DR. RIDGELY OLIVER MULLER M.D.
NPI 1003920497
Emergency Medicine in Santa Rosa, CA

Active since August 19, 2006PECOS EnrolledAccepts Medicare Assignment
1165 MONTGOMERY DR, SANTA ROSA, CA 95405(707) 525-5207(626) 397-5643 Get Directions Write a Review

NPPES record last updated: November 9, 2021. Verified against the NPPES registry weekly; last sync: July 26, 2026.

Record update history: Nov 9, 2021, Jan 21, 2016 (2 updates tracked since 2016).

About Dr. Ridgely Oliver Muller M.d. NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

DR. RIDGELY OLIVER MULLER M.D. (NPI 1003920497) is an individual emergency medicine provider in Santa Rosa, California, licensed in California (A64483) and active in the NPI registry since August 2006. He is enrolled in Medicare PECOS and is a graduate of University Of Southern California Keck School Of Medicine (1996).

NPPES Registry Identity

NPI1003920497
Entity TypeIndividualMale
Primary Taxonomy207P00000X
Provider Legal NameDR. RIDGELY OLIVER MULLERCredential: M.D.
Location Address1165 MONTGOMERY DRSanta Rosa, CA 95405-4801
Mailing Address1165 Montgomery DrSanta Rosa, CA 95405-4801 · (707) 303-8307 · Fax (818) 952-1175
Fax(626) 397-5643
Sole ProprietorNo
Medical School CMSUniversity Of Southern California Keck School Of MedicineGraduated 1996
Enumeration DateAugust 19, 2006
Last NPPES UpdateNovember 9, 20212 updates tracked since enumeration
NPPES CertifiedNovember 9, 2021
NPI 1003920497 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyEmergency MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207P00000X
License Licensed in CA · A64483
Definition

An emergency physician focuses on the immediate decision making and action necessary to prevent death or any further disability both in the pre-hospital setting by directing emergency medical technicians and in the emergency department. The emergency physician provides immediate recognition, evaluation, care, stabilization and disposition of a generally diversified population of adult and pediatric patients in response to acute illness and injury.

1165 MONTGOMERY DR, Santa Rosa, CA 95405

Other Identifiers 1

Medicaid00A644830CA

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

Enrolled in Medicare and accepts Medicare assignment

Dr. Ridgely Oliver Muller M.d. is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID9830297639
PECOS Enrollment IDI20070601000221
Eligible to Order & Refer Part B Labs & Imaging Durable Medical Equipment Home Health Agency Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Areas of Expertise CMS Part B claims 6

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Emergency department visit with high level of medical decision making 99285
An emergency department visit for severe conditions is when you urgently seek medical help due to serious health issues. These could be severe injuries, breathing problems, unbearable pain, or sudden severe illness. Doctors and nurses will provide immediate care to stabilize your condition.
406 services387 patients
Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only 93010
A routine electrocardiogram (ECG) with 12 leads is a simple, non-invasive test that records the electrical activity of your heart. It helps in identifying heart conditions by detecting irregularities in your heart rhythms. The results are interpreted and a report is provided.
232 services205 patients
Emergency department visit with moderate level of medical decision making 99284
An emergency department visit for a high-severity issue means you're experiencing a serious health problem that needs immediate attention. This could be a severe injury, serious illness, or life-threatening condition. Medical professionals will provide urgent care to stabilize your condition.
174 services167 patients
Critical care, first 30-74 minutes 99291
Critical care involves immediate and constant attention by a team of specially-trained health professionals. It's for patients with life-threatening conditions, requiring first 30-74 minutes of intense monitoring and treatment.
124 services123 patients
Emergency department visit with low level of medical decision making 99283
An emergency department visit for a problem of moderate severity involves immediate medical attention for issues like minor fractures, burns, or high fever. The healthcare team will assess your condition, provide necessary treatment, and may suggest further tests or admission if required.
17 services17 patients
Simple repair of surface wound of scalp, neck, underarms, trunk, arms, or legs, 2.5 cm or less 12001
This is a procedure to fix a minor wound on your scalp, neck, underarms, trunk, arms, or legs that is 2.5 cm or less. It involves cleaning, and then stitching or gluing the wound to help it heal properly and minimize scarring.
16 services16 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 95405 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$96.16 typical visit price
range $63.04 – $187.01
Typical copayment $24.04 (range $15.76 – $46.75)
Most-billed visit code 99203
Established Patient
$109.88 typical visit price
range $21.02 – $153.40
Typical copayment $27.47 (range $5.25 – $38.35)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

Occupational Therapist (Physical Rehabilitation)
1165 MONTGOMERY DR
SANTA ROSA, CA 95405
Registered Nurse (Medical-Surgical)
1165 MONTGOMERY DR
SANTA ROSA, CA 95405
Anesthesiology (Pain Medicine)
1165 MONTGOMERY DR
SANTA ROSA, CA 95405
Pharmacist
1165 MONTGOMERY DR
SANTA ROSA, CA 95405
Emergency Medicine
1165 MONTGOMERY DR
SANTA ROSA, CA 95405
Emergency Medicine
1165 MONTGOMERY DR, SANTA ROSA MEMORIAL HOSPITAL
SANTA ROSA, CA 95405
Emergency Medicine
1165 MONTGOMERY DR
SANTA ROSA, CA 95405
Emergency Medicine
1165 MONTGOMERY DR, M/S 1W04
SANTA ROSA, CA 95405

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Ridgely Muller's NPI number?

The NPI number for Ridgely Muller is 1003920497. It was assigned to this individual provider in the NPPES registry on August 19, 2006.

Where is Ridgely Muller located?

Ridgely Muller practices at 1165 Montgomery Dr, Santa Rosa, CA 95405. The listed phone number is (707) 525-5207.

What is Ridgely Muller's specialty?

The primary specialty registered for this NPI is Emergency Medicine with taxonomy code 207P00000X.

Is Ridgely Muller enrolled in Medicare?

Yes. Ridgely Muller is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

When was this NPI record last updated?

The NPPES record for Ridgely Muller was last updated on November 9, 2021. NPI Profile syncs with the weekly NPPES data releases published by CMS.