NPPES file of Aug 9, 2026

Kwasi Osei, M.D.

Student in an Organized Health Care Education/Training Program · Woodland Hills, CA

Kwasi Osei, M.D. is a student in an organized health care education/training program with a practice address in Woodland Hills, California, and NPI 1275826281, issued on May 24, 2011. Check the license with the California board that licenses this profession; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1275826281
Name
Kwasi Osei
Credential
M.D.
Primary taxonomy
Student in an Organized Health Care Education/Training Program 390200000X
Practice location
5601 DE Soto Ave, Woodland Hills, CA 91367
Phone
(888) 515-3500
Enumerated
May 24, 2011
Record last updated
Dec 8, 2021 (not updated in 5 years: call before relying on the address or phone)
Medicare enrollment
Enrolled (PECOS I20141227000018); accepts Medicare assignment
Telehealth
Offers telehealth (CMS)
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 5601 DE Soto Ave

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Houry Abajian, PHARM.D.Pharmacist1235297383
  2. Cecille Abeleda, RCP, RRTRegistered Respiratory Therapist1316424872
  3. Sunitha AbrahamCertified Respiratory Therapist1114409679
  4. Arineh AbramPharmacist1760108401
  5. Stephano Abusleme, DOStudent in an Organized Health Care Education/Training Program1538747639
  6. Ani Adamian, PHARM DPharmacist1043841851

Verify Kwasi Osei in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich California board licenses this professionCheck the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
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PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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21.8 times the Medicare Part D claims of the average student in an organized health care education/training program in 2024

4,029 Medicare Part D claims for 1,003 beneficiaries, against an average of 185 among the 59,748 providers of this specialty who prescribed in Part D. Brand-name drugs were 11% of claims. 317 claims were for opioids.

  1. Kwasi Osei4,029
  2. Specialty average185

Most prescribed

  1. Atorvastatin Calcium314 claims
  2. Amlodipine Besylate223 claims
  3. Losartan Potassium200 claims
  4. Hydrocodone-Acetaminophen164 claims
  5. Lisinopril150 claims
  6. Rosuvastatin Calcium108 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.

Bills Medicare through one group practice

  1. Southern California Permanente Medical GroupFontana, CA

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Kwasi Osei among 40,652 student in an organized health care education/training program records in California

Kwasi Osei, M.D. is one of 40,652 student in an organized health care education/training program records with a practice address in California. 16% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2011, is newer than 4% of them.

  • NPI issued2011 · 4% of these records are older, 95% newer
  • In a Medicare fileYes · 16% of these records are
  • In the CMS Doctors and Clinicians fileYes · 6% of these records are
  • Graduated2011 · median 2017 among the 2,409 with a school on file
  • Record last updated2021 · 26% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 390200000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

81 student in an organized health care education/training program records list a practice address in Woodland Hills

They are 81 of the 4,455 NPPES records with a practice address in Woodland Hills, and 40,652 student in an organized health care education/training program records in California.

The 8 student in an organized health care education/training program records with the nearest ZIP codes

  1. Angela Alessi, M.D.Woodland Hills, CA 913671811288004
  2. Joshua Istrin, R.D.Woodland Hills, CA 913671497999809
  3. Shahrzad Lalezari, D.O.Woodland Hills, CA 913671336559038
  4. Farzin Levihaim, M.D.Woodland Hills, CA 913671114266798
  5. Takako Mukai, MDWoodland Hills, CA 913671366602427
  6. Kaori NakasoneWoodland Hills, CA 913671669730420
  7. Roberta Obadia, M.D.Woodland Hills, CA 913671780943605
  8. Susan RosenthalWoodland Hills, CA 913671376951764

Common questions

What is Kwasi Osei, M.D.'s NPI number?

Kwasi Osei, M.D.'s National Provider Identifier (NPI) is 1275826281, issued on May 24, 2011. An NPI identifies a provider in billing; it is not a license.

Where is Kwasi Osei, M.D. located?

The NPPES record lists a practice address at 5601 DE Soto Ave, Woodland Hills, CA, 91367. Phone: (888) 515-3500. Providers update this record themselves, so call before visiting.

How can I verify Kwasi Osei, M.D.'s license?

Search the California board that licenses this profession; the NPPES record confirms identity only.

How much does Kwasi Osei, M.D. prescribe under Medicare Part D?

In 2024, Kwasi Osei, M.D. had 4,029 Medicare Part D claims for 1,003 beneficiaries; the average among student in an organized health care education/training program prescribers was 185. 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.