Alfred Cook, MD
Emergency Medicine Physician · Glendora, CA
Alfred Cook, MD is an emergency medicine physician with a practice address in Glendora, California, and NPI 1932166972, issued on Apr 26, 2006. Check the license (California A37892, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Alfred Cook
- Credential
- MD
- Primary taxonomy
- Emergency Medicine Physician 207P00000X
- License number
- A37892 CA
Self-reported in NPPES; status is on the state search - Practice location
- 150 W Route 66, Glendora, CA 91740
- Phone
- (626) 335-0231
- Enumerated
- Apr 26, 2006
- Record last updated
- Jun 11, 2008 (not updated in 18 years: call before relying on the address or phone)
- Fax
- (626) 963-0403
- Medicaid ID
- 00A378920 CA
- Medicare enrollment
- Enrolled (PECOS I20040303000545); 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 150 W Route 66
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Odessie Jane BalagtasRegistered Nurse1124886320
- Katherene Balangauan, APRNPsychiatric/Mental Health Registered Nurse1295590388
- Aundrea Bell, RNRegistered Nurse1588541791
- Michael Bogey, M.D.Emergency Medicine Physician1497187801
- Rani Busse, RNPsychiatric/Mental Health Registered Nurse1528824174
- Kailee ChangPsychiatric/Mental Health Registered Nurse1780237438
Verify Alfred Cook in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A37892Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
87% fewer Medicare Part D claims than the average emergency medicine physician in 2024
29 Medicare Part D claims for 24 beneficiaries, against an average of 226 among the 54,106 providers of this specialty who prescribed in Part D.
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 2 group practices
- California Hospitalists Emergency Physicians Medical Group IncNorwalk, CA
- Can Emergency Physicians Medical Group IncTustin, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Alfred Cook among 7,751 emergency medicine physician records in California
Alfred Cook, 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 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
- Graduated1978 · median 2011 among the 4,560 with a school on file
- Record last updated2008 · 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 Glendora → Emergency Medicine Physician nationwide →
The 8 emergency medicine physician records with the nearest ZIP codes
- Michael Bogey, M.D.Glendora, CA 917401497187801
- Eric Brown, M.D.Glendora, CA 917411619954633
- Bruce Bush, M.D.Glendora, CA 917411548202476
- Michael Deyoung, MDGlendora, CA 917411801822606
- Leonard Herman, MDGlendora, CA 917411225076417
- Earl Isbell, MDGlendora, CA 917411447204839
- Shin Liong, M.D.Rancho Cucamonga, CA 917391326150111
- Hala Sabry, D.O.Rancho Cucamonga, CA 917391871738138
Common questions
What is Alfred Cook, MD's NPI number?
Alfred Cook, MD's National Provider Identifier (NPI) is 1932166972, issued on Apr 26, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Alfred Cook, MD located?
The NPPES record lists a practice address at 150 W Route 66, Glendora, CA, 91740. Phone: (626) 335-0231. Providers update this record themselves, so call before visiting.
How can I verify Alfred Cook, MD's license?
NPPES lists California license number A37892, 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 Alfred Cook, MD prescribe under Medicare Part D?
In 2024, Alfred Cook, MD had 29 Medicare Part D claims for 24 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.