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RAMON RIOS LOPEZ
NPI 1285398552
Nurse Anesthetist, Certified Registered in Pleasant Hill, CA

Active since October 23, 2021Accepts Medicare Assignment
81.55/100
CMS Quality Rating
2209 SHERMAN DR, PLEASANT HILL, CA 94523(925) 826-2803 Get Directions Write a Review

NPPES record last updated: February 8, 2023. Verified against the NPPES registry weekly; last sync: November 01, 2026.

Record update history: Feb 8, 2023, Oct 23, 2021 (2 updates tracked since 2021).

About Ramon Rios Lopez NPPES

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

RAMON RIOS LOPEZ (NPI 1285398552) is an individual nurse anesthetist, certified registered in Pleasant Hill, California, licensed in California (95001725) and active in the NPI registry since October 2021. He is a graduate of Other (2021).

NPPES Registry Identity

NPI1285398552
Entity TypeIndividualMale
Primary Taxonomy367500000X
Provider Legal NameRAMON RIOS LOPEZ
Location Address2209 SHERMAN DRPleasant Hill, CA 94523-3430
Mailing Address2209 Sherman DrPleasant Hill, CA 94523-3430 · (925) 826-2803
Phone(925) 826-2803
Sole ProprietorYes
Medical School CMSOtherGraduated 2021
Enumeration DateOctober 23, 2021
Last NPPES UpdateFebruary 8, 20232 updates tracked since enumeration
NPPES CertifiedFebruary 8, 2023
✔ NPI 1285398552 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyNurse Anesthetist, Certified RegisteredPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code367500000X
License✔ Licensed in CA · 95001725
Definition
(1) A licensed registered nurse with advanced specialty education in anesthesia who, in collaboration with appropriate health care professionals, provides preoperative, intraoperative, and postoperative care to patients and assists in management and resuscitation of critical patients in intensive care, coronary care, and emergency situations. Nurse anesthetists are certified following successful completion of credentials and state licensure review and a national examination directed by the Council on Certification of Nurse Anesthetists. (2) A registered nurse who is qualified by special training to administer anesthesia in collaboration with a physician or dentist and who can assist in the care of patients who are in critical condition.
Also ListedRegistered NurseTaxonomy 163W00000X · License 95116703 (CA)
2209 SHERMAN DR, Pleasant Hill, CA 94523
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Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Ramon Rios Lopez 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 ID6305232059
PECOS Enrollment IDI20220405001578

Medicare Billing Reassignments

3

Medicare enrollment records show Ramon Lopez reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Permanente Medical Group Inc
16 mi
Internal Medicine
975 SERENO DRIVE
Vallejo, CA 94589
  • Reassigned Medicare billing, California enrollment
  • 20,078 clinicians in this Medicare group
NPI 1336222397 (707) 651-1000
Sedaze Anesthesia Consultants A Professional Nursing Corporation
18 mi
Nurse Anesthetist, Certified Registered
20998 REDWOOD RD
Castro Valley, CA 94546
  • Reassigned Medicare billing, California enrollment
  • 45 clinicians in this Medicare group
NPI 1366209629 (510) 576-8500
Oak Creek Anesthesia Services, Inc.
189 mi
Anesthesiology
400 W MINERAL KING AVE
Visalia, CA 93291
  • Reassigned Medicare billing, California enrollment
  • 131 clinicians in this Medicare group
NPI 1619589512 (559) 624-5432

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Areas of Expertise CMS Part B claims 2

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.

Anesthesia for other procedure on esophagus, stomach, or upper small bowel using an endoscope 00731
This procedure involves the use of an endoscope, a flexible tube with a light and camera, to examine your esophagus, stomach, or upper small bowel. Anesthesia ensures you are comfortable and pain-free during the procedure.
13 services13 patients
Anesthesia for procedure on small and large bowel using an endoscope 00813
Anesthesia for an endoscopic procedure on the small and large bowel ensures comfort and relaxation during the procedure. It involves administering medicine to help you sleep or feel drowsy. This allows the doctor to examine your bowels without causing you discomfort or pain.
13 services13 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 94523 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
$153.83 typical visit price
range $69.00 – $202.35
Typical copayment $38.45 (range $17.25 – $50.58)
Most-billed visit code 99204
Established Patient
$84.91 typical visit price
range $23.44 – $166.46
Typical copayment $21.22 (range $5.86 – $41.61)
Most-billed visit code 99213
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Medicare Quality Performance CMS QPP · MIPS

Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.

81.55/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored as part of a group practice
Quality70
Improvement Activities40

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 Ramon Lopez's NPI number?

The NPI number for Ramon Lopez is 1285398552. It was assigned to this individual provider in the NPPES registry on October 23, 2021.

Where is Ramon Lopez located?

Ramon Lopez practices at 2209 Sherman Dr, Pleasant Hill, CA 94523. The listed phone number is (925) 826-2803.

What is Ramon Lopez's specialty?

The primary specialty registered for this NPI is Nurse Anesthetist, Certified Registered with taxonomy code 367500000X.

Is Ramon Lopez enrolled in Medicare?

Yes. Ramon Lopez 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.

Which organizations bill Medicare for Ramon Lopez's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Ramon Lopez reassigns Medicare benefits to 3 organizations: Permanente Medical Group Inc (Vallejo, CA), Sedaze Anesthesia Consultants A Professional Nursing Corporation (Castro Valley, CA) and Oak Creek Anesthesia Services, Inc. (Visalia, CA). Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Ramon Lopez's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

When was this NPI record last updated?

The NPPES record for Ramon Lopez was last updated on February 8, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.