Iahn Cajigas, M.D, PH.D.
NPI 1053730036 · Neurological Surgery Physician · San Francisco, CA
Enrolled with Medicare as Practitioner - Neurosurgery · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Iahn Cajigas, M.D, PH.D. is a Neurological Surgery Physician provider in San Francisco, CA (NPI 1053730036).
Provider details
- NPI number
- 1053730036
- Entity type
- Individual
- Primary specialty
- Neurological Surgery PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D, PH.D.
- Sex
- Male
- Sole proprietor
- No
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Student, Health Care
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
12 yrs in NPPES registry
- Profile completeness25% of score
83% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
333 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our .
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 70 | $99 |
| New Patient Office Or Other Outpatient Visit With a High Level of Medical Decision Making, If Using Time, 60 Minutes Or More99205 | 66 | $183 |
| Established Patient Office Or Other Outpatient Visit With High Level of Medical Decision Making, If Using Time, 40 Minutes Or More99215 | 61 | $146 |
| Insertion of Brain Neurostimulator Pulse Device With Connection to 2 Or More Electrode Arrays61886 | 28 | $890 |
| New Patient Office Or Other Outpatient Visit With a High Level of Medical Decision Making, If Using Time, 60 Minutes Or More99205 | 23 | $204 |
| Removal of Skull Bone With Computer-Assisted Insertion of Neurostimulator Electrodes in Brain With Recording, First Array |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$3,811 across 25 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Registry dates
- Enumerated
- 2014-04-07
- Last updated
- 2021-09-21
- Certified
- 2021-09-21
Frequently asked questions
- What is Iahn Cajigas's NPI number?
- Iahn Cajigas's National Provider Identifier (NPI) is 1053730036, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Iahn Cajigas's specialty?
- Iahn Cajigas is listed in the NPPES registry with a primary specialty of Neurological Surgery Physician (Allopathic & Osteopathic Physicians).
- Where is Iahn Cajigas located?
- Iahn Cajigas's practice location on file with NPPES is 400 Parnassus Ave # A811, San Francisco, CA 94143-2202.
- What is Iahn Cajigas's phone number?
- The practice phone number listed in the NPPES registry for Iahn Cajigas is (415) 353-7500.
- Does Iahn Cajigas accept Medicare?
- Iahn Cajigas is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Iahn Cajigas's NPI active?
- Yes — Iahn Cajigas's NPI (1053730036) is active in the NPPES registry as of the last update on 2021-09-21.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.