Ryan Jamison, D.O.
NPI 1427289776 · Anesthesiology Physician · Fountain Valley, CA
Enrolled with Medicare as Practitioner - Anesthesiology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Ryan Jamison, D.O. is a Anesthesiology Physician provider in Fountain Valley, CA (NPI 1427289776).
Provider details
- NPI number
- 1427289776
- Entity type
- Individual
- Primary specialty
- Anesthesiology PhysicianAllopathic & Osteopathic Physicians
- Credential
- D.O.
- Sex
- Male
- Sole proprietor
- No
- License
- 20A10344 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
16 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
153 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) |
|---|---|---|
| Insertion of Artery Tube for Blood Sampling Or Infusion Through Skin36620 | 31 | $43 |
| Ultrasonic Guidance for Blood Vessel Access76937 | 30 | $14 |
| Insertion of Tube in Pulmonary Artery for Monitoring93503 | 18 | $83 |
| Ultrasound of Heart With Probe in Esophagus, With Report93312 | 17 | $109 |
| Ultrasound of Heart Blood Flow, Valves and Chambers93320 | 17 | $17 |
| Anesthesia for Procedure to Assess Heart Electrical Activity00537 | 14 | $354 |
| Anesthesia for X-Ray on Artery of Brain, Heart, Or Chest |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$694 across 11 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
- 2009-08-04
- Last updated
- 2016-01-07
Frequently asked questions
- What is Ryan Jamison's NPI number?
- Ryan Jamison's National Provider Identifier (NPI) is 1427289776, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Ryan Jamison's specialty?
- Ryan Jamison is listed in the NPPES registry with a primary specialty of Anesthesiology Physician (Allopathic & Osteopathic Physicians).
- Where is Ryan Jamison located?
- Ryan Jamison's practice location on file with NPPES is 9920 Talbert Ave, Fountain Valley, CA 92708-5153.
- What is Ryan Jamison's phone number?
- The practice phone number listed in the NPPES registry for Ryan Jamison is (714) 378-7000.
- Does Ryan Jamison accept Medicare?
- Ryan Jamison is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Ryan Jamison's NPI active?
- Yes — Ryan Jamison's NPI (1427289776) is active in the NPPES registry as of the last update on 2016-01-07.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.