Registry data as of Aug 27, 2026

Christina Day, M.D.

Anatomic Pathology Physician · Los Angeles, CA

Christina Day, M.D. is an anatomic pathology physician with a practice address in Los Angeles, California, and NPI 1245482835, issued on Oct 15, 2008. Check the license on the Medical Board of California; the Medicare figures below come from public CMS files.

Record from CMS NPPES, loaded Aug 27, 2026 · Medicare files 2023 and 2024 · method · Verify with CMS →

NPPES recordas of Aug 27, 2026
1245482835
Name
Christina Day
Credential
M.D.
Primary taxonomy
Anatomic Pathology Physician 207ZP0101X
Practice location
1500 San Pablo St, Los Angeles, CA 90033
Phone
(323) 442-9598
Enumerated
Oct 15, 2008
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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Also registered at 1500 San Pablo St

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

  1. Matthew Abad-Santos, MDVascular & Interventional Radiology Physician1487041406
  2. Ali Abanobi, CRNACertified Registered Nurse Anesthetist1740756196
  3. Emily AbbottCardiopulmonary Physical Therapist1053116251
  4. Hadi Abou El Hassan, MDNeurology Physician1053995720
  5. Taaha Adamji, MDStudent in an Organized Health Care Education/Training Program1770414377
  6. Nikhil AggarwalStudent in an Organized Health Care Education/Training Program1144029596

Verify Christina Day in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of CaliforniaCheck 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.

Statewide context: the Medical Board of California reported 374 disciplinary actions in FY 2022-23. California discipline data →

The practice group's Medicare quality score for 2023: 100 of 100

The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. 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 score
  2. Costout of 100 · 30%
  3. Promoting interoperabilityout of 100 · 25%100.0
  4. Improvement activities40 of 40 points · 15%100.0

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

Industry payments in 2024: $17.26

1 payment, mostly food and beverage; the largest payer was GlaxoSmithKline, LLC.. The 350 providers of this specialty with any payment received $3,383.81 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Christina Day$17.26
  2. Specialty average$3,383.81

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

One hospital or facility affiliation

  1. East Post Road Medical Services PCWhite Plains, NY

Source: CMS Doctors and Clinicians affiliations; Hospital General Information (Care Compare) (data.cms.gov). Star ratings are CMS hospital ratings, not ratings of this provider.

Anatomic Pathology Physician providers in California

There are 368 anatomic pathology physician records in California.

Other anatomic pathology physician records in California

  1. Abul Abbas, MBBSSan Francisco, CA1881652964
  2. Mitchell Adachi, MDSan Francisco, CA1720166366
  3. Brad Adler, M.D.Ventura, CA1003979618
  4. Ashna Aggarwal, MDSacramento, CA1235624362
  5. Yembur Ahmad, MDLos Angeles, CA1669978342
  6. Naoki Akanuma, MD PHDSacramento, CA1881222974
  7. Najeeb Alshak, MDLos Angeles, CA1487721387
  8. Charles Amezcua, M.D.Santa Rosa, CA1245373992
  9. Joseph Anderson, M.D.San Rafael, CA1003002494
  10. Sophia Apple, MDPasadena, CA1861437683

Common questions

What is Christina Day, M.D.'s NPI number?

Christina Day, M.D.'s National Provider Identifier (NPI) is 1245482835, issued on Oct 15, 2008. An NPI identifies a provider in billing; it is not a license.

Where is Christina Day, M.D. located?

The NPPES record lists a practice address at 1500 San Pablo St, Los Angeles, CA, 90033. Phone: (323) 442-9598. Providers update this record themselves, so call before visiting.

How can I verify Christina Day, M.D.'s license?

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.

What is Christina Day, M.D.'s Medicare quality score?

The 2023 MIPS final score is 100 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.

Source: CMS National Plan and Provider Enumeration System (NPPES), loaded Aug 27, 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.

Every figure on PlainDoctor is rendered directly from the federal CMS NPPES registry, Medicare Part D, MIPS, and Open Payments records, no number is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 27, 2026.