Donal Ryan, M.D.
NPI 1689668626 · Anesthesiology Physician · Sacramento, CA
Enrolled with Medicare as Practitioner - Anesthesiology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Donal Ryan, M.D. is a Anesthesiology Physician provider in Sacramento, CA (NPI 1689668626).
Provider details
- NPI number
- 1689668626
- Entity type
- Individual
- Primary specialty
- Anesthesiology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- A71026 (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
20 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
198 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) |
|---|---|---|
| Injection of Anesthetic Agent And/Or Steroid Into Thigh Nerve (femoral Nerve)64447 | 36 | $63 |
| Anesthesia for Procedure for Total Knee Joint Replacement01402 | 34 | $288 |
| Anesthesia for Lens Surgery00142 | 31 | $135 |
| Anesthesia for Procedure on Small and Large Bowel Using an Endoscope00813 | 21 | $187 |
| Anesthesia for Other Procedure on Esophagus, Stomach, Or Upper Small Bowel Using an Endoscope00731 | 19 | $144 |
| Injection of Anesthetic Agent And/Or Steroid Into Arm Nerve Bundle (brachial Plexus)64415 | 18 | $69 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$35 across 1 record (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
- 2005-09-06
- Last updated
- 2010-12-08
Frequently asked questions
- What is Donal Ryan's NPI number?
- Donal Ryan's National Provider Identifier (NPI) is 1689668626, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Donal Ryan's specialty?
- Donal Ryan is listed in the NPPES registry with a primary specialty of Anesthesiology Physician (Allopathic & Osteopathic Physicians).
- Where is Donal Ryan located?
- Donal Ryan's practice location on file with NPPES is 3315 Watt Ave, Sacramento, CA 95821-3600.
- What is Donal Ryan's phone number?
- The practice phone number listed in the NPPES registry for Donal Ryan is (916) 481-6800.
- Does Donal Ryan accept Medicare?
- Donal Ryan is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Donal Ryan's NPI active?
- Yes — Donal Ryan's NPI (1689668626) is active in the NPPES registry as of the last update on 2010-12-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.