Imelda C. Alfonso, M.D.
Psychiatry Physician · San Bernardino, CA
Imelda C. Alfonso, M.D. is a psychiatry physician with a practice address in San Bernardino, California, and NPI 1265574222, issued on Feb 13, 2007. Check the license (California A39741, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Imelda C. Alfonso
- Credential
- M.D.
- Primary taxonomy
- Psychiatry Physician 2084P0800X
- License number
- A39741 CA
Self-reported in NPPES; status is on the state search - Practice location
- 268 W Hospitality LN, San Bernardino, CA 92415
- Phone
- (909) 382-3087
- Enumerated
- Feb 13, 2007
- Record last updated
- Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
- Fax
- (909) 382-3106
- Entity
- Type 1 · individual
8 nearest psychiatry physician records → All 8,673 in California → Look up another NPI →
Also registered at 268 W Hospitality LN
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Jatin Dalal, M.D.Psychiatry Physician1750420345
- Denise Dittemore, M.D.Psychiatry Physician1649310335
- M.a.p. Gamboa, M.D.Child & Adolescent Psychiatry Physician1225172216
- Mehar Gill, M.D.Psychiatry Physician1649315433
- Veronica Kelley, LCSWClinical Social Worker1902211774
Verify Imelda C. Alfonso in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A39741Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
97% fewer Medicare Part D claims than the average psychiatry physician in 2024
28 Medicare Part D claims, against an average of 1,000 among the 35,054 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of claims.
Most prescribed
- Chlorhexidine Gluconate11 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.
Imelda C. Alfonso among 8,673 psychiatry physician records in California
Imelda C. Alfonso, M.D. is one of 8,673 psychiatry physician records with a practice address in California. 67% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2007, is newer than 33% of them.
- NPI issued2007 · 33% of these records are older, 48% newer
- In a Medicare fileYes · 67% of these records are
- In the CMS Doctors and Clinicians fileNo · 38% of these records are
- Record last updated2007 · 54% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2084P0800X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
56 psychiatry physician records list a practice address in San Bernardino
They are 56 of the 5,645 NPPES records with a practice address in San Bernardino, and 8,673 psychiatry physician records in California.
All 8,673 in California → Every provider in San Bernardino → Psychiatry Physician nationwide →
The 8 psychiatry physician records with the nearest ZIP codes
- David Block, MDSan Bernardino, CA 924151346302064
- Jatin Dalal, M.D.San Bernardino, CA 924151750420345
- Jesse Devera, M.D.San Bernardino, CA 924151023159118
- Denise Dittemore, M.D.San Bernardino, CA 924151649310335
- Kari Enge, MDSan Bernardino, CA 924151710028584
- Merle Madera, M.D.San Bernardino, CA 924151932151107
- Than Myint, MDSan Bernardino, CA 924151083709711
- Dau Nguyen, M.D.San Bernardino, CA 924151578515375
Common questions
What is Imelda C. Alfonso, M.D.'s NPI number?
Imelda C. Alfonso, M.D.'s National Provider Identifier (NPI) is 1265574222, issued on Feb 13, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Imelda C. Alfonso, M.D. located?
The NPPES record lists a practice address at 268 W Hospitality LN, San Bernardino, CA, 92415. Phone: (909) 382-3087. Providers update this record themselves, so call before visiting.
How can I verify Imelda C. Alfonso, M.D.'s license?
NPPES lists California license number A39741, 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 Imelda C. Alfonso, M.D. prescribe under Medicare Part D?
In 2024, Imelda C. Alfonso, M.D. had 28 Medicare Part D claims; the average among psychiatry physician prescribers was 1,000. 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.