Travis Hamilton Parker, M.D.
Emergency Medicine Physician · Westminster, CA
Travis Hamilton Parker, M.D. is an emergency medicine physician with a practice address in Westminster, California, and NPI 1669551453, issued on Nov 3, 2006. Check the license (California A94127, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Travis Hamilton Parker
- Credential
- M.D.
- Primary taxonomy
- Emergency Medicine Physician 207P00000X
- License number
- A94127 CA
Self-reported in NPPES; status is on the state search - Practice location
- 200 Hospital Cir, Westminster, CA 92683
- Phone
- (818) 340-9988
- Enumerated
- Nov 3, 2006
- Record last updated
- Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
- Fax
- (818) 587-2493
- Medicare enrollment
- Enrolled (PECOS I20080327000520); accepts Medicare assignment
- Medical or professional school
- Albany Medical College Of Union University, 2004
- Entity
- Type 1 · individual
8 nearest emergency medicine physician records → All 7,751 in California → Look up another NPI →
Also registered at 200 Hospital Cir
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Christopher Barretto, M.D.Physical Medicine & Rehabilitation Physician1093879397
- Beoyli Choi, FNPFamily Nurse Practitioner1245079284
- Jenna EstradaLicensed Vocational Nurse1013402437
- Andrew Givner, M.D.Emergency Medicine Physician1891808622
- Mohammad Hajighasemi-Ossareh, MDNeurology Physician1144683137
- Mila Jimenez, OTR/LOccupational Therapist1457062168
Verify Travis Hamilton Parker in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A94127Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
9% more Medicare Part D claims than the average emergency medicine physician in 2024
247 Medicare Part D claims for 152 beneficiaries, against an average of 226 among the 54,106 providers of this specialty who prescribed in Part D. Brand-name drugs were 5% of claims. 16 claims were for opioids.
Most prescribed
- Cephalexin34 claims
- Prednisone26 claims
- Ibuprofen23 claims
- Sulfamethoxazole-Trimethoprim16 claims
- Levofloxacin12 claims
- Mupirocin12 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): 61.1 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.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Bills Medicare through one group practice
- Kauai Medical ClinicLihue, HI
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Travis Hamilton Parker among 7,751 emergency medicine physician records in California
Travis Hamilton Parker, 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
- Graduated2004 · median 2011 among the 4,560 with a school on file
- Record last updated2007 · 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.
All 7,751 in California → Every provider in Westminster → Emergency Medicine Physician nationwide →
The 8 emergency medicine physician records with the nearest ZIP codes
- Perry Dinh, DOWestminster, CA 926831588160055
- Andrew Givner, M.D.Westminster, CA 926831891808622
- Eduardo Lam, M.D.Westminster, CA 926831255410957
- Alan Sonne, M.DWestminster, CA 926831508972787
- John Wu, M.D.Westminster, CA 926831295804201
- Ashley Advincula, MDTrabuco Canyon, CA 926791427636497
- Can Tamkoc, M.D.Rancho Santa Margarita, CA 926881457565889
- John Chu, MDLaguna Niguel, CA 926771760432827
Common questions
What is Travis Hamilton Parker, M.D.'s NPI number?
Travis Hamilton Parker, M.D.'s National Provider Identifier (NPI) is 1669551453, issued on Nov 3, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Travis Hamilton Parker, M.D. located?
The NPPES record lists a practice address at 200 Hospital Cir, Westminster, CA, 92683. Phone: (818) 340-9988. Providers update this record themselves, so call before visiting.
How can I verify Travis Hamilton Parker, M.D.'s license?
NPPES lists California license number A94127, 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 Travis Hamilton Parker, M.D. prescribe under Medicare Part D?
In 2024, Travis Hamilton Parker, M.D. had 247 Medicare Part D claims for 152 beneficiaries; the average among emergency medicine physician prescribers was 226. Part D covers Medicare prescriptions only.
What is Travis Hamilton Parker, M.D.'s MIPS final score?
The 2023 MIPS final score is 61.1 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.