DR. ROBERT D. FREY M.D.
NPI 1912934779
Pain Medicine - Interventional Pain Medicine in Ventura, CA

Q: What is Robert Frey's NPI number?

The NPI number for Robert Frey is 1912934779. It was assigned to this individual provider in the NPPES registry on June 27, 2006.

Q: What is Robert Frey's specialty?

The primary specialty registered for this NPI is Pain Medicine, specializing in Interventional Pain Medicine, with taxonomy code 208VP0014X.

Q: When was this NPI record last updated?

The NPPES record for Robert Frey was last updated on December 1, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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 June 27, 2006PECOS Enrolled

94.98/100

CMS Quality Rating

1752 S VICTORIA AVE, SUITE B, VENTURA, CA 93003(805) 644-4930(805) 654-1284 Get Directions Write a Review

NPPES record last updated: December 1, 2023. Verified against the NPPES registry weekly; last sync: October 25, 2026.

On this page

About Dr. Robert D. Frey M.d. NPPES

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

DR. ROBERT D. FREY M.D. (NPI 1912934779) is an individual interventional pain medicine provider in Ventura, California, licensed in California (A85317) and active in the NPI registry since June 2006. He is enrolled in Medicare PECOS and is a graduate of Other (1997).

NPPES Registry Identity

NPI1912934779

Entity TypeIndividualMale

Primary Taxonomy208VP0014X

Provider Legal NameDR. ROBERT D. FREYCredential: M.D.

Location Address1752 S VICTORIA AVE, SUITE BVentura, CA 93003-6192

Mailing Address1280 S Victoria Ave Ste 204Ventura, CA 93003-6551 · (805) 644-4930 · Fax (805) 654-1284

Phone(805) 644-4930

Fax(805) 654-1284

Sole ProprietorYes

Medical School CMSOtherGraduated 1997

Enumeration DateJune 27, 2006

Last NPPES UpdateDecember 1, 2023

NPPES CertifiedDecember 1, 2023

✔ NPI 1912934779 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyPain Medicine · Interventional Pain MedicineAllopathic & Osteopathic Physicians

Taxonomy Code208VP0014X

License✔ Licensed in CA · A85317

Definition

Interventional Pain Medicine is the discipline of medicine devoted to the diagnosis and treatment of pain and related disorders principally with the application of interventional techniques in managing subacute, chronic, persistent, and intractable pain, independently or in conjunction with other modalities of treatment.

Also ListedAnesthesiology · Pain MedicineTaxonomy 207LP2900X · License A85317 (CA)

1752 S VICTORIA AVE, Ventura, CA 93003

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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 (PECOS)

Dr. Robert D. Frey M.d. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

PECOS PAC ID345250619

PECOS Enrollment IDI20060502000193, I20180522000757

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 Frey reassigns Medicare billing to 4 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Pacific Pain Management, Inc.

2.6 mi

Interventional Pain Medicine

1280 S VICTORIA AVE STE 204
Ventura, CA 93003

Reassigned Medicare billing, California enrollment

NPI 1427093137 (805) 644-4930

Toiyabe Indian Health Project, Inc

219 mi

Federally Qualified Health Center (FQHC)

250 N SEE VEE LN
Bishop, CA 93514

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

NPI 1659433191 (760) 873-8464

Telehealth Specialty Medical Group

329 mi

Emergency Medicine

3400 DOUGLAS BLVD STE 225
Roseville, CA 95661

Reassigned Medicare billing, California enrollment
Medicare enrollment name: Telemedicine Group PC
205 clinicians in this Medicare group

NPI 1326338237 (916) 740-3721

Fort Bidwell Indian Community

527 mi

Rural Health

132 MEE THEE UH ROAD
Fort Bidwell, CA 96112

Reassigned Medicare billing, Texas enrollment
6 clinicians in this Medicare group

NPI 1093931107 (530) 279-6194

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 21

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 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.

1,954 services471 patients

Chronic care management services, first 20 minutes of clinical staff time directed by health care professional, per calendar month 99490

Chronic care management services involve a healthcare professional directing clinical staff in managing your chronic conditions. This includes the first 20 minutes per month of services like medication management, care coordination, and health monitoring to help improve your health and quality of life.

941 services325 patients

Chronic care management services for two or more chronic conditions, first 30 minutes provided personally by health care professional, per calendar month 99491

Chronic care management services involve a healthcare professional personally providing care for patients with two or more chronic conditions. This service, offered monthly, focuses on the first 30 minutes of care, helping manage and coordinate the patient's health needs.

487 services284 patients

Testing for presence of drug, read by direct observation 80305

Testing for the presence of drugs involves collecting a sample, usually urine, which is then analyzed for specific substances. The process is monitored directly to ensure accuracy and integrity. This test helps to confirm if drugs are present in your system.

474 services247 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.

136 services136 patients

Injection of anesthetic and/or steroid drug into sacral spine nerve root using imaging guidance, single level 64483

This procedure involves injecting a mix of numbing and anti-inflammatory medication into a specific nerve root in the lower back. It helps manage pain and reduce inflammation. The process is guided by imaging technology for precision.

125 services99 patients

Injection of anesthetic and/or steroid drug into sacral spine nerve root using imaging guidance, each additional level 64484

This procedure involves injecting an anesthetic or steroid drug into the sacral spine nerve root. It's done under imaging guidance to ensure accuracy. The process can be repeated for each additional level of the spine to help manage pain or inflammation.

95 services79 patients

Telephone medical discussion with physician, 21-30 minutes 99443

This service involves a 21-30 minute phone conversation with a physician. It's a chance for you to discuss your health concerns, symptoms or treatment plans. It's similar to an in-person consultation, but conducted over the phone for your convenience and safety.

89 services80 patients

Injection of substance into lower spine canal using imaging guidance 62323

This procedure involves injecting a substance into your lower spine canal, guided by real-time images. It's done to diagnose or treat various conditions. You may feel slight discomfort, but it's generally safe and can provide valuable information for your treatment plan.

58 services52 patients

Injection of substance into middle or upper spine canal using imaging guidance 62321

This procedure involves injecting a substance into your middle or upper spine canal. It's performed under imaging guidance to ensure accuracy. The substance can help diagnose or treat various conditions, providing relief from symptoms.

43 services36 patients

Telephone or internet referral service, 30 minutes 99452

A telephone or internet referral service involves a 30-minute session where you can discuss your health concerns with a healthcare professional. They will listen to your symptoms, answer your questions, and guide you to the appropriate specialist or service for further assistance. This service is safe, confidential, and convenient.

33 services29 patients

Injection of lower or sacral spine facet joint using imaging guidance, single level 64493

This procedure involves injecting medication into the facet joint in your lower back or sacral spine. It's done under imaging guidance to ensure accuracy. The aim is to alleviate pain and inflammation. It's a safe, often effective method for managing spinal discomfort.

25 services25 patients

Injection of lower or sacral spine facet joint using imaging guidance, second level 64494

This procedure involves injecting medication into the facet joints of your lower or sacral spine to manage pain. Imaging guidance ensures accurate placement. It's the second level, meaning it's done on two different joint levels.

23 services23 patients

Brief communication technology-based service, e.g. virtual check-in, by a physician or other qualified health care professional who can report evaluation and management services, provided to an established patient, not originating from a related e/m servic G2252

A virtual check-in is a short, technology-based service provided by a health professional to an existing patient. It's not linked to any other service. It involves discussing your health concerns and managing them. This service is convenient and saves time, as it's done remotely.

22 services20 patients

Destruction of lower or sacral spinal facet joint nerves using imaging guidance, single facet joint 64635

This procedure involves using imaging guidance to accurately target and destroy nerves in the lower or sacral spinal facet joint. It's done to relieve chronic back pain. The process is safe and usually effective.

17 services15 patients

Destruction of lower or sacral spinal facet joint nerves using imaging guidance, each additional facet joint 64636

This procedure involves using imaging technology to locate and treat nerves in your lower spine or sacral area that may be causing pain. Each additional facet joint refers to treating more than one spinal nerve. It's a non-invasive way to manage chronic back pain.

14 services14 patients

Chronic care management services for two or more chronic conditions, additional 30 minutes provided personally by health care professional, per calendar month 99437

Chronic care management services involve regular check-ups, medication management, and health guidance for patients with two or more long-term health conditions. This specific service provides an additional 30 minutes of personal attention from a healthcare professional each month.

14 services14 patients

New patient office or other outpatient visit with a high level of medical decision making, if using time, 60 minutes or more 99205

This is a first-time patient visit where a healthcare professional spends 60-74 minutes with you. It involves a comprehensive evaluation, including your medical history and current health condition. They'll also advise on preventive health measures and formulate a treatment plan if needed.

12 services12 patients

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.

12 services12 patients

Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more 99215

This service involves a follow-up appointment for existing patients, lasting between 40 to 54 minutes. During this time, your healthcare provider will assess your current health status, discuss any changes or concerns, review your treatment plan, and answer any questions you may have.

12 services11 patients

Chronic care management services for two or more chronic conditions, additional 20 minutes of clinical staff time directed by health care professional, per calendar month 99439

Chronic Care Management services involve regular check-ins with healthcare professionals to manage two or more chronic conditions. It includes an additional 20 minutes of clinical staff time per month, directed by a healthcare professional, to ensure optimal health management.

12 services12 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 93003 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

$140.72 typical visit price

range $62.32 – $185.36

Typical copayment $35.18 (range $15.58 – $46.34)

Most-billed visit code 99204

Established Patient

$108.74 typical visit price

range $20.68 – $151.85

Typical copayment $27.18 (range $5.17 – $37.96)

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.

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.

94.98/100

MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program

Individually scored

Quality

89.96

Improvement Activities

Reported Quality Measures

Advance Care Plan

100%178 patients5/55-star benchmark: 100%

Controlling High Blood Pressure

75%88 patients4/55-star benchmark: 98%

Falls: Plan of Care

100%91 patients

Preventive Care and Screening: Tobacco Use: Screening and Cessation Intervention

Patients combinedPopulations: 100% · 208 patients

Patients screened: 100% · 208 patients

100%66 patients5/55-star benchmark: 100%

Preventive Care and Screening: Unhealthy Alcohol Use: Screening & Brief Counseling

Patients combinedPopulations: 100% · 208 patients

Patients screened: 100% · 208 patients

100%45 patients

Providers report different measures because they deliver different services; reporting more or less information is not a reflection of quality. Star ratings appear only where CMS assigned them.

Other Providers at the Same Location NPPES 10

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

MISS SARA E GUERRA PT

Physical Therapist

1752 S VICTORIA AVE, SUITE 280
VENTURA, CA 93003

Ventura County (805) 339-0171

ESTELA DIESFELD MD PROF CORP

Pain Medicine (Interventional Pain Medicine)

1752 S VICTORIA AVE, SUITE B
VENTURA, CA 93003

Ventura County (805) 644-4930

JIN IL T. LEE, D.D.S., A PROFESSIONAL CORPORATION

Dentist (General Practice)

1752 S VICTORIA AVE, SUITE 200
VENTURA, CA 93003

Ventura County (805) 644-0600

NATHAN R. WEBER, MD

Anesthesiology

1752 S VICTORIA AVE, SUITE A
VENTURA, CA 93003

Ventura County (805) 236-2734

ESTELA DIESFELD MD

Anesthesiology

1752 S VICTORIA AVE, SUITE B
VENTURA, CA 93003

Ventura County (805) 644-4930

DR. LEE MENDIOLA M.D.

Psychiatry & Neurology (Psychiatry)

1752 S VICTORIA AVE, SUITE 250
VENTURA, CA 93003

Ventura County (805) 650-3880

LEE D. MENDIOLA MD PC

Psychiatry & Neurology (Psychiatry)

1752 S VICTORIA AVE, SUITE 250
VENTURA, CA 93003

Ventura County (805) 650-3880

ERIC JANIGIAN M.D.

Anesthesiology

1752 S VICTORIA AVE, STE A
VENTURA, CA 93003

Ventura County (805) 654-8115

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 Frey's NPI number?

The NPI number for Robert Frey is 1912934779. It was assigned to this individual provider in the NPPES registry on June 27, 2006.

Where is Robert Frey located?

Robert Frey practices at 1752 S Victoria Ave Suite B, Ventura, CA 93003. The listed phone number is (805) 644-4930.

What is Robert Frey's specialty?

The primary specialty registered for this NPI is Pain Medicine, specializing in Interventional Pain Medicine, with taxonomy code 208VP0014X.

Is Robert Frey enrolled in Medicare?

Yes. Robert Frey is registered in the Medicare PECOS enrollment system.

Which organizations bill Medicare for Robert Frey's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Robert Frey reassigns Medicare benefits to 4 organizations: Pacific Pain Management, Inc. (Ventura, CA), Toiyabe Indian Health Project, Inc (Bishop, CA), Telehealth Specialty Medical Group (Roseville, CA) and Fort Bidwell Indian Community (Fort Bidwell, 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 Frey'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 Frey was last updated on December 1, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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.