NPPES file of Aug 9, 2026

Christian Simeon

Internal Medicine Physician · Alameda, CA

Christian Simeon is an internal medicine physician with a practice address in Alameda, California, and NPI 1528339892, issued on Jan 19, 2012. Check the license (California A119248, 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 2023 and 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1528339892
Name
Christian Simeon
Primary taxonomy
Internal Medicine Physician 207R00000X
License number
A119248 CA
Self-reported in NPPES; status is on the state search
Practice location
2070 Clinton Ave, Alameda, CA 94501
Phone
(510) 522-3700
Enumerated
Jan 19, 2012
Record last updated
Nov 7, 2012 (not updated in 14 years: call before relying on the address or phone)
Fax
(510) 814-4391
Medicare enrollment
Enrolled (PECOS I20131023000906); 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.
Download card Updates feed

Also registered at 2070 Clinton Ave

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

  1. Jorge Aceves, M.D.Emergency Medicine Physician1801321229
  2. Nerissa Barreto, N.P.Family Nurse Practitioner1962824532
  3. David Belk, M.D.Internal Medicine Physician1386654366
  4. Lorraine Bonner, M.D.Internal Medicine Physician1033188149
  5. Robert Brooks, MDAnesthesiology Physician1386651750
  6. Garland Castaneda, MDInternal Medicine Physician1740676881

Verify Christian Simeon in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license A119248
    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

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

Is this page about you? You can ask us to correct, restrict or remove it: how.

89% fewer Medicare Part D claims than the average internal medicine physician in 2024

357 Medicare Part D claims for 77 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 23% of claims. 17 claims were for opioids.

  1. Christian Simeon357
  2. Specialty average3,176

Most prescribed

  1. Gabapentin24 claims
  2. Vraylar21 claims
  3. Atorvastatin Calcium20 claims
  4. Bupropion Hcl17 claims
  5. Amlodipine Besylate15 claims
  6. Lactulose13 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.

The MIPS final score for 2023 (Medicare payment program): 21.3 of 100

The Merit-based Incentive Payment System score is reported for this clinician. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.

  1. Qualityout of 100 · 30% of the final score0.0
  2. Costout of 100 · 30%70.9
  3. Promoting interoperabilitynot scored (reweighted)
  4. Improvement activities0 of 40 points · 15%0.0

Source: CMS Quality Payment Program, MIPS performance year 2023; category weights for 2023 (qpp.cms.gov).

Bills Medicare through one group practice

  1. Alameda Inpatient Medical IncAlameda, CA

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

Christian Simeon among 17,696 internal medicine physician records in California

Christian Simeon 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 2012, is newer than 68% of them.

  • NPI issued2012 · 68% of these records are older, 29% newer
  • In a Medicare fileYes · 79% of these records are
  • In the CMS Doctors and Clinicians fileYes · 63% of these records are
  • Graduated2011 · median 2004 among the 11,065 with a school on file
  • Record last updated2012 · 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).

31 internal medicine physician records list a practice address in Alameda

They are 31 of the 2,492 NPPES records with a practice address in Alameda, and 17,696 internal medicine physician records in California.

The 8 internal medicine physician records with the nearest ZIP codes

  1. Ernest Bonner, MDAlameda, CA 945011992785703
  2. Lorraine Bonner, M.D.Alameda, CA 945011033188149
  3. Jenna Brimmer, M.D.Alameda, CA 945011295703775
  4. Joanne Dephillips, M.D.Alameda, CA 945011538137963
  5. Robbin Green-Yeh, DOAlameda, CA 945011740290329
  6. Jagmohan Khaira, M.D.Alameda, CA 945011801864988
  7. James Kong, M.D.Alameda, CA 945011366426470
  8. Elpidio Magalong, M.D.Alameda, CA 945011992773279

Common questions

What is Christian Simeon's NPI number?

Christian Simeon's National Provider Identifier (NPI) is 1528339892, issued on Jan 19, 2012. An NPI identifies a provider in billing; it is not a license.

Where is Christian Simeon located?

The NPPES record lists a practice address at 2070 Clinton Ave, Alameda, CA, 94501. Phone: (510) 522-3700. Providers update this record themselves, so call before visiting.

How can I verify Christian Simeon's license?

NPPES lists California license number A119248, 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 Christian Simeon prescribe under Medicare Part D?

In 2024, Christian Simeon had 357 Medicare Part D claims for 77 beneficiaries; the average among internal medicine physician prescribers was 3,176. Part D covers Medicare prescriptions only.

What is Christian Simeon's MIPS final score?

The 2023 MIPS final score is 21.3 of 100. The average among 454,083 clinicians with a measured score was 83.5.

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.