DR. IAHN CAJIGAS M.D, PH.D.
NPI 1053730036
Neurological Surgery in San Francisco, CA

Active since April 07, 2014PECOS EnrolledAccepts Medicare Assignment
85.48/100
CMS Quality Rating
400 PARNASSUS AVE # A811, SAN FRANCISCO, CA 94143(415) 353-7500 Get Directions Write a Review

NPPES record last updated: September 21, 2021. Verified against the NPPES registry weekly; last sync: August 02, 2026.

About Dr. Iahn Cajigas M.d, Ph.d. NPPES

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

DR. IAHN CAJIGAS M.D, PH.D. (NPI 1053730036) is an individual neurological surgery provider in San Francisco, California, licensed in California (171902) and active in the NPI registry since April 2014. He is enrolled in Medicare PECOS, is affiliated with Lancaster General Hospital, and is a graduate of Harvard Medical School (2014).

NPPES Registry Identity

NPI1053730036
Entity TypeIndividualMale
Primary Taxonomy207T00000X
Provider Legal NameDR. IAHN CAJIGASCredential: M.D, PH.D.
Location Address400 PARNASSUS AVE # A811San Francisco, CA 94143-2202
Mailing Address400 Parnassus Ave # A811San Francisco, CA 94143-2202 · (415) 353-7500
Sole ProprietorNo
Medical School CMSHarvard Medical SchoolGraduated 2014
Enumeration DateApril 7, 2014
Last NPPES UpdateSeptember 21, 2021
NPPES CertifiedSeptember 21, 2021
NPI 1053730036 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

Primary SpecialtyNeurological SurgeryAllopathic & Osteopathic Physicians
Taxonomy Code207T00000X
License Licensed in CA · 171902
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.
400 PARNASSUS AVE # A811, San Francisco, CA 94143

Other Names 1

Other Name (5)Dr. Iahn Cajigas Gonzalez M.d, Ph.d.

Accepted Insurance

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. Iahn Cajigas M.d, Ph.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 ID1456752062
PECOS Enrollment IDI20221019002892
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 10

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.
70 services51 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.
66 services66 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.
61 services56 patients
Insertion of brain neurostimulator pulse device with connection to 2 or more electrode arrays 61886
This procedure involves placing a small device, called a neurostimulator, in your brain. It sends electrical impulses via 2 or more connected electrodes to specific brain areas to help control symptoms. It's a safe and common procedure.
28 services28 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.
23 services23 patients
Removal of skull bone with computer-assisted insertion of neurostimulator electrodes in brain with recording, first array 61867
This procedure involves the careful removal of a small portion of the skull, and with the aid of computer technology, electrodes are inserted into the brain. These electrodes help in brain activity recording and stimulation. This is the first array or set.
20 services20 patients

Hospital Affiliations CMS Care Compare 4

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Lancaster General Hospital

Acute Care Hospitals · Lancaster, PA
5/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number390100
Location555 North Duke StreetLancaster, PA 17602 · Lancaster County
Emergency services Birthing friendly

Hospital Of Univ Of Pennsylvania

Acute Care Hospitals · Philadelphia, PA
5/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number390111
Location34th & Spruce StsPhiladelphia, PA 19104 · Philadelphia County
Emergency services Birthing friendly

Penn Presbyterian Medical Center

Acute Care Hospitals · Philadelphia, PA
5/5 CMS rating
OwnershipVoluntary non-profit - Other
CMS Certification Number390223
Location51 North 39th StreetPhiladelphia, PA 19104 · Philadelphia County
Emergency services

Pennsylvania Hospital

Acute Care Hospitals · Philadelphia, PA
4/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number390226
Location800 Spruce StreetPhiladelphia, PA 19107 · Philadelphia County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 94143 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
$153.83 typical visit price
range $69.00 – $202.35
Typical copayment $38.45 (range $17.25 – $50.58)
Most-billed visit code 99204
Established Patient
$84.91 typical visit price
range $23.44 – $166.46
Typical copayment $21.22 (range $5.86 – $41.61)
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.

85.48/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored as part of a group practice
Quality73.6
Promoting Interoperability100
Improvement Activities40

Other Providers at the Same Location NPPES 3

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

Neurological Surgery
400 PARNASSUS AVE # A811
SAN FRANCISCO, CA 94143
Neurological Surgery
400 PARNASSUS AVE # A811
SAN FRANCISCO, CA 94143
Neurological Surgery
400 PARNASSUS AVE # A811
SAN FRANCISCO, CA 94143

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 Iahn Cajigas's NPI number?

The NPI number for Iahn Cajigas is 1053730036. It was assigned to this individual provider in the NPPES registry on April 7, 2014. The provider is also known as Dr. Iahn Cajigas Gonzalez M.D, Ph.D..

Where is Iahn Cajigas located?

Iahn Cajigas practices at 400 Parnassus Ave # A811, San Francisco, CA 94143. The listed phone number is (415) 353-7500.

What is Iahn Cajigas's specialty?

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

Is Iahn Cajigas enrolled in Medicare?

Yes. Iahn Cajigas 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.

What insurance does Iahn Cajigas accept?

Health plans from Ambetter Health, Ambetter Health of Delaware and Ambetter from Buckeye Health Plan list Iahn Cajigas 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.

Is Iahn Cajigas affiliated with any hospitals?

According to CMS data, Iahn Cajigas is affiliated with Lancaster General Hospital, Hospital Of Univ Of Pennsylvania, Penn Presbyterian Medical Center and Pennsylvania Hospital.

When was this NPI record last updated?

The NPPES record for Iahn Cajigas was last updated on September 21, 2021. 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.