Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

DR. CHRISTOPHER JAMES AHO M.D.
NPI 1295775807
Neurological Surgery in Valencia, CA

Q: What is Christopher Aho's NPI number?

The NPI number for Christopher Aho is 1295775807. It was assigned to this individual provider in the NPPES registry on June 8, 2006.

Q: What is Christopher Aho's specialty?

The primary specialty registered for this NPI is Neurological Surgery with taxonomy code 207T00000X.

Q: When was this NPI record last updated?

The NPPES record for Christopher Aho was last updated on July 24, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 22 days 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 08, 2006PECOS Enrolled

23929 MCBEAN PKWY STE 215, VALENCIA, CA 91355(661) 799-2542(562) 945-5801 Get Directions Write a Review

NPPES record last updated: July 24, 2026. Verified against the NPPES registry weekly; last sync: August 09, 2026.

Record update history: Jul 24, 2026, Nov 22, 2016 (2 updates tracked since 2016).

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About Dr. Christopher James Aho M.d. NPPES

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

DR. CHRISTOPHER JAMES AHO M.D. (NPI 1295775807) is an individual neurological surgery provider in Valencia, California, licensed in California (A79102) and active in the NPI registry since June 2006. He is enrolled in Medicare PECOS and is a graduate of University Of Michigan Medical School (1999).

NPPES Registry Identity

NPI1295775807

Entity TypeIndividualMale

Primary Taxonomy207T00000X

Provider Legal NameDR. CHRISTOPHER JAMES AHOCredential: M.D.

Location Address23929 MCBEAN PKWY STE 215Valencia, CA 91355-4468

Mailing Address23929 Mcbean Pkwy Ste 215Valencia, CA 91355-4468 · (661) 799-2542 · Fax (661) 253-0248

Phone(661) 799-2542

Fax(562) 945-5801

Sole ProprietorNo

Medical School CMSUniversity Of Michigan Medical SchoolGraduated 1999

Enumeration DateJune 8, 2006

Last NPPES UpdateJuly 24, 20262 updates tracked since enumeration

NPPES CertifiedJuly 24, 2026

✔ NPI 1295775807 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyNeurological SurgeryAllopathic & Osteopathic Physicians

Taxonomy Code207T00000X

License✔ Licensed in CA · A79102

Definition

A neurological surgeon provides the operative and non-operative management (i.e., prevention, diagnosis, evaluation, treatment, critical care, and rehabilitation) of disorders of the central, peripheral, and autonomic nervous systems, including their supporting structures and vascular supply; the evaluation and treatment of pathological processes which modify function or activity of the nervous system; and the operative and non-operative management of pain. A neurological surgeon treats patients with disorders of the nervous system; disorders of the brain, meninges, skull, and their blood supply, including the extracranial carotid and vertebral arteries; disorders of the pituitary gland; disorders of the spinal cord, meninges, and vertebral column, including those which may require treatment by spinal fusion or instrumentation; and disorders of the cranial and spinal nerves throughout their distribution.

23929 MCBEAN PKWY STE 215, Valencia, CA 91355

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Other Identifiers 1

Medicaid0096037CA

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. Christopher James Aho 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 ID4082618590

PECOS Enrollment IDI20060913000612

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.

Areas of Expertise CMS Part B claims 4

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.

47 services32 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.

41 services25 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.

32 services32 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.

20 services19 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 91355 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

$142.39 typical visit price

range $62.96 – $187.60

Typical copayment $35.59 (range $15.74 – $46.90)

Most-billed visit code 99204

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.

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.

Reported Quality Measures

Provide Patient Access

At least one patient seen by the MIPS eligible clinician during the performance period is provided timely access to view online, download, and transmit to a third party their health information subject to the MIPS eligible clinician's discretion to withhold…

0%428 patients1/55-star benchmark: 100%

Use of High-Risk Medications in the Elderly

Percentage of patients 65 years of age and older who were ordered high-risk medications. Two rates are submitted. 1) Percentage of patients who were ordered at least one high-risk medication.

Lower rates are better for this measure.

Patients 2+: 0% · 224 patients

0%224 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 9

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

DR. TRAVIS R LADNER MD

Neurological Surgery