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OSMAN ADALBERTO ALVARADO PORTILLO MD
NPI 1881379899
Internal Medicine in Carson, CA

Active since June 19, 2023PECOS Enrolled
824 E CARSON ST STE 104, CARSON, CA 90745(310) 233-3203 Get Directions Write a Review

NPPES record last updated: June 18, 2026. Verified against the NPPES registry weekly; last sync: October 25, 2026.

About Osman Adalberto Alvarado Portillo Md NPPES

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

OSMAN ADALBERTO ALVARADO PORTILLO MD (NPI 1881379899) is an individual internal medicine provider in Carson, California, licensed in California (A208416) and active in the NPI registry since June 2023. He is enrolled in Medicare PECOS, maintains a secondary practice location in Bronx, and is a graduate of Other (2014).

NPPES Registry Identity

NPI1881379899
Entity TypeIndividualMale
Primary Taxonomy207R00000X
Provider Legal NameOSMAN ADALBERTO ALVARADO PORTILLOCredential: MD
Location Address824 E CARSON ST STE 104Carson, CA 90745-2262
Mailing AddressPo Box 35380Las Vegas, NV 89133-5380
Phone(310) 233-3203
Sole ProprietorNo
Medical School CMSOtherGraduated 2014
Enumeration DateJune 19, 2023
Last NPPES UpdateJune 18, 2026
NPPES CertifiedJune 18, 2026
✔ NPI 1881379899 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
License✔ Licensed in CA · A208416
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.
Also ListedStudent in an Organized Health Care Education/Training ProgramTaxonomy 390200000X
824 E CARSON ST STE 104, Carson, CA 90745
Open in Google Maps ↗

Secondary Practice Location 1

Location 14422 3rd AveBronx, NY 10457-2594 · Phone (718) 960-6202 ext. 6211

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Osman Adalberto Alvarado Portillo Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

PECOS PAC ID7012472954
PECOS Enrollment IDI20260721003024
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 Osman Alvarado Portillo reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Healthcare Partners Affiliates Medical Group
14 mi
Internal Medicine
1120 W WASHINGTON BLVD
Los Angeles, CA 90015
  • Reassigned Medicare billing, California enrollment
  • 2,052 clinicians in this Medicare group
NPI 1659312593 (213) 623-2225

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 90745 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.

Other Providers at the Same Location NPPES 7

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

DR. HARRISON LEE D.O.
Family Medicine
824 E CARSON ST STE 104
CARSON, CA 90745
Los Angeles County (310) 793-3520
DR. CHRISTOPHER D BUSTAMANTE M.D.
Family Medicine
824 E CARSON ST STE 104
CARSON, CA 90745
Los Angeles County (310) 830-9706
LORRAINE NICOLE GONZALES CHAI DNP, FNP-C
Nurse Practitioner (Family)
824 E CARSON ST STE 104
CARSON, CA 90745
Los Angeles County (310) 830-9706
DR. HELEN JOE PHARM.D.
Pharmacist
824 E CARSON ST STE 104
CARSON, CA 90745
Los Angeles County (310) 847-7624
DR. EDGARDO ALVAREZ OSEA M.D.
Internal Medicine
824 E CARSON ST STE 104
CARSON, CA 90745
Los Angeles County (310) 952-8212
YOGINA CHANDRAKANT DESAI M.D.
Family Medicine (Adult Medicine)
824 E CARSON ST STE 104
CARSON, CA 90745
Los Angeles County (310) 793-3520
DR. JOANN N DONG PHARM.D.
Pharmacist
824 E CARSON ST STE 104
CARSON, CA 90745
Los Angeles County (310) 952-8232

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 Osman Alvarado Portillo's NPI number?

The NPI number for Osman Alvarado Portillo is 1881379899. It was assigned to this individual provider in the NPPES registry on June 19, 2023.

Where is Osman Alvarado Portillo located?

Osman Alvarado Portillo practices at 824 E Carson St Ste 104, Carson, CA 90745. The listed phone number is (310) 233-3203.

What is Osman Alvarado Portillo's specialty?

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

Is Osman Alvarado Portillo enrolled in Medicare?

Yes. Osman Alvarado Portillo is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Osman Alvarado Portillo's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Osman Alvarado Portillo reassigns Medicare benefits to Healthcare Partners Affiliates Medical Group (Los Angeles, CA). 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 Osman Alvarado Portillo's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

When was this NPI record last updated?

The NPPES record for Osman Alvarado Portillo was last updated on June 18, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 months 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.