Caitlin H. Bailey, MD
Emergency Medicine Physician · Oakland, CA
Caitlin H. Bailey, MD is an emergency medicine physician with a practice address in Oakland, California, and NPI 1992016323, issued on Jun 30, 2010. Check the license (California A107343, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Caitlin H. Bailey
- Credential
- MD
- Primary taxonomy
- Emergency Medicine Physician 207P00000X
- License number
- A107343 CA
Self-reported in NPPES; status is on the state search - Practice location
- 275 W Macarthur, Oakland, CA 94611
- Phone
- (510) 752-1000
- Enumerated
- Jun 30, 2010
- Record last updated
- Feb 11, 2022
- Medicare enrollment
- Enrolled (PECOS I20100910000853); accepts Medicare assignment
- Medical or professional school
- Harvard Medical School, 2007
- Entity
- Type 1 · individual
8 nearest emergency medicine physician records → All 7,751 in California → Look up another NPI →
Also registered at 275 W Macarthur
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Caitlin H. Bailey in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A107343Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
66% fewer Medicare Part D claims than the average emergency medicine physician in 2024
77 Medicare Part D claims for 31 beneficiaries, against an average of 226 among the 54,106 providers of this specialty who prescribed in Part D. Brand-name drugs were 18% of 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): 91 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
- Alameda Health SystemOakland, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Caitlin H. Bailey among 7,751 emergency medicine physician records in California
Caitlin H. Bailey, MD 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 2010, is newer than 58% of them.
- NPI issued2010 · 58% of these records are older, 40% newer
- In a Medicare fileYes · 81% of these records are
- In the CMS Doctors and Clinicians fileYes · 59% of these records are
- Graduated2007 · median 2011 among the 4,560 with a school on file
- Record last updated2022 · 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).
247 emergency medicine physician records list a practice address in Oakland
They are 247 of the 18,558 NPPES records with a practice address in Oakland, and 7,751 emergency medicine physician records in California.
All 7,751 in California → Every provider in Oakland → Emergency Medicine Physician nationwide →
The 8 emergency medicine physician records with the nearest ZIP codes
- David Doostan, MDOakland, CA 946111174564819
- Mark GoldinOakland, CA 946111205834751
- Anjali Gupta, MDOakland, CA 946111902837719
- Jennifer Harris, MDOakland, CA 946111003912015
- Herbert Hern, MDOakland, CA 946111154303121
- Jennifer Johnson, MDOakland, CA 946111912001157
- Zeenat Khan, MDOakland, CA 946111417048307
- Odile Leland-Arizmendi, M.D.Oakland, CA 946111548361926
Common questions
What is Caitlin H. Bailey, MD's NPI number?
Caitlin H. Bailey, MD's National Provider Identifier (NPI) is 1992016323, issued on Jun 30, 2010. An NPI identifies a provider in billing; it is not a license.
Where is Caitlin H. Bailey, MD located?
The NPPES record lists a practice address at 275 W Macarthur, Oakland, CA, 94611. Phone: (510) 752-1000. Providers update this record themselves, so call before visiting.
How can I verify Caitlin H. Bailey, MD's license?
NPPES lists California license number A107343, 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 Caitlin H. Bailey, MD prescribe under Medicare Part D?
In 2024, Caitlin H. Bailey, MD had 77 Medicare Part D claims for 31 beneficiaries; the average among emergency medicine physician prescribers was 226. Part D covers Medicare prescriptions only.
What is Caitlin H. Bailey, MD's MIPS final score?
The 2023 MIPS final score is 91 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.