NPPES file of Aug 9, 2026

Alexandra A. Chrysanthis, MD

Internal Medicine Physician · Los Alamitos, CA

Alexandra A. Chrysanthis, MD is an internal medicine physician with a practice address in Los Alamitos, California, and NPI 1588734974, issued on Nov 9, 2006. Check the license (California A62293, 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
1588734974
Name
Alexandra A. Chrysanthis
Credential
MD
Primary taxonomy
Internal Medicine Physician 207R00000X
License number
A62293 CA
Self-reported in NPPES; status is on the state search
Practice location
10861 Cherry St, Los Alamitos, CA 90720
Phone
(562) 795-6406
Enumerated
Nov 9, 2006
Record last updated
Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
Fax
(562) 795-6409
Medicare enrollment
Enrolled (PECOS I20040122000344); accepts Medicare assignment
Medical or professional school
Perelman School Of Med At The University Of Pennsylvania, 1995
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 10861 Cherry St

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

  1. Virginia Agnelli, M.D.Obstetrics & Gynecology Physician1982643763
  2. Tyson Curtis, DDSEndodontics1255677951
  3. Arlene Dolorico, MDOphthalmology Physician1861464000
  4. Larry Drum, MDInternal Medicine Physician1316018112
  5. Farbod Esmailian, MDPlastic Surgery Physician1578677969
  6. Anne Freeman, ODOptometrist1568434728

Verify Alexandra A. Chrysanthis in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license A62293
    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.

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100% more Medicare Part D claims than the average internal medicine physician in 2024

6,344 Medicare Part D claims for 531 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 10% of claims. 45 claims were for opioids.

  1. Alexandra Chrysanthis6,344
  2. Specialty average3,176

Most prescribed

  1. Atorvastatin Calcium489 claims
  2. Amlodipine Besylate488 claims
  3. Levothyroxine Sodium383 claims
  4. Losartan Potassium364 claims
  5. Rosuvastatin Calcium344 claims
  6. Metoprolol Succinate143 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): 91.2 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 score92.0
  2. Costout of 100 · 30%81.4
  3. Promoting interoperabilitynot scored (reweighted)
  4. Improvement activities40 of 40 points · 15%100.0

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

Industry payments in 2024: $404.30

15 payments; by number, the most common kind was food and beverage; the largest payer was Lilly USA, LLC. 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. Alexandra Chrysanthis$404.30
  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.

Alexandra A. Chrysanthis among 17,696 internal medicine physician records in California

Alexandra A. Chrysanthis, 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 2006, is newer than 5% of them.

  • NPI issued2006 · 5% of these records are older, 56% newer
  • In a Medicare fileYes · 79% of these records are
  • In the CMS Doctors and Clinicians fileYes · 63% of these records are
  • Graduated1995 · median 2004 among the 11,065 with a school on file
  • Record last updated2007 · 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).

40 internal medicine physician records list a practice address in Los Alamitos

They are 40 of the 1,035 NPPES records with a practice address in Los Alamitos, and 17,696 internal medicine physician records in California.

The 8 internal medicine physician records with the nearest ZIP codes

  1. Barry Allswang, MDLos Alamitos, CA 907201720016397
  2. Carlos ArguedasLos Alamitos, CA 907201023075579
  3. Vichai Bhoopat, M.D.Los Alamitos, CA 907201841211497
  4. Winston Chung, MDLos Alamitos, CA 907201851322085
  5. Gerald Cohen, MDLos Alamitos, CA 907201306877253
  6. Heena Contractor, M.D.Los Alamitos, CA 907201518954973
  7. William Harrell, MDLos Alamitos, CA 907201083673685
  8. Taolin Jen, M.D.Rossmoor, CA 907201457384828

Common questions

What is Alexandra A. Chrysanthis, MD's NPI number?

Alexandra A. Chrysanthis, MD's National Provider Identifier (NPI) is 1588734974, issued on Nov 9, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Alexandra A. Chrysanthis, MD located?

The NPPES record lists a practice address at 10861 Cherry St, Los Alamitos, CA, 90720. Phone: (562) 795-6406. Providers update this record themselves, so call before visiting.

How can I verify Alexandra A. Chrysanthis, MD's license?

NPPES lists California license number A62293, 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 Alexandra A. Chrysanthis, MD prescribe under Medicare Part D?

In 2024, Alexandra A. Chrysanthis, MD had 6,344 Medicare Part D claims for 531 beneficiaries; the average among internal medicine physician prescribers was 3,176. Part D covers Medicare prescriptions only.

What is Alexandra A. Chrysanthis, MD's MIPS final score?

The 2023 MIPS final score is 91.2 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.