NPPES file of Aug 9, 2026

Timothy Cross Ballard, M.D.

Emergency Medicine Physician · Pasadena, CA

Timothy Cross Ballard, M.D. is an emergency medicine physician with a practice address in Pasadena, California, and NPI 1710090816, issued on Aug 16, 2006. Check the license (California A94006, 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
1710090816
Name
Timothy Cross Ballard
Credential
M.D.
Primary taxonomy
Emergency Medicine Physician 207P00000X
License number
A94006 CA
Self-reported in NPPES; status is on the state search
Practice location
401 S Fair Oaks Ave, Pasadena, CA 91105
Phone
(626) 795-2244
Enumerated
Aug 16, 2006
Record last updated
Dec 18, 2024
Fax
(626) 795-5378
Medicare enrollment
Enrolled (PECOS I20061120000381); accepts Medicare assignment
Medical or professional school
Duke University School Of Medicine, 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 401 S Fair Oaks Ave

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

  1. Randy Debber, PA-CMedical Physician Assistant1679627103
  2. Mark Hoffman, M.D.Internal Medicine Physician1902860109
  3. Precioustoni JacksonClinical Social Worker1790250116
  4. Lu Jiao, MDInternal Medicine Physician1023162187
  5. Phillip Lee, M.D.Dermatology Physician1578628731
  6. Victor Luu, M.D.Family Medicine Physician1437172970

Verify Timothy Cross Ballard in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license A94006
    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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11% fewer Medicare Part D claims than the average emergency medicine physician in 2024

202 Medicare Part D claims for 123 beneficiaries, against an average of 226 among the 54,106 providers of this specialty who prescribed in Part D. 11 claims were for opioids.

  1. Timothy Ballard202
  2. Specialty average226

Most prescribed

  1. Ibuprofen25 claims
  2. Ondansetron Odt24 claims
  3. Sulfamethoxazole-Trimethoprim14 claims
  4. Naproxen11 claims
  5. Prednisone11 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.

Bills Medicare through one group practice

  1. Cep America - CaliforniaSan Bernardino, CA

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

Timothy Cross Ballard among 7,751 emergency medicine physician records in California

Timothy Cross Ballard, M.D. is one of 7,751 emergency medicine physician records with a practice address in California. 81% 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 4% of them.

  • NPI issued2006 · 4% of these records are older, 60% newer
  • In a Medicare fileYes · 81% of these records are
  • In the CMS Doctors and Clinicians fileYes · 59% of these records are
  • Graduated1995 · median 2011 among the 4,560 with a school on file
  • Record last updated2024 · 59% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207P00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Emergency Medicine Physician providers in California

There are 7,751 emergency medicine physician records in California.

The 8 emergency medicine physician records with the nearest ZIP codes

  1. Betty Ahn, MDPasadena, CA 911051902862089
  2. Roy Antelyes, M.D.Pasadena, CA 911051275648610
  3. Bradley Gerberich, M.D.Pasadena, CA 911051790728277
  4. William Gregory, MDPasadena, CA 911051659337350
  5. Stanley Kalter, MDPasadena, CA 911051518071125
  6. Taline Kilaghbian, M.D.Pasadena, CA 911051699889212
  7. Mai Lai, MDPasadena, CA 911051841232717
  8. Brandon Lew, D.O.Pasadena, CA 911051851405203

Common questions

What is Timothy Cross Ballard, M.D.'s NPI number?

Timothy Cross Ballard, M.D.'s National Provider Identifier (NPI) is 1710090816, issued on Aug 16, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Timothy Cross Ballard, M.D. located?

The NPPES record lists a practice address at 401 S Fair Oaks Ave, Pasadena, CA, 91105. Phone: (626) 795-2244. Providers update this record themselves, so call before visiting.

How can I verify Timothy Cross Ballard, M.D.'s license?

NPPES lists California license number A94006, 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 Cross Ballard, M.D. prescribe under Medicare Part D?

In 2024, Timothy Cross Ballard, M.D. had 202 Medicare Part D claims for 123 beneficiaries; the average among emergency medicine physician prescribers was 226. 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.