DR. SHERRI RAUENZAHN CERVANTEZ M.D.
NPI 1760708291
Internal Medicine - Medical Oncology in San Antonio, TX

Q: What is Sherri Cervantez's NPI number?

The NPI number for Sherri Cervantez is 1760708291. It was assigned to this individual provider in the NPPES registry on April 8, 2010. The provider is also known as Dr. Sherri Lynne Rauenzahn MD.

Q: What is Sherri Cervantez's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Medical Oncology, with taxonomy code 207RX0202X.

Q: When was this NPI record last updated?

The NPPES record for Sherri Cervantez was last updated on April 7, 2026. NPI Profile syncs with the weekly NPPES data releases published by CMS.

Active since April 08, 2010PECOS EnrolledAccepts Medicare Assignment

7979 WURZBACH RD, SAN ANTONIO, TX 78229(210) 450-1143 Get Directions Write a Review

NPPES record last updated: April 7, 2026. Verified against the NPPES registry weekly; last sync: July 26, 2026.

Record update history: Apr 7, 2026, Mar 25, 2026, Jul 21, 2022 and 2 more (5 updates tracked since 2017).

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About Dr. Sherri Rauenzahn Cervantez M.d. NPPES

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

DR. SHERRI RAUENZAHN CERVANTEZ M.D. (NPI 1760708291) is an individual medical oncology provider in San Antonio, Texas, licensed in Texas (R3044) and active in the NPI registry since April 2010. She is enrolled in Medicare PECOS, is affiliated with University Health System, and is a graduate of Other (2010).

NPPES Registry Identity

NPI1760708291

Entity TypeIndividualFemale

Primary Taxonomy207RX0202X

Provider Legal NameDR. SHERRI RAUENZAHN CERVANTEZCredential: M.D.

Location Address7979 WURZBACH RDSan Antonio, TX 78229-4427

Mailing Address7703 Floyd Curl DrSan Antonio, TX 78229-3901 · (210) 450-1143

Phone(210) 450-1143

Sole ProprietorNo

Medical School CMSOtherGraduated 2010

Enumeration DateApril 8, 2010

Last NPPES UpdateApril 7, 20265 updates tracked since enumeration

NPPES CertifiedApril 7, 2026

✔ NPI 1760708291 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 3

★ Primary SpecialtyInternal Medicine · Medical OncologyAllopathic & Osteopathic Physicians

Taxonomy Code207RX0202X

License✔ Licensed in TX · R3044

Definition

An internist who specializes in the diagnosis and treatment of all types of cancer and other benign and malignant tumors. This specialist decides on and administers therapy for these malignancies as well as consults with surgeons and radiotherapists on other treatments for cancer.

Also ListedInternal Medicine · Hospice and Palliative MedicineTaxonomy 207RH0002X · License R3044 (TX)

Also ListedInternal Medicine · Hematology & OncologyTaxonomy 207RH0003X · License R3044 (TX)

7979 WURZBACH RD, San Antonio, TX 78229

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Other Names 1

Former Name (1)Dr. Sherri Lynne Rauenzahn Md

Other Identifiers 2

Medicaid371818101TX

Other371818102TX · Cshcn

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Blue Cross and Blue Shield of Texas, Imperial Insurance Companies, Inc., Molina Healthcare.Insurance ›

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Dr. Sherri Rauenzahn Cervantez 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 ID8820239874

PECOS Enrollment IDI20170619002634

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.

Areas of Expertise CMS Part B claims 23

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.

Injection, fosaprepitant, 1 mg J1453

Fosaprepitant is an anti-nausea medication given via injection. It's often used to prevent nausea and vomiting caused by chemotherapy. This injection blocks signals to the brain that trigger these symptoms, helping you feel better.

2,100 services11 patients

Bcg live intravesical instillation, 1 mg J9030

BCG live intravesical instillation is a procedure where a weakened form of a bacteria is introduced into your bladder. This helps your body's immune system to fight off certain bladder conditions. The procedure is generally safe and effective.

886 services20 patients

Injection, docetaxel, 1 mg J9171

Docetaxel is a medication given via injection to treat various types of cancer. It works by stopping cancer cells from growing and dividing. Each injection contains 1 mg of docetaxel. Side effects can occur, so regular monitoring is essential.

734 services11 patients

Injection, dexamethasone sodium phosphate, 1 mg J1100

Dexamethasone sodium phosphate is a medication given via injection. It is a type of steroid that helps reduce inflammation and immune responses. It can be used to treat a variety of conditions, such as allergies, skin conditions, arthritis, and more.

416 services26 patients

Injection, ondansetron hydrochloride, per 1 mg J2405

Ondansetron hydrochloride is a medication given via injection to help prevent nausea and vomiting, often due to chemotherapy or surgery. It works by blocking certain chemicals in the body that trigger these symptoms.

345 services16 patients

Injection, gemcitabine hydrochloride, not otherwise specified, 200 mg J9201

Gemcitabine hydrochloride is a medication given via injection to treat certain types of cancer. The 200 mg dose is administered by a healthcare professional. The drug works by slowing or stopping the growth of cancer cells in the body. It's important to follow your doctor's instructions while receiving this treatment.

206 services22 patients

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.

199 services76 patients

Injection, palonosetron hcl, 25 mcg J2469

Palonosetron HCL is an injection used to prevent nausea and vomiting caused by chemotherapy. It works by blocking a natural substance (serotonin) in the body that can cause vomiting. This helps improve your comfort during cancer treatment.

150 services12 patients

Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 99233

Follow-up hospital inpatient care per day typically involves a 35-minute check-up by your healthcare provider. This service includes monitoring your health progress, adjusting your treatment plan if needed, and answering any questions you may have about your condition or care.

78 services38 patients

Injection of additional new drug or substance into vein 96375

This procedure involves introducing a new medication or substance into your bloodstream via a vein. It's typically done using a small needle. The substance can help treat various conditions or assist in diagnostic procedures. It's generally safe and monitored by professionals.

71 services31 patients

Administration of chemotherapy into vein, 1 hour or less 96413

Chemotherapy is a treatment that uses drugs to destroy cancer cells. When administered into a vein, it's often through an IV. This procedure usually lasts 1 hour or less. You may feel a slight pinch as the needle is inserted, but it's generally painless.

70 services50 patients

Infusion into a vein for therapy, prevention, or diagnosis, additional sequential infusion, 1 hour or less 96367

This procedure involves injecting fluids or medication directly into your vein. It's used for treatment, prevention, or diagnosis. An additional sequential infusion may be given within an hour if needed. This helps to ensure the medicine is distributed effectively in your body.

59 services29 patients

Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more 99215

This service involves a follow-up appointment for existing patients, lasting between 40 to 54 minutes. During this time, your healthcare provider will assess your current health status, discuss any changes or concerns, review your treatment plan, and answer any questions you may have.

53 services40 patients

Instillation of anti-cancer drug into bladder 51720

This procedure involves introducing a medication into the bladder to help fight off harmful cells. A small tube is gently placed into the area where urine exits the body. Through this tube, the medication is delivered directly into the bladder for maximum effectiveness.

42 services33 patients

Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 99223

Initial hospital inpatient care per day, typically 70 minutes, refers to the daily medical service provided to patients admitted to the hospital. This includes a comprehensive evaluation, diagnosis, treatment plan, and monitoring of your health condition. It ensures your well-being during your hospital stay.

37 services36 patients

Administration of chemotherapy into vein, each additional hour 96415

Chemotherapy is a treatment method that uses drugs to destroy cancer cells. The drugs are administered into a vein, usually in the arm. Each additional hour of chemotherapy allows for more of the medication to enter your bloodstream to fight against the cancer cells.

27 services12 patients

Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more 99215

25 services20 patients

Administration of additional new drug or substance into vein, 1 hour or less 96417

This procedure involves introducing a new drug or substance into your vein, typically via an IV drip. It lasts for an hour or less. This method allows the substance to quickly reach your bloodstream, ensuring rapid and effective treatment.

24 services15 patients

Injection of drug or substance under skin or into muscle 96372

This procedure involves administering medication directly under the skin or into a muscle. A small needle is used to inject the drug, allowing it to be absorbed quickly into the bloodstream. It's a common method for delivering a variety of medications.

21 services17 patients

Administration of non-hormonal anti-neoplastic chemotherapy under skin or into muscle 96401

This procedure involves giving anti-cancer drugs, which don't contain hormones, into the muscle or under the skin. These drugs help to stop the growth of cancer cells. The process is usually quick and done by a healthcare professional.

17 services11 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.

16 services14 patients

Infusion into a vein for hydration, each additional hour 96361

This procedure involves delivering fluids directly into your vein to keep your body hydrated. It is typically done when oral hydration is insufficient. Each additional hour means more fluid is infused to ensure adequate hydration.

15 services12 patients

Injection, diphenhydramine hcl, up to 50 mg J1200

Diphenhydramine HCL injection is a medicine given to alleviate symptoms of allergies, colds, or hay fever. It can also help with motion sickness and certain symptoms of Parkinson's disease. Up to 50 mg may be administered depending on your condition.

14 services11 patients

Hospital Affiliations CMS Care Compare

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

University Health System

Acute Care Hospitals · San Antonio, TX

3/5 CMS rating

OwnershipGovernment - Hospital District or Authority

CMS Certification Number450213

Location4502 Medical DrSan Antonio, TX 78229 · Bexar County

Emergency services Birthing friendly

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.

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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.

DR. MATTHEW JAMES BUTLER M.D.

Internal Medicine (Hematology & Oncology)