NPPES file of Aug 9, 2026

Timothy McCajor Hall, MD, PHD

Psychiatry Physician · Santa Monica, CA

Timothy McCajor Hall, MD, PHD is a psychiatry physician with a practice address in Santa Monica, California, and NPI 1417101965, issued on Nov 11, 2008. Check the license (California A108863, 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
1417101965
Name
Timothy McCajor Hall
Credential
MD, PHD
Primary taxonomy
Psychiatry Physician 2084P0800X
License number
A108863 CA
Self-reported in NPPES; status is on the state search
Practice location
1920 Colorado Ave, Santa Monica, CA 90404
Phone
(310) 319-4700
Enumerated
Nov 11, 2008
Record last updated
Dec 2, 2019 (not updated in 7 years: call before relying on the address or phone)
Fax
(310) 453-5106
Medicare enrollment
Enrolled (PECOS I20110524000555); accepts Medicare assignment
Medical or professional school
University Of California, San Diego School Of Medicine, 2005
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 1920 Colorado Ave

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

  1. Meron Abreham, MDFamily Medicine Physician1003494253
  2. Anne Arikian, M.D.Family Medicine Physician1144321522
  3. Junun Bae, DOGeriatric Medicine (Family Medicine) Physician1598384901
  4. Michael Baham, MDStudent in an Organized Health Care Education/Training Program1528860038
  5. David BalesStudent in an Organized Health Care Education/Training Program1447953906
  6. Andrea Banuelos Mota, MDStudent in an Organized Health Care Education/Training Program1184201006

Verify Timothy McCajor Hall in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license A108863
    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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31% fewer Medicare Part D claims than the average psychiatry physician in 2024

691 Medicare Part D claims for 31 beneficiaries, against an average of 1,000 among the 35,054 providers of this specialty who prescribed in Part D. Brand-name drugs were 6% of claims. 12 claims were for opioids.

  1. Timothy Hall691
  2. Specialty average1,000

Most prescribed

  1. Bupropion Xl70 claims
  2. Lamotrigine68 claims
  3. Diazepam53 claims
  4. Lorazepam30 claims
  5. Quetiapine Fumarate30 claims
  6. Buspirone Hcl28 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 practice group's MIPS final score for 2023 (Medicare payment program): 97.2 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 score95.9
  2. Costout of 100 · 30%64.7
  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).

Bills Medicare through one group practice

  1. UC RegentsSanta Monica, CA

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

Timothy McCajor Hall among 8,673 psychiatry physician records in California

Timothy McCajor Hall, MD, PHD is one of 8,673 psychiatry physician records with a practice address in California. 67% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2008, is newer than 52% of them.

  • NPI issued2008 · 52% of these records are older, 43% newer
  • In a Medicare fileYes · 67% of these records are
  • In the CMS Doctors and Clinicians fileYes · 38% of these records are
  • Graduated2005 · median 2005 among the 3,295 with a school on file
  • Record last updated2019 · 54% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2084P0800X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

78 psychiatry physician records list a practice address in Santa Monica

They are 78 of the 5,151 NPPES records with a practice address in Santa Monica, and 8,673 psychiatry physician records in California.

The 8 psychiatry physician records with the nearest ZIP codes

  1. Zoe Aron, M.D.Santa Monica, CA 904041396952545
  2. Thomas Ciesla, MDSanta Monica, CA 904041780683169
  3. Edward Elliott, MDSanta Monica, CA 904041780616979
  4. Soo Yeon Kang, M.D,Santa Monica, CA 904041508038415
  5. Todd Liou, MDSanta Monica, CA 904041952987554
  6. Jasmine Mackic-Magyar, M.D.Santa Monica, CA 904041881727477
  7. Anise Noggle, MDSanta Monica, CA 904041912326943
  8. Pamela Perry-Hunter, M.D.Santa Monica, CA 904041891914222

Common questions

What is Timothy McCajor Hall, MD, PHD's NPI number?

Timothy McCajor Hall, MD, PHD's National Provider Identifier (NPI) is 1417101965, issued on Nov 11, 2008. An NPI identifies a provider in billing; it is not a license.

Where is Timothy McCajor Hall, MD, PHD located?

The NPPES record lists a practice address at 1920 Colorado Ave, Santa Monica, CA, 90404. Phone: (310) 319-4700. Providers update this record themselves, so call before visiting.

How can I verify Timothy McCajor Hall, MD, PHD's license?

NPPES lists California license number A108863, 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 Timothy McCajor Hall, MD, PHD prescribe under Medicare Part D?

In 2024, Timothy McCajor Hall, MD, PHD had 691 Medicare Part D claims for 31 beneficiaries; the average among psychiatry physician prescribers was 1,000. Part D covers Medicare prescriptions only.

What is Timothy McCajor Hall, MD, PHD's MIPS final score?

The 2023 MIPS final score is 97.2 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), 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.