Osman Adalberto Alvarado Portillo, MD
Internal Medicine Physician · Carson, CA
Osman Adalberto Alvarado Portillo, MD is an internal medicine physician with a practice address in Carson, California, and NPI 1881379899, issued on Jun 19, 2023. Check the license (California A208416, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Osman Adalberto Alvarado Portillo
- Credential
- MD
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- A208416 CA
Self-reported in NPPES; status is on the state search - Practice location
- 824 E Carson St Ste 104, Carson, CA 90745
- Phone
- (310) 233-3203
- Enumerated
- Jun 19, 2023
- Record last updated
- Jun 18, 2026
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 17,696 in California → Look up another NPI →
Also registered at 824 E Carson St Ste 104
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Christopher Bustamante, M.D.Family Medicine Physician1124233945
- Lorraine Nicole Chai, DNP, FNP-CFamily Nurse Practitioner1568088300
- Yogina Desai, M.D.Adult Medicine Physician1790043545
- Joann Dong, PHARM.D.Pharmacist1922159417
- Helen Joe, PHARM.D.Pharmacist1568509230
- Harrison Lee, D.O.Family Medicine Physician1033439765
Verify Osman Adalberto Alvarado Portillo in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A208416Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
93% fewer Medicare Part D claims than the average internal medicine physician in 2024
235 Medicare Part D claims for 56 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D.
Most prescribed
- Atorvastatin Calcium16 claims
- Alendronate Sodium12 claims
- Jardiance12 claims
- Lisinopril11 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Osman Adalberto Alvarado Portillo among 17,696 internal medicine physician records in California
Osman Adalberto Alvarado Portillo, MD is one of 17,696 internal medicine physician records with a practice address in California. 79% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2023, is newer than 98% of them.
- NPI issued2023 · 98% of these records are older, under 1% newer
- In a Medicare fileYes · 79% of these records are
- In the CMS Doctors and Clinicians fileNo · 63% of these records are
- Record last updated2026 · 61% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
13 internal medicine physician records list a practice address in Carson
They are 13 of the 806 NPPES records with a practice address in Carson, and 17,696 internal medicine physician records in California.
All 17,696 in California → Every provider in Carson → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Estrella Aguinaldo, M.D.Carson, CA 907451548339278
- Maria Cecilia Canlas, MDCarson, CA 907451558362905
- Lynn Coates, MDCarson, CA 907451851380315
- Reza Ghanian, MDCarson, CA 907451639151350
- Eugene Hardin, M.D.Carson, CA 907451366479123
- Israel Hernandez-Arce, MDCarson, CA 907451063690659
- Kurene Ma'o, M.D.Carson, CA 907451922103860
- Edgardo Osea, M.D.Carson, CA 907451699795476
Common questions
What is Osman Adalberto Alvarado Portillo, MD's NPI number?
Osman Adalberto Alvarado Portillo, MD's National Provider Identifier (NPI) is 1881379899, issued on Jun 19, 2023. An NPI identifies a provider in billing; it is not a license.
Where is Osman Adalberto Alvarado Portillo, MD located?
The NPPES record lists a practice address at 824 E Carson St Ste 104, Carson, CA, 90745. Phone: (310) 233-3203. Providers update this record themselves, so call before visiting.
How can I verify Osman Adalberto Alvarado Portillo, MD's license?
NPPES lists California license number A208416, as entered by the provider. Search the Medical Board of California at https://www.mbc.ca.gov/License-Verification/default.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Osman Adalberto Alvarado Portillo, MD prescribe under Medicare Part D?
In 2024, Osman Adalberto Alvarado Portillo, MD had 235 Medicare Part D claims for 56 beneficiaries; the average among internal medicine physician prescribers was 3,176. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.