DR. ROBERT KAY PETERSON M.D.
NPI 1093717951
Orthopaedic Surgery - Sports Medicine in Vacaville, CA

Q: What is Robert Peterson's NPI number?

The NPI number for Robert Peterson is 1093717951. It was assigned to this individual provider in the NPPES registry on August 11, 2005.

Q: What is Robert Peterson's specialty?

The primary specialty registered for this NPI is Orthopaedic Surgery, specializing in Sports Medicine, with taxonomy code 207XX0005X.

Q: When was this NPI record last updated?

The NPPES record for Robert Peterson was last updated on November 15, 2013. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 12 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.

Active since August 11, 2005PECOS EnrolledAccepts Medicare Assignment

1010 NUT TREE RD, STE 200, VACAVILLE, CA 95687(707) 624-7900(707) 624-7901 Get Directions Write a Review

NPPES record last updated: November 15, 2013. Verified against the NPPES registry weekly; last sync: November 01, 2026.

On this page

About Dr. Robert Kay Peterson M.d. NPPES

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

DR. ROBERT KAY PETERSON M.D. (NPI 1093717951) is an individual sports medicine provider in Vacaville, California, licensed in California (G84728) and active in the NPI registry since August 2005. He is enrolled in Medicare PECOS and is a graduate of Albert Einstein College Of Medicine Of Yeshiva University (1992).

NPPES Registry Identity

NPI1093717951

Entity TypeIndividualMale

Primary Taxonomy207XX0005X

Provider Legal NameDR. ROBERT KAY PETERSONCredential: M.D.

Location Address1010 NUT TREE RD, STE 200Vacaville, CA 95687-4172

Mailing Address1010 Nut Tree Rd, Ste 200Vacaville, CA 95687-4172 · (707) 624-7900 · Fax (707) 624-7911

Phone(707) 624-7900

Fax(707) 624-7901

Sole ProprietorYes

Medical School CMSAlbert Einstein College Of Medicine Of Yeshiva UniversityGraduated 1992

Enumeration DateAugust 11, 2005

Last NPPES UpdateNovember 15, 2013

✔ NPI 1093717951 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyOrthopaedic Surgery · Sports MedicineAllopathic & Osteopathic Physicians

Taxonomy Code207XX0005X

License✔ Licensed in CA · G84728

Definition

An orthopaedic surgeon trained in sports medicine provides appropriate care for all structures of the musculoskeletal system directly affected by participation in sporting activity. This specialist is proficient in areas including conditioning, training and fitness, athletic performance and the impact of dietary supplements, pharmaceuticals, and nutrition on performance and health, coordination of care within the team setting utilizing other health care professionals, field evaluation and management, soft tissue biomechanics and injury healing and repair. Knowledge and understanding of the principles and techniques of rehabilitation, athletic equipment and orthotic devices enables the specialist to prevent and manage athletic injuries.

1010 NUT TREE RD, Vacaville, CA 95687

Open in Google Maps ↗

Other Identifiers 2

Medicare ID-Type Unspecified00G847280

Medicare UPING50858

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

Dr. Robert Kay Peterson 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 ID840196531

PECOS Enrollment IDI20070815000680

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.

Medicare Billing Reassignments

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

Northbay Healthcare Group

0.1 mi

Multi-Specialty

1020 NUT TREE RD # 390
Vacaville, CA 95687

Reassigned Medicare billing, California enrollment
Medicare enrollment name: Northbay Physicians Surgery Center, LLC
516 clinicians in this Medicare group

NPI 1760534713 (707) 624-8000

Northbay Physicians Surgery Center LLC

0.1 mi

Ambulatory Surgical

1006 NUT TREE ROAD
Vacaville, CA 95687

Reassigned Medicare billing, California enrollment
17 clinicians in this Medicare group

NPI 1003015843 (707) 446-2800

Northbay Health Medical Foundation

13 mi

Internal Medicine

4500 BUSINESS CENTER DR
Fairfield, CA 94534

Reassigned Medicare billing, California enrollment
225 clinicians in this Medicare group

NPI 1760283527 (707) 646-3110

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 10

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.

Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more 99213

This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.

323 services172 patients

Aspiration and/or injection of fluid from large joint 20610

This procedure involves using a needle to remove (aspiration) or introduce (injection) fluid into a large joint like the knee or hip. It can help diagnose conditions, relieve discomfort, or deliver medication directly to the joint.

226 services135 patients

New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more 99204

This is a first-time office or outpatient visit lasting between 45-59 minutes. The healthcare provider evaluates your health, discusses your medical history, and may suggest further tests or treatments. It's an opportunity to ask questions and understand your health better.

87 services87 patients

Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more 99212

This is a routine check-up for patients who have previously seen the doctor. During this 10-19 minute visit, the doctor will review your health status, discuss any concerns, and manage ongoing treatments or medications. It's a chance to ensure your health is on track.

71 services59 patients

Hyaluronan or derivative, euflexxa, for intra-articular injection, per dose J7323

Hyaluronan or Euflexxa is a substance similar to a natural substance in your joints. It's injected into the joint space to treat pain from osteoarthritis, especially in the knee. It helps to lubricate the joint, reducing pain and improving mobility.

61 services19 patients

Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214

This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.

41 services40 patients

Referred Medical Equipment & Supplies CMS DME claims

Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.

Shoulder orthosis, acromio/clavicular (canvas and webbing type), prefabricated, off-the-shelf L3670

DME-Orthotic Devices · category DF000N

3 suppliers17 claims17 services$105.22 avg. paid by Medicare

Dollar amounts are the average Medicare paid the supplier per service. They are not the cost to the patient.

Other Providers at the Same Location NPPES 9

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

GREGORY YERVANT WARNER D.O.

Internal Medicine (Infectious Disease)

1010 NUT TREE RD, SUITE 100B
VACAVILLE, CA 95687

Solano County (707) 624-7999

MIYA E ALLEN M.D.

Internal Medicine (Endocrinology, Diabetes & Metabolism)

1010 NUT TREE RD, SUITE 100B
VACAVILLE, CA 95687

Solano County (707) 624-7947

THOMAS DANIEL ERSKINE M.D.

Internal Medicine

1010 NUT TREE RD, STE 100
VACAVILLE, CA 95687

Solano County (707) 624-7979

LAXMI DHAKAL NP

Nurse Practitioner

1010 NUT TREE RD
VACAVILLE, CA 95687

Solano County (510) 974-9386

DR. ANDREW T BROOKS M.D.

Orthopaedic Surgery

1010 NUT TREE RD, SUITE 200
VACAVILLE, CA 95687

Solano County (707) 624-7900

HANNAH KRIMINS MERTENS PA-C

Physician Assistant

1010 NUT TREE RD, SUITE 200
VACAVILLE, CA 95687

Solano County (707) 624-7900

DR. MELISSA SCHOENWETTER D.O.

Internal Medicine (Rheumatology)

1010 NUT TREE RD, SUITE 200
VACAVILLE, CA 95687

Solano County (707) 624-8530

WAYNE N PEDERSEN DDS

Dentist (General Practice)

1010 NUT TREE RD, SUITE 280
VACAVILLE, CA 95687

Solano County (707) 447-1010

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 Robert Peterson's NPI number?

The NPI number for Robert Peterson is 1093717951. It was assigned to this individual provider in the NPPES registry on August 11, 2005.

Where is Robert Peterson located?

Robert Peterson practices at 1010 Nut Tree Rd Ste 200, Vacaville, CA 95687. The listed phone number is (707) 624-7900.

What is Robert Peterson's specialty?

The primary specialty registered for this NPI is Orthopaedic Surgery, specializing in Sports Medicine, with taxonomy code 207XX0005X.

Is Robert Peterson enrolled in Medicare?

Yes. Robert Peterson 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 Robert Peterson's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Robert Peterson reassigns Medicare benefits to 3 organizations: Northbay Healthcare Group (Vacaville, CA), Northbay Physicians Surgery Center LLC (Vacaville, CA) and Northbay Health Medical Foundation (Fairfield, 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 Robert Peterson'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 Robert Peterson was last updated on November 15, 2013. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 12 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.