar amounts are the average Medicare paid the supplier per service. They are not the cost to the patient.

Other Providers at the Same Location NPPES 2

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

ZARATE MEDICAL GROUP PA
Internal Medicine
1200 BROOKLYN AVE STE 310
SAN ANTONIO, TX 78212
Bexar County (210) 587-8787
DR. RUDOLFO PEDRAZA ZARATE JR. M.D.
Internal Medicine
1200 BROOKLYN AVE STE 310
SAN ANTONIO, TX 78212
Bexar County (210) 587-8787

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 Jocelyn Zarate's NPI number?

The NPI number for Jocelyn Zarate is 1427054055. It was assigned to this individual provider in the NPPES registry on June 28, 2005. The provider is also known as Dr. Jocelyn Hiroko Villanueva M.D..

Where is Jocelyn Zarate located?

Jocelyn Zarate practices at 1200 Brooklyn Ave Ste 310, San Antonio, TX 78212. The listed phone number is (210) 587-8787.

What is Jocelyn Zarate's specialty?

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

Is Jocelyn Zarate enrolled in Medicare?

Yes. Jocelyn Zarate 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 organization bills Medicare for Jocelyn Zarate's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Jocelyn Zarate reassigns Medicare benefits to Zarate Medical Group PA (San Antonio, TX). The 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 Jocelyn Zarate's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Jocelyn Zarate 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 Jocelyn Zarate 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 Jocelyn Zarate affiliated with any hospitals?

According to CMS data, Jocelyn Zarate is affiliated with Christus Santa Rosa Medical Center.

When was this NPI record last updated?

The NPPES record for Jocelyn Zarate was last updated on October 20, 2020. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 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.