DR. AMEER ALMULLAHASSANI MD
NPI 1245473131
Psychiatry & Neurology - Neurology in Fairfield, CA

Q: What is Ameer Almullahassani's NPI number?

The NPI number for Ameer Almullahassani is 1245473131. It was assigned to this individual provider in the NPPES registry on April 8, 2009.

Q: What is Ameer Almullahassani's specialty?

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

Active since April 08, 2009PECOS EnrolledAccepts Medicare Assignment

1860 PENNSYLVANIA AVE, SUITE 210, FAIRFIELD, CA 94533(707) 646-4380(707) 646-4381 Get Directions Write a Review

NPPES record last updated: February 26, 2026. Verified against the NPPES registry weekly; last sync: October 18, 2026.

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About Dr. Ameer Almullahassani Md NPPES

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

DR. AMEER ALMULLAHASSANI MD (NPI 1245473131) is an individual neurology provider in Fairfield, California, licensed in Iowa (MD-38285) and active in the NPI registry since April 2009. He is enrolled in Medicare PECOS, maintains a secondary practice location in Fort Smith, and is a graduate of Other (2002).

NPPES Registry Identity

NPI1245473131

Entity TypeIndividualMale

Primary Taxonomy2084N0400X

Provider Legal NameDR. AMEER ALMULLAHASSANICredential: MD

Location Address1860 PENNSYLVANIA AVE, SUITE 210Fairfield, CA 94533-3590

Mailing Address1860 Pennsylvania Ave, Suite 210Fairfield, CA 94533-3590 · (707) 646-4380 · Fax (707) 646-4381

Phone(707) 646-4380

Fax(707) 646-4381

Sole ProprietorNo

Medical School CMSOtherGraduated 2002

Enumeration DateApril 8, 2009

Last NPPES UpdateFebruary 26, 2026

NPPES CertifiedFebruary 26, 2026

✔ NPI 1245473131 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPsychiatry & Neurology · NeurologyAllopathic & Osteopathic Physicians

Taxonomy Code2084N0400X

Licenses✔ Licensed in IA · MD-38285✔ Licensed in AR · E-19927

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.

1860 PENNSYLVANIA AVE, Fairfield, CA 94533

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Secondary Practice Location 1

Location 11500 Dodson Ave Ste 290Fort Smith, AR 72901-5182 · Phone (479) 709-7175 · Fax (479) 709-7180

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include CareSource, Health Advantage, Octave.Insurance ›

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. Ameer Almullahassani Md 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 ID1850444787

PECOS Enrollment IDI20151005001968

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 Ameer Almullahassani reassigns Medicare billing to 10 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Northbay Healthcare Group

Same address

Addiction Medicine

1860 PENNSYLVANIA AVE STE 230
Fairfield, CA 94533

Reassigned Medicare billing, California enrollment
Medicare enrollment name: Northbay Physicians Surgery Center, LLC
516 clinicians in this Medicare group

NPI 1780736736 (707) 646-4370

Northbay Health Medical Foundation

5.2 mi

Internal Medicine

4500 BUSINESS CENTER DR
Fairfield, CA 94534

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

NPI 1760283527 (707) 646-3110

Veeone Medical Group II Professional Corporation

55 mi

Critical Care Medicine

1420 ROCKY RIDGE DR STE 300
Roseville, CA 95661

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

NPI 1043928443 (850) 459-6238

Veeone Medical Group PA

55 mi

Critical Care Medicine

1420 ROCKY RIDGE DR STE 300
Roseville, CA 95661

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

NPI 1265156558 (916) 865-4668

Ccmma Ca PC

161 mi

Critical Care Medicine

1100 BUTTE ST
Redding, CA 96001

Reassigned Medicare billing, Arkansas and California enrollments
11 clinicians in this Medicare group

NPI 1679293443 (530) 244-5400

Baptist Health Services

1,539 mi

Family Medicine

1001 TOWSON AVE
Fort Smith, AR 72901

Reassigned Medicare billing, Arkansas enrollment
193 clinicians in this Medicare group

NPI 1750856043 (479) 709-7399

Wellstar Medical Group, LLC

2,086 mi

Family Medicine

12 MEDICAL DR NE
Cartersville, GA 30121

Reassigned Medicare billing, Georgia enrollment
3,885 clinicians in this Medicare group

NPI 1588059653 (770) 386-1000

Carolinas Physicians Network, Inc.

2,203 mi

Medical Oncology

52 HOSPITAL DR, SUITE 3-A
Columbus, NC 28722

Reassigned Medicare billing, North Carolina enrollment
2,057 clinicians in this Medicare group

NPI 1184852105 (828) 894-2308

The Charlotte-Mecklenburg Hospital Authority

2,238 mi

General Practice

201 E GROVER ST
Shelby, NC 28150

Reassigned Medicare billing, North Carolina enrollment
1,534 clinicians in this Medicare group

NPI 1225435126 (980) 487-7427

Carolinas Medical Center

2,276 mi

Psychiatry

16740 DAVIDSON CONCORD RD, STE 200
Davidson, NC 28036

Reassigned Medicare billing, North Carolina enrollment
2,223 clinicians in this Medicare group

NPI 1629412184 (704) 801-9200

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 21

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.

Injection, onabotulinumtoxina, 1 unit J0585

Onabotulinumtoxina, also known as Botox, is a medication injected into muscles. It's used to treat various conditions by blocking nerve activity in the muscles, causing a temporary reduction in muscle activity. The units refer to the dosage.

45,800 services70 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.

812 services537 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.

432 services251 patients

Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 99223

Initial hospital inpatient care per day, typically 70 minutes, refers to the daily medical service provided to patients admitted to the hospital. This includes a comprehensive evaluation, diagnosis, treatment plan, and monitoring of your health condition. It ensures your well-being during your hospital stay.

247 services225 patients

Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 99233

Follow-up hospital inpatient care per day typically involves a 35-minute check-up by your healthcare provider. This service includes monitoring your health progress, adjusting your treatment plan if needed, and answering any questions you may have about your condition or care.

238 services149 patients

Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 99222

Initial hospital inpatient care is a service where a healthcare provider spends about 50 minutes per day overseeing your care while you're admitted in the hospital. This includes reviewing your health status, planning your treatment, and ensuring your safety and comfort.

146 services133 patients

New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more 99204

This is a first-time office or outpatient visit lasting between 45-59 minutes. The healthcare provider evaluates your health, discusses your medical history, and may suggest further tests or treatments. It's an opportunity to ask questions and understand your health better.

136 services136 patients

Needle measurement of electrical activity in arm or leg muscles, complete study 95886

This procedure, known as an electromyography (EMG), involves inserting a small needle into your arm or leg muscles to measure their electrical activity. This complete study helps diagnose issues with nerves or muscles, providing valuable data for your treatment plan.

131 services88 patients

Injection of chemical for paralysis of facial and neck nerve muscles on both sides of face 64615

This procedure involves injecting a chemical into specific facial and neck muscles, causing temporary paralysis. This helps reduce muscle activity and can alleviate certain medical conditions. Both sides of the face are treated for a balanced result.

119 services42 patients

Measurement of brain wave activity (eeg), 41-60 minutes 95812

This procedure involves placing small sensors on your head to record your brain's electrical activity for 41-60 minutes. Known as an EEG, it helps doctors understand how your brain works, assisting in diagnosing conditions like epilepsy or sleep disorders.

107 services98 patients

Nerve conduction, 7-8 studies 95910

Nerve conduction studies involve testing the speed and strength of signals traveling through your nerves. This helps doctors identify nerve damage. In a 7-8 study procedure, 7-8 specific nerves are tested. You may feel a mild, brief tingling or shock during the test.

53 services53 patients

Needle measurement of electrical activity in arm or leg muscles, limited study 95885

This procedure, known as an electromyography (EMG), involves placing tiny needles into your arm or leg muscles to measure their electrical activity. It's a limited study, meaning only specific muscles are tested. This helps identify any muscle or nerve dysfunction.

46 services43 patients

Nerve conduction, 5-6 studies 95909

Nerve conduction studies involve testing the speed and strength of signals traveling through your nerves. This helps identify any nerve damage or dysfunction. For 5-6 studies, this means multiple nerves will be tested. Small electrodes are placed on your skin to send and receive signals, causing minimal discomfort.

42 services42 patients

Injection of chemical for paralysis of nerve muscles on side of neck excluding voice box 64616

This procedure involves injecting a chemical into specific neck muscles, causing temporary paralysis. It's designed to alleviate symptoms related to nerve disorders. The voice box isn't affected, ensuring normal speech post-procedure.

36 services15 patients

Nerve conduction, 9-10 studies 95911

Nerve conduction studies involve sending small electrical shocks through the skin to measure how quickly nerves transmit signals. This helps detect nerve damage. 9-10 studies mean this process will be repeated on different nerves to gather comprehensive data.

33 services33 patients

Injection of chemical for paralysis of nerve muscles on arm or leg, 5 or more muscles, first extremity 64644

This procedure involves injecting a chemical into specific muscles in an arm or leg to temporarily paralyze them. It's typically used to manage muscular disorders or reduce muscle activity. The process targets 5 or more muscles in the first extremity.

24 services12 patients

Telephone medical discussion with physician, 21-30 minutes 99443

This service involves a 21-30 minute phone conversation with a physician. It's a chance for you to discuss your health concerns, symptoms or treatment plans. It's similar to an in-person consultation, but conducted over the phone for your convenience and safety.

22 services21 patients

Nerve conduction, 11-12 studies 95912

Nerve conduction studies are tests that measure how well your nerves are working. In 11-12 studies, small electrodes are placed on your skin to send and receive electrical signals. These signals show how quickly and effectively your nerves are transmitting signals, helping to identify any nerve damage or dysfunction.

19 services19 patients

Initial hospital care with straightforward or low level of medical decision making, per day, if using time, at least 40 minutes 99221

Initial hospital inpatient care refers to the first day of your stay in the hospital. This service typically includes a 30-minute check-up with a healthcare professional. They'll assess your health, discuss your condition, and plan your treatment. It's part of ensuring you receive the best possible care.

14 services14 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.

13 services13 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.

11 services11 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 94533 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

$145.83 typical visit price

range $65.02 – $191.95

Typical copayment $36.45 (range $16.25 – $47.98)

Most-billed visit code 99204

Established Patient

$113.05 typical visit price

range $21.86 – $157.69

Typical copayment $28.26 (range $5.46 – $39.42)

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.

Referred Medical Equipment & Supplies CMS DME claims

Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.

Standard wheelchair K0001

DME-Wheelchairs · category DD000N

1 supplier21 claims21 services$20.08 avg. paid by Medicare

Dollar amounts are the average Medicare paid the supplier per service. They are not the cost to the patient.

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.

DONALD R DOYLE MD INC A PROFESSIONAL CORP

Internal Medicine (Pulmonary Disease)

1860 PENNSYLVANIA AVE, SUITE 300B
FAIRFIELD, CA 94533

Solano County (707) 646-4180

ARNOLD JOSSELSON MD

Pathology (Forensic Pathology)

1860 PENNSYLVANIA AVE, STE #150
FAIRFIELD, CA 94533

Solano County (707) 426-4883

DR. RACHEL M. VILLALON MD

Obstetrics & Gynecology

1860 PENNSYLVANIA AVE, SUITE 300
FAIRFIELD, CA 94533

Solano County (707) 646-4100

SHAHID UR REHMAN MD

Psychiatry & Neurology (Neurology)

1860 PENNSYLVANIA AVE, SUITE 210
FAIRFIELD, CA 94533

Solano County (707) 646-4191

LAUREN WEBER D.O.

Family Medicine

1860 PENNSYLVANIA AVE, SUITE 300
FAIRFIELD, CA 94533

Solano County (707) 646-4100

KENI A HORIUCHI R.N.

Clinical Nurse Specialist (Oncology)

1860 PENNSYLVANIA AVE, 230
FAIRFIELD, CA 94533

Solano County (707) 429-6989

FORENSIC MEDICAL GROUP, INC.

Pathology (Forensic Pathology)

1860 PENNSYLVANIA AVE, #150
FAIRFIELD, CA 94533

Solano County (707) 426-4883

JUSTIN V GRAHAM MD

Internal Medicine (Infectious Disease)

1860 PENNSYLVANIA AVE, SUITE 300B
FAIRFIELD, CA 94533

Solano County (707) 646-4180

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 Ameer Almullahassani's NPI number?

The NPI number for Ameer Almullahassani is 1245473131. It was assigned to this individual provider in the NPPES registry on April 8, 2009.

Where is Ameer Almullahassani located?

Ameer Almullahassani practices at 1860 Pennsylvania Ave Suite 210, Fairfield, CA 94533. The listed phone number is (707) 646-4380.

What is Ameer Almullahassani's specialty?

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

Is Ameer Almullahassani enrolled in Medicare?

Yes. Ameer Almullahassani 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 Ameer Almullahassani's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Ameer Almullahassani reassigns Medicare benefits to 10 organizations: Northbay Healthcare Group (Fairfield, CA), Northbay Health Medical Foundation (Fairfield, CA), Veeone Medical Group II Professional Corporation (Roseville, CA), Veeone Medical Group PA (Roseville, CA), Ccmma Ca PC (Redding, CA) and 5 more organizations, listed in the Medicare section above. 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 Ameer Almullahassani's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Ameer Almullahassani accept?

Health plans from CareSource, Health Advantage and Octave list Ameer Almullahassani as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

When was this NPI record last updated?

The NPPES record for Ameer Almullahassani was last updated on February 26, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 7 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.