DR. MOHAMMED MUZAMMIL AHMED M.D
NPI 1184856916
Psychiatry & Neurology - Psychiatry in La Jolla, CA

Q: What is Mohammed Ahmed's NPI number?

The NPI number for Mohammed Ahmed is 1184856916. It was assigned to this individual provider in the NPPES registry on August 12, 2009.

Q: What is Mohammed Ahmed's specialty?

The primary specialty registered for this NPI is Psychiatry & Neurology, specializing in Psychiatry, with taxonomy code 2084P0800X.

Q: When was this NPI record last updated?

The NPPES record for Mohammed Ahmed was last updated on November 5, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 11 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.

Active since August 12, 2009PECOS EnrolledAccepts Medicare Assignment

4180 LA JOLLA VILLAGE DR STE 240, LA JOLLA, CA 92037(866) 277-2659(858) 779-2511 Get Directions Write a Review

NPPES record last updated: November 5, 2025. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Nov 5, 2025, Aug 2, 2022, Dec 19, 2018 and 1 more (4 updates tracked since 2017).

On this page

About Dr. Mohammed Muzammil Ahmed M.d NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

DR. MOHAMMED MUZAMMIL AHMED M.D (NPI 1184856916) is an individual psychiatry provider in La Jolla, California, licensed in California (A124696) and active in the NPI registry since August 2009. He is enrolled in Medicare PECOS, is affiliated with Carle Foundation Hospital, and is a graduate of Other (1999).

NPPES Registry Identity

NPI1184856916

Entity TypeIndividualMale

Primary Taxonomy2084P0800X

Provider Legal NameDR. MOHAMMED MUZAMMIL AHMEDCredential: M.D

Location Address4180 LA JOLLA VILLAGE DR STE 240La Jolla, CA 92037-1471

Mailing Address4180 La Jolla Village Dr Ste 240La Jolla, CA 92037-1471 · (866) 277-2659

Phone(866) 277-2659

Fax(858) 779-2511

Sole ProprietorNo

Medical School CMSOtherGraduated 1999

Enumeration DateAugust 12, 2009

Last NPPES UpdateNovember 5, 20254 updates tracked since enumeration

NPPES CertifiedNovember 5, 2025

✔ NPI 1184856916 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyPsychiatry & Neurology · PsychiatryAllopathic & Osteopathic Physicians

Taxonomy Code2084P0800X

License✔ Licensed in CA · A124696

Definition

A Psychiatrist specializes in the prevention, diagnosis, and treatment of mental disorders, emotional disorders, psychotic disorders, mood disorders, anxiety disorders, substance-related disorders, sexual and gender identity disorders and adjustment disorders. Biologic, psychological, and social components of illnesses are explored and understood in treatment of the whole person. Tools used may include diagnostic laboratory tests, prescribed medications, evaluation and treatment of psychological and interpersonal problems with individuals and families, and intervention for coping with stress, crises, and other problems.

Also ListedPsychiatry & Neurology · Behavioral Neurology & NeuropsychiatryTaxonomy 2084B0040X · License A124696 (CA)

4180 LA JOLLA VILLAGE DR STE 240, La Jolla, CA 92037

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Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Dr. Mohammed Muzammil Ahmed M.d is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID446488217

PECOS Enrollment IDI20140124001688

Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Billing Reassignments

Medicare enrollment records show Mohammed Ahmed reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Center For Neurohealth, Inc.

Same address

Behavioral Neurology & Neuropsychiatry

4180 LA JOLLA VILLAGE DR STE 240
La Jolla, CA 92037

Reassigned Medicare billing, California enrollment
19 clinicians in this Medicare group

NPI 1154864874 (866) 277-2659

County Of San Diego

7.2 mi

Community/Behavioral Health

1250 MORENA BLVD, 1ST FLOOR
San Diego, CA 92110

Reassigned Medicare billing, California enrollment
105 clinicians in this Medicare group

NPI 1336209220 (619) 692-8750

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Areas of Expertise CMS Part B claims 13

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Administration of psychological or neuropsychological test by technician, each additional 30 minutes 96139

This service involves a technician administering additional psychological or neuropsychological testing. Each session lasts for an extra 30 minutes. These tests assess cognitive abilities, such as memory, attention, and problem-solving skills, to aid in diagnosing or monitoring mental health conditions.

226 services70 patients

Measurement of brain wave activity (eeg), awake and drowsy 95816

Measurement of brain wave activity, also known as an EEG, is a non-invasive test that records electrical patterns in your brain. This procedure is done when you're awake and drowsy to understand how your brain functions during different states of consciousness.

210 services13 patients

Biofeedback training 90901

Biofeedback training is a technique that helps you learn to control certain body functions, like heart rate or blood pressure. Through this, you can improve your health by gaining more control over these functions. It's often used to manage stress, anxiety, or chronic pain.

205 services13 patients

Therapy procedure for a range of mental processes, initial 15 minutes 97129

This therapy session, lasting 15 minutes, focuses on improving your mental processes. It's an initial step towards understanding your mental health needs. The therapist will engage in conversation, listen to your concerns, and help identify areas for improvement.

205 services13 patients

Therapy procedure using sensory experiences 97533

This therapy procedure utilizes sensory experiences to help improve your cognitive functions and emotional regulation. It involves activities like listening to music, touching objects, or doing exercises, to stimulate your senses and support your healing process.

205 services13 patients

Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more 99213

This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.

205 services13 patients

Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more 99215

This service involves a follow-up appointment for existing patients, lasting between 40 to 54 minutes. During this time, your healthcare provider will assess your current health status, discuss any changes or concerns, review your treatment plan, and answer any questions you may have.

139 services54 patients

Administration of psychological or neuropsychological test by technician, first 30 minutes 96138

This procedure involves a trained technician administering a psychological or neuropsychological test. It's a process that assesses your mental function and behavior. The initial session will last 30 minutes. The aim is to understand your cognitive abilities better.

97 services75 patients

Psychotherapy with evaluation and management visit, 30 minutes 90833

Psychotherapy with evaluation and management is a 30-minute session where a mental health professional talks with you about your concerns and feelings. They assess your mental health, provide support, and manage your treatment plan to help improve your well-being.

51 services20 patients

Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214

This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.

38 services15 patients

Evaluation of neuropsychological test, first hour 96132

An evaluation of neuropsychological tests is a process to assess your brain's function. It involves tasks designed to measure cognitive abilities such as memory, attention, problem-solving, and language skills. The first hour involves initial testing and observation.

30 services20 patients

Exam of neurobehavioral status, first hour 96116

An exam of neurobehavioral status is a medical procedure that evaluates your brain's functions. This includes assessing your cognitive abilities, emotional responses, and behavioral patterns. The first hour of the exam is typically dedicated to this initial evaluation.

18 services14 patients

New patient office or other outpatient visit with a high level of medical decision making, if using time, 60 minutes or more 99205

This is a first-time patient visit where a healthcare professional spends 60-74 minutes with you. It involves a comprehensive evaluation, including your medical history and current health condition. They'll also advise on preventive health measures and formulate a treatment plan if needed.

16 services16 patients

Hospital Affiliations CMS Care Compare

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Carle Foundation Hospital

Acute Care Hospitals · Urbana, IL

3/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number140091

Location611 West Park StreetUrbana, IL 61801 · Champaign County

Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 92037 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient

$184.71 typical visit price

range $62.10 – $184.71

Typical copayment $46.17 (range $15.52 – $46.17)

Most-billed visit code 99205

Established Patient

$76.87 typical visit price

range $20.62 – $151.42

Typical copayment $19.21 (range $5.15 – $37.85)

Most-billed visit code 99213

Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES 4

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

CENTER FOR NEUROHEALTH, INC.

Psychiatry & Neurology (Behavioral Neurology & Neuropsychiatry)

4180 LA JOLLA VILLAGE DR STE 240
LA JOLLA, CA 92037

San Diego County (866) 277-2659

ALICIA HEUGEL

Nurse Practitioner (Psychiatric/Mental Health)

4180 LA JOLLA VILLAGE DR STE 240
LA JOLLA, CA 92037

San Diego County (619) 339-7283

KRISTOFFER ALLAN ANCHO PMHNP-BC

Nurse Practitioner (Psychiatric/Mental Health)

4180 LA JOLLA VILLAGE DR STE 240
LA JOLLA, CA 92037

San Diego County (866) 277-2659

CENTER FOR NEUROHEALTH, INC.

Clinic/Center (Adult Mental Health)

4180 LA JOLLA VILLAGE DR STE 240
LA JOLLA, CA 92037

San Diego County (866) 277-2659

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Mohammed Ahmed's NPI number?

The NPI number for Mohammed Ahmed is 1184856916. It was assigned to this individual provider in the NPPES registry on August 12, 2009.

Where is Mohammed Ahmed located?

Mohammed Ahmed practices at 4180 La Jolla Village Dr Ste 240, La Jolla, CA 92037. The listed phone number is (866) 277-2659.

What is Mohammed Ahmed's specialty?

The primary specialty registered for this NPI is Psychiatry & Neurology, specializing in Psychiatry, with taxonomy code 2084P0800X.

Is Mohammed Ahmed enrolled in Medicare?

Yes. Mohammed Ahmed is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

Which organizations bill Medicare for Mohammed Ahmed's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Mohammed Ahmed reassigns Medicare benefits to 2 organizations: Center For Neurohealth, Inc. (La Jolla, CA) and County Of San Diego (San Diego, CA). Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Mohammed Ahmed's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

Is Mohammed Ahmed affiliated with any hospitals?

According to CMS data, Mohammed Ahmed is affiliated with Carle Foundation Hospital.

When was this NPI record last updated?

The NPPES record for Mohammed Ahmed was last updated on November 5, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 11 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.