Randall Ryan, MD
NPI 1255489209 · Neuromusculoskeletal Medicine & OMM Physician · Woodland Hills, CA
Enrolled with Medicare as Practitioner - Orthopedic Surgery · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Randall Ryan, MD is a Neuromusculoskeletal Medicine & OMM Physician provider in Woodland Hills, CA (NPI 1255489209).
Provider details
- NPI number
- 1255489209
- Entity type
- Individual
- Primary specialty
- Neuromusculoskeletal Medicine & OMM PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- G77941 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure33% of score
19 yrs in NPPES registry
- Profile completeness33% of score
100% of core fields populated
- Practice footprint20% of score
1 documented practice location
- Open Payments transparency13% of score
Has Open Payments disclosures (2024)
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 methodology.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 9 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Hydrocodone/Acetaminophenbrand: Hydrocodone-Acetaminophen | 95 | 67 |
| Ondansetronbrand: Ondansetron Odt | 57 | 53 |
| Ibuprofen | 48 | 32 |
| Omeprazole | 45 | 31 |
| Meloxicam | 44 | 18 |
| Oxycodone Hcl/Acetaminophenbrand: Oxycodone-Acetaminophen | 27 | 20 |
| Celecoxib | 22 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$43 across 2 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
- 2007-01-08
- Last updated
- 2021-12-01
Frequently asked questions
- What is Randall Ryan's NPI number?
- Randall Ryan's National Provider Identifier (NPI) is 1255489209, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Randall Ryan's specialty?
- Randall Ryan is listed in the NPPES registry with a primary specialty of Neuromusculoskeletal Medicine & OMM Physician (Allopathic & Osteopathic Physicians).
- Where is Randall Ryan located?
- Randall Ryan's practice location on file with NPPES is 5601 De Soto Ave, Woodland Hills, CA 91367-6701.
- What is Randall Ryan's phone number?
- The practice phone number listed in the NPPES registry for Randall Ryan is (818) 719-2000.
- Does Randall Ryan accept Medicare?
- Randall Ryan is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Randall Ryan's NPI active?
- Yes — Randall Ryan's NPI (1255489209) is active in the NPPES registry as of the last update on 2021-12-01.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.