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DR. MARIAM IHUOMAKANWA GARUBA M.D.
NPI 1275748261
Psychiatry & Neurology - Psychiatry in Pomona, CA

Active since May 11, 2007PECOS EnrolledAccepts Medicare Assignment
2008 N GAREY AVE, POMONA, CA 91767(718) 245-2310 Get Directions Write a Review

NPPES record last updated: March 21, 2025. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Mar 21, 2025, Nov 24, 2024, Dec 14, 2023 and 1 more (4 updates tracked since 2022).

About Dr. Mariam Ihuomakanwa Garuba M.d. NPPES

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

DR. MARIAM IHUOMAKANWA GARUBA M.D. (NPI 1275748261) is an individual psychiatry provider in Pomona, California, licensed in California (C172191) and active in the NPI registry since May 2007. She is enrolled in Medicare PECOS and is a graduate of Creighton University School Of Medicine (2005).

NPPES Registry Identity

NPI1275748261
Entity TypeIndividualFemale
Primary Taxonomy2084P0800X
Provider Legal NameDR. MARIAM IHUOMAKANWA GARUBACredential: M.D.
Location Address2008 N GAREY AVEPomona, CA 91767-2722
Mailing Address35 Journal Square Plaza, # 486Jersey City, NJ 07306-2054 · (862) 902-9798 · Fax (731) 225-8250
Phone(718) 245-2310
Sole ProprietorNo
Medical School CMSCreighton University School Of MedicineGraduated 2005
Enumeration DateMay 11, 2007
Last NPPES UpdateMarch 21, 20254 updates tracked since enumeration
NPPES CertifiedMarch 20, 2025
✔ NPI 1275748261 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPsychiatry & Neurology · PsychiatryAllopathic & Osteopathic Physicians
Taxonomy Code2084P0800X
Licenses✔ Licensed in CA · C172191✔ Licensed in NJ · 25MA09789600✔ Licensed in AK · 106867✔ Licensed in MD · D0090775✔ Licensed in NY · 268153
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.
2008 N GAREY AVE, Pomona, CA 91767
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Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Blue Cross and Blue Shield of Nebraska.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. Mariam Ihuomakanwa Garuba 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 ID1759536576
PECOS Enrollment IDI20250417002416
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

8

Medicare enrollment records show Mariam Garuba reassigns Medicare billing to 8 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Tri-City Mental Health Authority
Same address
Community/Behavioral Health
2008 N GAREY AVE
Pomona, CA 91767
  • Reassigned Medicare billing, California enrollment
  • 40 clinicians in this Medicare group
NPI 1346304920 (909) 623-6131
County Of Monterey Behavioral Health
241 mi
Community/Behavioral Health
200 BROADWAY ST, SUITE 88
King City, CA 93930
  • Reassigned Medicare billing, California enrollment
  • Medicare enrollment name: County Of Monterey
  • 107 clinicians in this Medicare group
NPI 1306033220 (831) 386-6868
Omaha Insomnia And Psychiatric Services, LLC
1,280 mi
Psychiatry
13917 GOLD CIR
Omaha, NE 68144
  • Reassigned Medicare billing, Nebraska enrollment
  • 26 clinicians in this Medicare group
NPI 1477922318 (402) 991-9630
Mat-Su Valley Medical Center LLC
2,351 mi
General Acute Care Hospital
2500 S WOODWORTH LOOP
Palmer, AK 99645
  • Reassigned Medicare billing, Alaska enrollment
  • 60 clinicians in this Medicare group
NPI 1417975061 (907) 861-6000
Practice Associates Medical Group
2,400 mi
Internal Medicine
100 MADISON AVENUE, INTEROFFICE #68
Morristown, NJ 07960
  • Reassigned Medicare billing, New Jersey enrollment
  • 1,699 clinicians in this Medicare group
NPI 1427016385 (844) 264-2250
Consolidated Care LLC
2,414 mi
Primary Care
1000 BROAD ST
Bloomfield, NJ 07003
  • Reassigned Medicare billing, New Jersey enrollment
  • 3 clinicians in this Medicare group
NPI 1336538305 (862) 246-7899
New York City Health And Hospitals Corporation
2,418 mi
Skilled Nursing Facility
460 BRIELLE AVE
Staten Island, NY 10314
  • Reassigned Medicare billing, New York enrollment
  • 1,615 clinicians in this Medicare group
NPI 1285642512 (718) 317-3261
Vi Government Hospital & Health Facilities Corp
3,415 mi
General Acute Care Hospital
9048 SUGAR EST
St Thomas, VI 00802
  • Reassigned Medicare billing, U.S. Virgin Islands enrollment
  • Medicare enrollment name: Vi Government Hospital And Health Facilities Corp
  • 114 clinicians in this Medicare group
NPI 1548712409 (340) 776-8311

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 3

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.

Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more 99212
This is a routine check-up for patients who have previously seen the doctor. During this 10-19 minute visit, the doctor will review your health status, discuss any concerns, and manage ongoing treatments or medications. It's a chance to ensure your health is on track.
68 services27 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.
54 services25 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.
15 services11 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 91767 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
$187.60 typical visit price
range $62.96 – $187.60
Typical copayment $46.90 (range $15.74 – $46.90)
Most-billed visit code 99205
Established Patient
$77.96 typical visit price
range $20.84 – $153.61
Typical copayment $19.49 (range $5.21 – $38.40)
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 20

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

MARIA CAROLINA OUSTAD
Rehabilitation Practitioner
2008 N GAREY AVE
POMONA, CA 91767
Los Angeles County (909) 784-3236
KWONTA PHATIPHONG
Marriage & Family Therapist
2008 N GAREY AVE
POMONA, CA 91767
Los Angeles County (909) 623-6131
ADDISON HAWTHORNE
Social Worker (Clinical)
2008 N GAREY AVE
POMONA, CA 91767
Los Angeles County (909) 623-6131
DR. CARLOS A MURALLES M.D.
Psychiatry & Neurology (Psychiatry)
2008 N GAREY AVE
POMONA, CA 91767
Los Angeles County (909) 623-6131
KIRANDEEP SANDHU
Psychiatry & Neurology (Psychiatry)
2008 N GAREY AVE
POMONA, CA 91767
Los Angeles County (909) 623-6131
KRISTI ROMERO
Peer Specialist
2008 N GAREY AVE
POMONA, CA 91767
Los Angeles County (909) 623-6131
SAMANTHA RITA KOEMANS
Student in an Organized Health Care Education/Training Program
2008 N GAREY AVE
POMONA, CA 91767
Los Angeles County (909) 623-6131
ROBERT PAUL HIJAR
Community Health Worker
2008 N GAREY AVE
POMONA, CA 91767
Los Angeles County (909) 539-7729

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 Mariam Garuba's NPI number?

The NPI number for Mariam Garuba is 1275748261. It was assigned to this individual provider in the NPPES registry on May 11, 2007.

Where is Mariam Garuba located?

Mariam Garuba practices at 2008 N Garey Ave, Pomona, CA 91767. The listed phone number is (718) 245-2310.

What is Mariam Garuba's specialty?

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

Is Mariam Garuba enrolled in Medicare?

Yes. Mariam Garuba 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 Mariam Garuba's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Mariam Garuba reassigns Medicare benefits to 8 organizations: Tri-City Mental Health Authority (Pomona, CA), County Of Monterey Behavioral Health (King City, CA), Omaha Insomnia And Psychiatric Services, LLC (Omaha, NE), Mat-Su Valley Medical Center LLC (Palmer, AK), Practice Associates Medical Group (Morristown, NJ) and 3 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 Mariam Garuba's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Mariam Garuba accept?

Health plans from Blue Cross and Blue Shield of Nebraska list Mariam Garuba 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 Mariam Garuba was last updated on March 21, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 19 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.