Ridgely Muller, M.D.
NPI 1003920497 · Emergency Medicine Physician · Santa Rosa, CA
Enrolled with Medicare as Practitioner - Emergency Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Ridgely Muller, M.D. is a Emergency Medicine Physician provider in Santa Rosa, CA (NPI 1003920497).
Provider details
- NPI number
- 1003920497
- Entity type
- Individual
- Primary specialty
- Emergency Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- A64483 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
19 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
969 Medicare services, 2024 (ranked within specialty)
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 methodology.
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) |
|---|---|---|
| Emergency Department Visit With High Level of Medical Decision Making99285 | 406 | $173 |
| Routine Electrocardiogram (ecg) Using at Least 12 Leads With Interpretation and Report Only93010 | 232 | $8 |
| Emergency Department Visit With Moderate Level of Medical Decision Making99284 | 174 | $119 |
| Critical Care, First 30-74 Minutes99291 | 124 | $214 |
| Emergency Department Visit With Low Level of Medical Decision Making99283 | 17 | $70 |
| Simple Repair of Surface Wound of Scalp, Neck, Underarms, Trunk, Arms, Or Legs, 2.5 Cm Or Less12001 | 16 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 14 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Methylprednisolone | 94 | 79 |
| Ondansetronbrand: Ondansetron Odt | 88 | 87 |
| Oxycodone Hcl/Acetaminophenbrand: Oxycodone-Acetaminophen | 77 | 55 |
| Cephalexin | 41 | 41 |
| Hydrocodone/Acetaminophenbrand: Hydrocodone-Acetaminophen | 36 | 36 |
| Methocarbamol | 17 | 17 |
| Fluticasone Propionate | 17 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-08-19
- Last updated
- 2021-11-09
- Certified
- 2021-11-09
Frequently asked questions
- What is Ridgely Muller's NPI number?
- Ridgely Muller's National Provider Identifier (NPI) is 1003920497, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Ridgely Muller's specialty?
- Ridgely Muller is listed in the NPPES registry with a primary specialty of Emergency Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Ridgely Muller located?
- Ridgely Muller's practice location on file with NPPES is 1165 Montgomery Dr, Santa Rosa, CA 95405-4801.
- What is Ridgely Muller's phone number?
- The practice phone number listed in the NPPES registry for Ridgely Muller is (707) 525-5207.
- Does Ridgely Muller accept Medicare?
- Ridgely Muller is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Ridgely Muller's NPI active?
- Yes — Ridgely Muller's NPI (1003920497) is active in the NPPES registry as of the last update on 2021-11-09.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.