DR. RONALD L DRENGLER M.D.
NPI 1265459168
Internal Medicine - Medical Oncology in San Antonio, TX

Active since July 16, 2006PECOS EnrolledAccepts Medicare Assignment
52.56/100
CMS Quality Rating
4383 MEDICAL DR, SAN ANTONIO, TX 78229(210) 593-5700(210) 593-5992 Get Directions Write a Review

NPPES record last updated: July 11, 2013. Verified against the NPPES registry weekly; last sync: August 09, 2026.

About Dr. Ronald L Drengler M.d. NPPES

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

DR. RONALD L DRENGLER M.D. (NPI 1265459168) is an individual medical oncology provider in San Antonio, Texas, licensed in Texas (J4091) and active in the NPI registry since July 2006. He is enrolled in Medicare PECOS, is affiliated with Methodist Hospital, and is a graduate of Other (1988).

NPPES Registry Identity

NPI1265459168
Entity TypeIndividualMale
Primary Taxonomy207RX0202X
Provider Legal NameDR. RONALD L DRENGLERCredential: M.D.
Location Address4383 MEDICAL DRSan Antonio, TX 78229-3307
Mailing Address4383 Medical DrSan Antonio, TX 78229-3307 · (210) 593-5700 · Fax (210) 593-5992
Fax(210) 593-5992
Sole ProprietorNo
Medical School CMSOtherGraduated 1988
Enumeration DateJuly 16, 2006
Last NPPES UpdateJuly 11, 2013
NPI 1265459168 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyInternal Medicine · Medical OncologyAllopathic & Osteopathic Physicians
Taxonomy Code207RX0202X
License Licensed in TX · J4091
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.
4383 MEDICAL DR, San Antonio, TX 78229

Other Identifiers 4

Medicare ID-Type Unspecified85843N
Medicare UPING25731
Other5412102Aetna Pin #
Medicaid118667801TX

Accepted 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. Ronald L Drengler 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 ID1850458217
PECOS Enrollment IDI20091217000497
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 77

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, nivolumab, 1 mg J9299
Nivolumab is a medication given via injection, often used in cancer treatment. It works by helping your immune system fight the cancer cells. The dosage is measured in milligrams (mg), with 1 mg being a common dose.
71,260 services38 patients
Injection, oxaliplatin, 0.5 mg J9263
Oxaliplatin is a chemotherapy drug that is administered via injection. It works by stopping cancer cells from growing and dividing, which helps in the treatment of certain types of cancer. The dosage is 0.5 mg, and it's important to follow your doctor's instructions for this treatment.
32,706 services22 patients
Injection, ferric carboxymaltose, 1 mg J1439
Ferric carboxymaltose is an iron supplement injection. It's given when your body needs more iron than you can consume through diet, like in anemia. The injection is administered by a healthcare professional into a vein.
21,750 services14 patients
Injection, pembrolizumab, 1 mg J9271
Pembrolizumab is a medication given via injection to help your body's immune system fight certain types of cancer. It's typically administered in a hospital or clinic by a healthcare professional.
19,600 services15 patients
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.
18,450 services40 patients
Injection, denosumab, 1 mg J0897
Denosumab is a medication given via injection to strengthen your bones. It works by slowing down the cells that break down bone, improving bone density and reducing the risk of fractures. It's often used for osteoporosis treatment.
8,040 services20 patients

Hospital Affiliations CMS Care Compare

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

Methodist Hospital

Acute Care Hospitals · San Antonio, TX
4/5 CMS rating
OwnershipProprietary
CMS Certification Number450388
Location7700 Floyd Curl 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.

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.

52.56/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Individually scored
Quality60.14
Promoting Interoperability0
Improvement Activities40

Reported Quality Measures

Breast Cancer Screening
52%174 patients3/55-star benchmark: 100%
Colorectal Cancer Screening
49%528 patients2/55-star benchmark: 100%
Documentation of Current Medications in the Medical Record
100%2,818 patients5/55-star benchmark: 100%
e-Prescribing
97%3,218 patients4/55-star benchmark: 100%
Oncology: Medical and Radiation - Plan of Care for Pain
100%171 patients5/55-star benchmark: 100%
Provide Patients Electronic Access to Their Health Information
93%861 patients4/55-star benchmark: 100%
Screening for Osteoporosis for Women Aged 65-85 Years of Age
28%192 patients2/55-star benchmark: 98%
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 2

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

Capecitabine, oral, 500 mg J8521
Treatment-Treatment - Miscellaneous · category RX029N
1 supplier25 claims1,770 services$0.65 avg. paid by Medicare
Pharmacy supply fee for oral anti-cancer, oral anti-emetic or immunosuppressive drug(s); for the first prescription in a 30-day period Q0511
Treatment-Chemotherapy · category RH012N
1 supplier20 claims20 services$19.06 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 20

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

Obstetrics & Gynecology (Gynecologic Oncology)
4383 MEDICAL DR
SAN ANTONIO, TX 78229
Internal Medicine (Medical Oncology)
4383 MEDICAL DR, 2ND FLOOR
SAN ANTONIO, TX 78229
Internal Medicine (Medical Oncology)
4383 MEDICAL DR
SAN ANTONIO, TX 78229
Internal Medicine (Hematology)
4383 MEDICAL DR
SAN ANTONIO, TX 78229
Nurse Practitioner (Family)
4383 MEDICAL DR
SAN ANTONIO, TX 78229
Surgery
4383 MEDICAL DR
SAN ANTONIO, TX 78229
Obstetrics & Gynecology (Gynecologic Oncology)
4383 MEDICAL DR
SAN ANTONIO, TX 78229
Internal Medicine (Medical Oncology)
4383 MEDICAL DR
SAN ANTONIO, TX 78229

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 Ronald Drengler's NPI number?

The NPI number for Ronald Drengler is 1265459168. It was assigned to this individual provider in the NPPES registry on July 16, 2006.

Where is Ronald Drengler located?

Ronald Drengler practices at 4383 Medical Dr, San Antonio, TX 78229. The listed phone number is (210) 593-5700.

What is Ronald Drengler's specialty?

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

Is Ronald Drengler enrolled in Medicare?

Yes. Ronald Drengler 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.

What insurance does Ronald Drengler accept?

Health plans from Blue Cross and Blue Shield of Texas and UnitedHealthcare list Ronald Drengler 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 Ronald Drengler affiliated with any hospitals?

According to CMS data, Ronald Drengler is affiliated with Methodist Hospital.

When was this NPI record last updated?

The NPPES record for Ronald Drengler was last updated on July 11, 2013. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 13 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.