Grace Hau-Yan Bullock, MD
Emergency Medicine Physician · Panorama City, CA
Grace Hau-Yan Bullock, MD is an emergency medicine physician with a practice address in Panorama City, California, and NPI 1861854804, issued on Mar 28, 2016. Check the license (California A154888, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Grace Hau-Yan Bullock
- Credential
- MD
- Primary taxonomy
- Emergency Medicine Physician 207P00000X
- License number
- A154888 CA
Self-reported in NPPES; status is on the state search - Practice location
- 13652 Cantara St, Panorama City, CA 91402
- Phone
- (818) 521-8824
- Enumerated
- Mar 28, 2016
- Record last updated
- Aug 9, 2024
- Medicare enrollment
- Enrolled (PECOS I20190305002230); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest emergency medicine physician records → All 7,751 in California → Look up another NPI →
Also registered at 13652 Cantara St
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Grace Hau-Yan Bullock in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A154888Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
13% more Medicare Part D claims than the average emergency medicine physician in 2024
255 Medicare Part D claims for 163 beneficiaries, against an average of 226 among the 54,106 providers of this specialty who prescribed in Part D. 21 claims were for opioids.
Most prescribed
- Ondansetron Odt49 claims
- Cephalexin18 claims
- Oxycodone Hcl17 claims
- Cefuroxime13 claims
- Prednisone13 claims
- Azithromycin11 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
- Southern California Permanente Medical GroupPanorama City, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Grace Hau-Yan Bullock among 7,751 emergency medicine physician records in California
Grace Hau-Yan Bullock, 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 2016, is newer than 75% of them.
- NPI issued2016 · 75% of these records are older, 22% newer
- In a Medicare fileYes · 81% of these records are
- In the CMS Doctors and Clinicians fileYes · 59% of these records are
- Graduated2015 · 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).
29 emergency medicine physician records list a practice address in Panorama City
They are 29 of the 1,412 NPPES records with a practice address in Panorama City, and 7,751 emergency medicine physician records in California.
All 7,751 in California → Every provider in Panorama City → Emergency Medicine Physician nationwide →
The 8 emergency medicine physician records with the nearest ZIP codes
- Brian Asalone, MDPanorama City, CA 914021780743443
- Joseph Beezy, MDPanorama City, CA 914021992872915
- Christine Bloom, MDPanorama City, CA 914021225197833
- Jerrica Chen, MDPanorama City, CA 914021679558324
- Tara Fusco, MDPanorama City, CA 914021396812244
- Amanda Garner, M.D.Panorama City, CA 914021609818780
- Molly Jancis, MDPanorama City, CA 914021619048519
- William Jou, MDPanorama City, CA 914021225109101
Common questions
What is Grace Hau-Yan Bullock, MD's NPI number?
Grace Hau-Yan Bullock, MD's National Provider Identifier (NPI) is 1861854804, issued on Mar 28, 2016. An NPI identifies a provider in billing; it is not a license.
Where is Grace Hau-Yan Bullock, MD located?
The NPPES record lists a practice address at 13652 Cantara St, Panorama City, CA, 91402. Phone: (818) 521-8824. Providers update this record themselves, so call before visiting.
How can I verify Grace Hau-Yan Bullock, MD's license?
NPPES lists California license number A154888, 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 Grace Hau-Yan Bullock, MD prescribe under Medicare Part D?
In 2024, Grace Hau-Yan Bullock, MD had 255 Medicare Part D claims for 163 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.