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ALI MAHTA M.D
NPI 1437387990
Psychiatry & Neurology - Neurology in San Diego, CA

Active since June 23, 2009PECOS EnrolledAccepts Medicare Assignment
200 W ARBOR DR, SAN DIEGO, CA 92103(800) 926-8273(888) 539-8781 Get Directions Write a Review

NPPES record last updated: September 23, 2024. Verified against the NPPES registry weekly; last sync: November 01, 2026.

Record update history: Sep 23, 2024, Feb 4, 2019, Jul 14, 2017 (3 updates tracked since 2017).

About Ali Mahta M.d NPPES

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

ALI MAHTA M.D (NPI 1437387990) is an individual neurology provider in San Diego, California, licensed in California (C198535) and active in the NPI registry since June 2009. He is enrolled in Medicare PECOS, maintains 3 additional practice locations, and is a graduate of Other (2003).

NPPES Registry Identity

NPI1437387990
Entity TypeIndividualMale
Primary Taxonomy2084N0400X
Provider Legal NameALI MAHTACredential: M.D
Location Address200 W ARBOR DRSan Diego, CA 92103-9000
Mailing AddressFile 57326Los Angeles, CA 90074-7326 · (858) 249-6748
Phone(800) 926-8273
Fax(888) 539-8781
Sole ProprietorNo
Medical School CMSOtherGraduated 2003
Enumeration DateJune 23, 2009
Last NPPES UpdateSeptember 23, 20243 updates tracked since enumeration
NPPES CertifiedSeptember 23, 2024
✔ NPI 1437387990 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 3

★ Primary SpecialtyPsychiatry & Neurology · NeurologyAllopathic & Osteopathic Physicians
Taxonomy Code2084N0400X
License✔ Licensed in CA · C198535
Definition
A Neurologist specializes in the diagnosis and treatment of diseases or impaired function of the brain, spinal cord, peripheral nerves, muscles, autonomic nervous system, and blood vessels that relate to these structures.
Also ListedNeurological SurgeryTaxonomy 207T00000X · License MD15746 (RI)
Also ListedPsychiatry & Neurology · Neurocritical CareTaxonomy 2084A2900X · License C198535 (CA)
200 W ARBOR DR, San Diego, CA 92103
Open in Google Maps ↗

Secondary Practice Locations 3

Location 1593 Eddy St, Rhode Island Hospital, APC 712.6Providence, RI 02903-0290 · Phone (401) 444-5286 · Fax (401) 444-5286
Location 26655 Alvarado RdSan Diego, CA 92120-5208 · Phone (800) 926-8273 · Fax (888) 539-8781
Location 39300 Campus Point DrLA Jolla, CA 92037-1300 · Phone (800) 926-8273 · Fax (888) 539-8781

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

Ali Mahta 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 ID8325368152
PECOS Enrollment IDI20241002001102
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

2

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

Regents Of The University Of California
0.1 mi
Neurology
200 W ARBOR DR
San Diego, CA 92103
  • Reassigned Medicare billing, California enrollment
  • 135 clinicians in this Medicare group
NPI 1649372673 (800) 926-8273
Rhode Island Hospital
2,566 mi
Multi-Specialty
593 EDDY ST
Providence, RI 02903
  • Reassigned Medicare billing, Rhode Island enrollment
  • 358 clinicians in this Medicare group
NPI 1154537520 (401) 444-6905

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 2

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.

Critical care, first 30-74 minutes 99291
Critical care involves immediate and constant attention by a team of specially-trained health professionals. It's for patients with life-threatening conditions, requiring first 30-74 minutes of intense monitoring and treatment.
156 services68 patients
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 99232
Follow-up hospital inpatient care involves daily check-ups while you're admitted in the hospital. Typically, a healthcare provider spends about 25 minutes each day reviewing your condition, adjusting treatment if needed, and answering any questions you might have.
35 services22 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 92103 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
$140.22 typical visit price
range $62.10 – $184.71
Typical copayment $35.05 (range $15.52 – $46.17)
Most-billed visit code 99204
Established Patient
$108.42 typical visit price
range $20.62 – $151.42
Typical copayment $27.10 (range $5.15 – $37.85)
Most-billed visit code 99214
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 20

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

DR. RAMIN MOTARJEMI M.D.
Internal Medicine (Geriatric Medicine)
200 W ARBOR DR
SAN DIEGO, CA 92103
San Diego County (858) 249-2500
DR. KYLE PALMER EDMONDS M.D., FAAHPM
Hospice, Inpatient
200 W ARBOR DR
SAN DIEGO, CA 92103
San Diego County (800) 926-8273
SHAWN RAVEENTH VEDAMANI MD
Anesthesiology
200 W ARBOR DR
SAN DIEGO, CA 92103
San Diego County (800) 926-8273
DALE MICHAEL TRUJILLO NP
Nurse Practitioner
200 W ARBOR DR
SAN DIEGO, CA 92103
San Diego County (800) 926-8273
DR. EUGENE THOMAS RICHARDSON IV MD
Internal Medicine (Infectious Disease)
200 W ARBOR DR
SAN DIEGO, CA 92103
San Diego County (800) 926-8273
KAYLEE PETERSEN ARNP
Nurse Practitioner (Psychiatric/Mental Health)
200 W ARBOR DR
SAN DIEGO, CA 92103
San Diego County (800) 926-8273
IRENE NEVAREZ NP
Nurse Practitioner
200 W ARBOR DR
SAN DIEGO, CA 92103
San Diego County (800) 926-8273
WILLIAM JAMES MOSS M.D.
Student in an Organized Health Care Education/Training Program
200 W ARBOR DR
SAN DIEGO, CA 92103
San Diego County (508) 395-4189

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 Ali Mahta's NPI number?

The NPI number for Ali Mahta is 1437387990. It was assigned to this individual provider in the NPPES registry on June 23, 2009.

Where is Ali Mahta located?

Ali Mahta practices at 200 W Arbor Dr, San Diego, CA 92103. The listed phone number is (800) 926-8273.

What is Ali Mahta's specialty?

The primary specialty registered for this NPI is Psychiatry & Neurology, specializing in Neurology, with taxonomy code 2084N0400X.

Is Ali Mahta enrolled in Medicare?

Yes. Ali Mahta 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 Ali Mahta's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Ali Mahta reassigns Medicare benefits to 2 organizations: Regents Of The University Of California (San Diego, CA) and Rhode Island Hospital (Providence, RI). 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 Ali Mahta's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

When was this NPI record last updated?

The NPPES record for Ali Mahta was last updated on September 23, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 years 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.