DR. GREGORY SCOTT AAEN M.D.
NPI 1780898304
Psychiatry & Neurology - Neurology with Special Qualifications in Child Neurology in Loma Linda, CA

Active since May 10, 2007PECOS EnrolledAccepts Medicare Assignment
85.18/100
CMS Quality Rating
LLUMC, HOUSE STAFF OFFICE CP 21005, 11234 ANDERSON ST., LOMA LINDA, CA 92354(909) 558-4000 Get Directions Write a Review

NPPES record last updated: July 8, 2007. Verified against the NPPES registry weekly; last sync: August 02, 2026.

About Dr. Gregory Scott Aaen M.d. NPPES

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

DR. GREGORY SCOTT AAEN M.D. (NPI 1780898304) is an individual neurology with special qualifications in child neurology provider in Loma Linda, California, licensed in California (A90485) and active in the NPI registry since May 2007. He is enrolled in Medicare PECOS and is a graduate of Loma Linda University School Of Medicine (2003).

NPPES Registry Identity

NPI1780898304
Entity TypeIndividualMale
Primary Taxonomy2084N0402X
Provider Legal NameDR. GREGORY SCOTT AAENCredential: M.D.
Location AddressLLUMC, HOUSE STAFF OFFICE CP 21005, 11234 ANDERSON ST.Loma Linda, CA 92354
Mailing AddressLlumc, House Staff Office Cp 21005, 11234 Anderson St.Loma Linda, CA 92354 · (909) 558-4000
Sole ProprietorNo
Medical School CMSLoma Linda University School Of MedicineGraduated 2003
Enumeration DateMay 10, 2007
Last NPPES UpdateJuly 8, 2007
NPI 1780898304 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyPsychiatry & Neurology · Neurology with Special Qualifications in Child NeurologyAllopathic & Osteopathic Physicians
Taxonomy Code2084N0402X
License Licensed in CA · A90485
Definition
A Child Neurologist specializes in neurology with special skills in diagnosis and treatment of neurologic disorders of the neonatal period, infancy, early childhood, and adolescence.
LLUMC, HOUSE STAFF OFFICE CP 21005, 11234 ANDERSON ST., Loma Linda, CA 92354

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

Enrolled in Medicare and accepts Medicare assignment

Dr. Gregory Scott Aaen 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 ID1456419407
PECOS Enrollment IDI20081021000428
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.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 92354 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
$136.04 typical visit price
range $59.60 – $179.42
Typical copayment $34.01 (range $14.90 – $44.85)
Most-billed visit code 99204
Established Patient
$104.64 typical visit price
range $19.37 – $146.42
Typical copayment $26.16 (range $4.84 – $36.60)
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.

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
Quality71.81
Promoting Interoperability82
Improvement Activities40
Cost64.54

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 Gregory Aaen's NPI number?

The NPI number for Gregory Aaen is 1780898304. It was assigned to this individual provider in the NPPES registry on May 10, 2007.

Where is Gregory Aaen located?

Gregory Aaen practices at Llumc, House Staff Office Cp 21005, 11234 Anderson St., Loma Linda, CA 92354. The listed phone number is (909) 558-4000.

What is Gregory Aaen's specialty?

The primary specialty registered for this NPI is Psychiatry & Neurology, specializing in Neurology with Special Qualifications in Child Neurology, with taxonomy code 2084N0402X.

Is Gregory Aaen enrolled in Medicare?

Yes. Gregory Aaen 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.

When was this NPI record last updated?

The NPPES record for Gregory Aaen was last updated on July 8, 2007. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 19 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.