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Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

ALEXANDRIA K RENTERIA MD
NPI 1538519442
Hospitalist in West Hollywood, CA

Active since June 21, 2016PECOS EnrolledAccepts Medicare Assignment
8700 BEVERLY BLVD, WEST HOLLYWOOD, CA 90048(310) 423-5252(310) 423-8441 Get Directions Write a Review

NPPES record last updated: July 30, 2026. Verified against the NPPES registry weekly; last sync: August 16, 2026.

Record update history: Jul 30, 2026, Jul 14, 2026, Oct 9, 2024 and 2 more (5 updates tracked since 2016).

About Alexandria K Renteria Md NPPES

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

ALEXANDRIA K RENTERIA MD (NPI 1538519442) is an individual hospitalist provider in West Hollywood, California, licensed in Illinois (036168716) and active in the NPI registry since June 2016. She is enrolled in Medicare PECOS, is affiliated with Northwestern Memorial Hospital, and is a graduate of Indiana University School Of Medicine (2015).

NPPES Registry Identity

NPI1538519442
Entity TypeIndividualFemale
Primary Taxonomy208M00000X
Provider Legal NameALEXANDRIA K RENTERIACredential: MD
Location Address8700 BEVERLY BLVDWest Hollywood, CA 90048-1804
Mailing Address251 E Huron St Ste 16-738Chicago, IL 60611-3055 · (312) 926-5924 · Fax (312) 926-6134
Phone(310) 423-5252
Fax(310) 423-8441
Sole ProprietorNo
Medical School CMSIndiana University School Of MedicineGraduated 2015
Enumeration DateJune 21, 2016
Last NPPES UpdateJuly 30, 20265 updates tracked since enumeration
NPPES CertifiedJuly 30, 2026
✔ NPI 1538519442 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyHospitalistAllopathic & Osteopathic Physicians
Taxonomy Code208M00000X
Licenses✔ Licensed in IL · 036168716✔ Licensed in CA · A167509
Definition
Hospitalists are physicians whose primary professional focus is the general medical care of hospitalized patients. Their activities include patient care, teaching, research, and leadership related to Hospital Medicine. The term 'hospitalist' refers to physicians whose practice emphasizes providing care for hospitalized patients.
Also ListedInternal MedicineTaxonomy 207R00000X · License A167509 (CA)
8700 BEVERLY BLVD, West Hollywood, CA 90048
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Other Names 1

Other Name (5)Alexandria Williams Md

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

Alexandria K Renteria Md 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 ID4385932201
PECOS Enrollment IDI20240628000416
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 5

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.

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.
544 services149 patients
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 99232
Follow-up hospital inpatient care involves daily check-ups while you're admitted in the hospital. Typically, a healthcare provider spends about 25 minutes each day reviewing your condition, adjusting treatment if needed, and answering any questions you might have.
84 services28 patients
Hospital discharge day management, more than 30 minutes 99239
Hospital discharge day management over 30 minutes involves a detailed process to ensure a smooth transition from hospital to home. It includes final examinations, discussion of your hospital stay, post-discharge instructions, and coordinating follow-up care.
79 services78 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.
42 services42 patients
Hospital discharge day management, 30 minutes or less 99238
Hospital discharge day management of 30 minutes or less includes finalizing your treatment, discussing your progress, and planning after-care at home. It ensures you're ready to leave the hospital and continue recovery safely.
11 services11 patients

Hospital Affiliations CMS Care Compare

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

Northwestern Memorial Hospital

Acute Care Hospitals · Chicago, IL
5/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number140281
Location251 E Huron StChicago, IL 60611 · Cook County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 90048 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
$142.39 typical visit price
range $62.96 – $187.60
Typical copayment $35.59 (range $15.74 – $46.90)
Most-billed visit code 99204
Established Patient
$109.96 typical visit price
range $20.84 – $153.61
Typical copayment $27.49 (range $5.21 – $38.40)
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.

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.

Portable gaseous oxygen system, rental; includes portable container, regulator, flowmeter, humidifier, cannula or mask, and tubing E0431
DME-Oxygen and Supplies · category DC000N
2 suppliers13 claims13 services$12.59 avg. paid by Medicare
Oxygen concentrator, single delivery port, capable of delivering 85 percent or greater oxygen concentration at the prescribed flow rate E1390
DME-Oxygen and Supplies · category DC002N
4 suppliers23 claims23 services$56.20 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.

DR. BERNICE LOUISE COLEMAN PH.D, ACNP-BC
Nurse Practitioner (Acute Care)
8700 BEVERLY BLVD, NORTH TOWER ROOM 6215
WEST HOLLYWOOD, CA 90048
Los Angeles County (310) 423-6178
DR. INGRID LEAH DOMBROWER M.D.
Psychiatry & Neurology (Psychiatry)
8700 BEVERLY BLVD
WEST HOLLYWOOD, CA 90048
Los Angeles County (310) 423-2871
ELAINE WITTERT MSW
Social Worker (Clinical)
8700 BEVERLY BLVD, SUITE AC1002
WEST HOLLYWOOD, CA 90048
Los Angeles County (310) 423-3119
DR. KENAN MOHAMMED NADAR D.O.
Pediatrics
8700 BEVERLY BLVD
WEST HOLLYWOOD, CA 90048
Los Angeles County (310) 423-4451
HAE YOON GRACE CHOUNG MD
Pathology (Anatomic Pathology & Clinical Pathology)
8700 BEVERLY BLVD
WEST HOLLYWOOD, CA 90048
Los Angeles County (310) 423-6623
CASEY DISTASO MD
Emergency Medicine
8700 BEVERLY BLVD
WEST HOLLYWOOD, CA 90048
Los Angeles County (310) 423-8780
CHIARA CASAS NP
Nurse Practitioner (Pediatrics)
8700 BEVERLY BLVD
WEST HOLLYWOOD, CA 90048
Los Angeles County (310) 423-3277
PHILIP CHENG MD
Student in an Organized Health Care Education/Training Program
8700 BEVERLY BLVD
WEST HOLLYWOOD, CA 90048
Los Angeles County (310) 423-1682

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 Alexandria Renteria's NPI number?

The NPI number for Alexandria Renteria is 1538519442. It was assigned to this individual provider in the NPPES registry on June 21, 2016. The provider is also known as Alexandria Williams MD.

Where is Alexandria Renteria located?

Alexandria Renteria practices at 8700 Beverly Blvd, West Hollywood, CA 90048. The listed phone number is (310) 423-5252.

What is Alexandria Renteria's specialty?

The primary specialty registered for this NPI is Hospitalist with taxonomy code 208M00000X.

Is Alexandria Renteria enrolled in Medicare?

Yes. Alexandria Renteria 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.

Is Alexandria Renteria affiliated with any hospitals?

According to CMS data, Alexandria Renteria is affiliated with Northwestern Memorial Hospital.

When was this NPI record last updated?

The NPPES record for Alexandria Renteria was last updated on July 30, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 24 days 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.