DR. EUGENE PAK M.D.
NPI 1407891658
Psychiatry & Neurology - Pain Medicine in Loma Linda, CA

Q: What is Eugene Pak's NPI number?

The NPI number for Eugene Pak is 1407891658. It was assigned to this individual provider in the NPPES registry on June 19, 2006.

Q: What is Eugene Pak's specialty?

The primary specialty registered for this NPI is Psychiatry & Neurology, specializing in Pain Medicine, with taxonomy code 2084P2900X.

Q: When was this NPI record last updated?

The NPPES record for Eugene Pak was last updated on July 21, 2022. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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.

Active since June 19, 2006PECOS EnrolledAccepts Medicare Assignment

85.18/100

CMS Quality Rating

11406 LOMA LINDA DR STE 516, LOMA LINDA, CA 92354(909) 558-6204 Get Directions Write a Review

NPPES record last updated: July 21, 2022. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Jul 21, 2022, Oct 23, 2020 (2 updates tracked since 2020).

On this page

About Dr. Eugene Pak M.d. NPPES

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

DR. EUGENE PAK M.D. (NPI 1407891658) is an individual pain medicine provider in Loma Linda, California, licensed in California (C138763) and active in the NPI registry since June 2006. He is enrolled in Medicare PECOS and is a graduate of Other (2001).

NPPES Registry Identity

NPI1407891658

Entity TypeIndividualMale

Primary Taxonomy2084P2900X

Provider Legal NameDR. EUGENE PAKCredential: M.D.

Location Address11406 LOMA LINDA DR STE 516Loma Linda, CA 92354-3711

Mailing Address11406 Loma Linda Drive, Suite 516Loma Linda, CA 92354 · (909) 558-6204

Phone(909) 558-6204

Sole ProprietorNo

Medical School CMSOtherGraduated 2001

Enumeration DateJune 19, 2006

Last NPPES UpdateJuly 21, 20222 updates tracked since enumeration

NPPES CertifiedOctober 23, 2020

✔ NPI 1407891658 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyPsychiatry & Neurology · Pain MedicineAllopathic & Osteopathic Physicians

Taxonomy Code2084P2900X

Licenses✔ Licensed in CA · C138763✔ Licensed in NH · AM0443173-6259

Definition

A neurologist, child neurologists or psychiatrist who provides a high level of care, either as a primary physician or consultant, for patients experiencing problems with acute, chronic or cancer pain in both hospital and ambulatory settings. Patient care needs may also be coordinated with other specialists.

Also ListedPsychiatry & Neurology · NeurologyTaxonomy 2084N0400X · License MD426970 (PA), 239973 (NY), C138763 (CA)

11406 LOMA LINDA DR STE 516, Loma Linda, CA 92354

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Other Identifiers 1

Medicaid02798103NY

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. Eugene Pak 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 ID9234148420

PECOS Enrollment IDI20170720003274

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 Reassignment

Medicare enrollment records show Eugene Pak reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Faculty Physicians And Surgeons Of Llusm

Same address

Pain Medicine

11406 LOMA LINDA DR, SUITE 300
Loma Linda, CA 92354

Reassigned Medicare billing, California enrollment
2,584 clinicians in this Medicare group

NPI 1548210578 (909) 558-6277

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 11

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 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.

270 services153 patients

Injection, triamcinolone acetonide, not otherwise specified, 10 mg J3301

Triamcinolone acetonide is a medication used to reduce inflammation in the body. It's given as a 10 mg injection for conditions like allergies, arthritis, or skin problems. The injection helps to decrease swelling, redness, and itching.

140 services36 patients

Injection of trigger points, 3 or more muscles 20553

Trigger point injection therapy involves injecting medication into specific areas of your muscles, known as trigger points. These are areas that produce pain and discomfort. If you have three or more muscles affected, each will be treated individually.

92 services36 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.

78 services78 patients

Injection of anesthetic or steroid into joint between lower spine and hip bone using imaging guidance 27096

This procedure involves injecting medicine into the joint where your lower spine meets your hip bone. Using special imaging technology, the doctor ensures the medicine is delivered accurately. This can help reduce pain and inflammation in that area.

59 services32 patients

Injection of substance into lower spine canal using imaging guidance 62323

This procedure involves injecting a substance into your lower spine canal, guided by real-time images. It's done to diagnose or treat various conditions. You may feel slight discomfort, but it's generally safe and can provide valuable information for your treatment plan.

48 services25 patients

Medicare Quality Performance CMS QPP · MIPS

Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.

85.18/100

MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program

Scored as part of a group practice

Quality

71.81

Promoting Interoperability

Improvement Activities

Cost

64.54

Reported Quality Measures

Pneumococcal Vaccination Status for Older Adults

Percentage of patients 65 years of age and older who have ever received a pneumococcal vaccine

100%110 patients5/55-star benchmark: 100%

Providers report different measures because they deliver different services; reporting more or less information is not a reflection of quality. Star ratings appear only where CMS assigned them.

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.

DIEP VUONG MD

Pain Medicine (Interventional Pain Medicine)

11406 LOMA LINDA DR STE 516
LOMA LINDA, CA 92354

San Bernardino County (909) 558-6204

MICHAEL EUGENE WETTSTEIN MD

Anesthesiology (Pain Medicine)

11406 LOMA LINDA DR STE 516
LOMA LINDA, CA 92354

San Bernardino County (909) 558-6204

DR. KYLO RIEL CAUTIVAR MD

Physical Medicine & Rehabilitation

11406 LOMA LINDA DR STE 516
LOMA LINDA, CA 92354

San Bernardino County (909) 558-6202

BRENDAN LEBARON DO

Physical Medicine & Rehabilitation

11406 LOMA LINDA DR STE 516
LOMA LINDA, CA 92354

San Bernardino County (909) 558-6202

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 Eugene Pak's NPI number?

The NPI number for Eugene Pak is 1407891658. It was assigned to this individual provider in the NPPES registry on June 19, 2006.

Where is Eugene Pak located?

Eugene Pak practices at 11406 Loma Linda Dr Ste 516, Loma Linda, CA 92354. The listed phone number is (909) 558-6204.

What is Eugene Pak's specialty?

The primary specialty registered for this NPI is Psychiatry & Neurology, specializing in Pain Medicine, with taxonomy code 2084P2900X.

Is Eugene Pak enrolled in Medicare?

Yes. Eugene Pak 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 organization bills Medicare for Eugene Pak's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Eugene Pak reassigns Medicare benefits to Faculty Physicians And Surgeons Of Llusm (Loma Linda, CA). The 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 Eugene Pak'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 Eugene Pak was last updated on July 21, 2022. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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.