NPPES file of Aug 9, 2026

Buzand Christopher Oganesian

Internal Medicine Physician · Colton, CA

Buzand Christopher Oganesian is an internal medicine physician with a practice address in Colton, California, and NPI 1568049591, issued on Mar 25, 2021. Check the license (California 20A22614., as entered in NPPES) on the Medical Board of California; 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
1568049591
Name
Buzand Christopher Oganesian
Primary taxonomy
Internal Medicine Physician 207R00000X
License number
20A22614. CA
Self-reported in NPPES; status is on the state search
Practice location
400 N Pepper Ave, Colton, CA 92324
Phone
(909) 580-1000
Enumerated
Mar 25, 2021
Record last updated
Dec 3, 2024
Medicare enrollment
Enrolled (PECOS I20250402001528); accepts Medicare assignment
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 400 N Pepper Ave

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

  1. Shangrila AbaricoRegistered Nurse1609659325
  2. Susana AbaroRegistered Nurse1114425162
  3. Patricia AbbaRegistered Nurse1013188838
  4. Mohammad Hossein Abbasi, MD, MPHStudent in an Organized Health Care Education/Training Program1609622166
  5. Ala AbedrabboCertified Registered Nurse Anesthetist1972333144
  6. Mary AboagyeLicensed Vocational Nurse1982875605

Verify Buzand Christopher Oganesian in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license 20A22614.
    Check 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
Open the California license search

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94% fewer Medicare Part D claims than the average internal medicine physician in 2024

182 Medicare Part D claims for 34 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D.

  1. Buzand Oganesian182
  2. Specialty average3,176

Most prescribed

  1. Atorvastatin Calcium15 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.

Industry payments in 2024: $415.87

17 payments; by number, the most common kind was food and beverage; the largest payer was Janssen Pharmaceuticals, Inc. The 50,334 providers of this specialty with any payment received $1,303.06 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Buzand Oganesian$415.87
  2. Specialty average$1,303.06

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

Bills Medicare through 3 group practices

  1. Clinic Services OF California Medical Group IncColton, CA
  2. Galen Inpatient Physicians PCGlendale, CA
  3. Quantum Healthcare Medical Associates IncColton, CA

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

Buzand Christopher Oganesian among 17,696 internal medicine physician records in California

Buzand Christopher Oganesian 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 2021, is newer than 92% of them.

  • NPI issued2021 · 92% of these records are older, 5% newer
  • In a Medicare fileYes · 79% of these records are
  • In the CMS Doctors and Clinicians fileYes · 63% of these records are
  • Graduated2021 · median 2004 among the 11,065 with a school on file
  • Record last updated2024 · 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).

67 internal medicine physician records list a practice address in Colton

They are 67 of the 2,459 NPPES records with a practice address in Colton, and 17,696 internal medicine physician records in California.

The 8 internal medicine physician records with the nearest ZIP codes

  1. Sarkis Arabian, DOColton, CA 923241336202266
  2. Yanfei Chen, MDColton, CA 923241437103322
  3. Calvin Duong, M.D.Colton, CA 923241184646119
  4. Anthony Enenmoh, MDColton, CA 923241811931603
  5. James Ericson, MDColton, CA 923241881731032
  6. Douglas Hay, MDColton, CA 923241386690980
  7. Ireny Ibrahim, MDColton, CA 923241811944598
  8. Cecilia Katz, MDColton, CA 923241376585349

Common questions

What is Buzand Christopher Oganesian's NPI number?

Buzand Christopher Oganesian's National Provider Identifier (NPI) is 1568049591, issued on Mar 25, 2021. An NPI identifies a provider in billing; it is not a license.

Where is Buzand Christopher Oganesian located?

The NPPES record lists a practice address at 400 N Pepper Ave, Colton, CA, 92324. Phone: (909) 580-1000. Providers update this record themselves, so call before visiting.

How can I verify Buzand Christopher Oganesian's license?

NPPES lists California license number 20A22614., 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 Buzand Christopher Oganesian prescribe under Medicare Part D?

In 2024, Buzand Christopher Oganesian had 182 Medicare Part D claims for 34 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.