Mohammed Muzammil Ahmed, M.D
Psychiatry Physician · La Jolla, CA
Mohammed Muzammil Ahmed, M.D is a psychiatry physician with a practice address in La Jolla, California, and NPI 1184856916, issued on Aug 12, 2009. Check the license (California A124696, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Mohammed Muzammil Ahmed
- Credential
- M.D
- Primary taxonomy
- Psychiatry Physician 2084P0800X
- License number
- A124696 CA
Self-reported in NPPES; status is on the state search - Practice location
- 4180 LA Jolla Village Dr Ste 240, La Jolla, CA 92037
- Phone
- (866) 277-2659
- Enumerated
- Aug 12, 2009
- Record last updated
- Nov 5, 2025
- Fax
- (858) 779-2511
- Medicare enrollment
- Enrolled (PECOS I20140124001688); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest psychiatry physician records → All 8,673 in California → Look up another NPI →
Also registered at 4180 LA Jolla Village Dr Ste 240
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Kristoffer Ancho, PMHNP-BCPsychiatric/Mental Health Nurse Practitioner1700199205
Verify Mohammed Muzammil Ahmed in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A124696Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
75% fewer Medicare Part D claims than the average psychiatry physician in 2024
253 Medicare Part D claims for 41 beneficiaries, against an average of 1,000 among the 35,054 providers of this specialty who prescribed in Part D. Brand-name drugs were 12% of claims.
Most prescribed
- Mirtazapine32 claims
- Nuedexta17 claims
- Quetiapine Fumarate15 claims
- Duloxetine Hcl14 claims
- Desvenlafaxine Succinate Er13 claims
- Lamotrigine13 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.
Industry payments in 2024: $1,850.53
73 payments; by number, the most common kind was food and beverage; the largest payer was Abbvie Inc. The 13,693 providers of this specialty with any payment received $4,954.93 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through one group practice
- Center For Neurohealth IncLaguna Hills, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Mohammed Muzammil Ahmed among 8,673 psychiatry physician records in California
Mohammed Muzammil Ahmed, 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 2009, is newer than 57% of them.
- NPI issued2009 · 57% of these records are older, 40% newer
- In a Medicare fileYes · 67% of these records are
- In the CMS Doctors and Clinicians fileYes · 38% of these records are
- Graduated1999 · median 2005 among the 3,295 with a school on file
- Record last updated2025 · 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).
90 psychiatry physician records list a practice address in La Jolla
They are 90 of the 3,648 NPPES records with a practice address in La Jolla, and 8,673 psychiatry physician records in California.
All 8,673 in California → Every provider in La Jolla → Psychiatry Physician nationwide →
The 8 psychiatry physician records with the nearest ZIP codes
- Jason Bennett, M.D.La Jolla, CA 920371346211208
- Claudio Demb, M.D.La Jolla, CA 920371730174921
- Katharine Dixon, MDLa Jolla, CA 920371598705469
- Deirdre Elliott, MDLa Jolla, CA 920371760496145
- Charles Ettari, M.D.La Jolla, CA 920371629096631
- Sonya Hintz, M.D.La Jolla, CA 920371790774446
- Charles Hollingsworth, MDLa Jolla, CA 920371992720098
- Shashita Inamdar, M.D., PH.D, DABPNLa Jolla, CA 920371003861139
Common questions
What is Mohammed Muzammil Ahmed, M.D's NPI number?
Mohammed Muzammil Ahmed, M.D's National Provider Identifier (NPI) is 1184856916, issued on Aug 12, 2009. An NPI identifies a provider in billing; it is not a license.
Where is Mohammed Muzammil Ahmed, M.D located?
The NPPES record lists a practice address at 4180 LA Jolla Village Dr Ste 240, La Jolla, CA, 92037. Phone: (866) 277-2659. Providers update this record themselves, so call before visiting.
How can I verify Mohammed Muzammil Ahmed, M.D's license?
NPPES lists California license number A124696, 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 Mohammed Muzammil Ahmed, M.D prescribe under Medicare Part D?
In 2024, Mohammed Muzammil Ahmed, M.D had 253 Medicare Part D claims for 41 beneficiaries; 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.