DR. GREGORY SCOTT CANFIELD M.D., PH.D.
NPI 1144632159
Internal Medicine - Infectious Disease in San Luis Obispo, CA

Q: What is Gregory Canfield's NPI number?

The NPI number for Gregory Canfield is 1144632159. It was assigned to this individual provider in the NPPES registry on May 25, 2014.

Q: What is Gregory Canfield's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Infectious Disease, with taxonomy code 207RI0200X.

Q: When was this NPI record last updated?

The NPPES record for Gregory Canfield was last updated on October 16, 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 May 25, 2014PECOS EnrolledAccepts Medicare Assignment

1428 PHILLIPS LN STE 203, SAN LUIS OBISPO, CA 93401(805) 543-4407(805) 543-4587 Get Directions Write a Review

NPPES record last updated: October 16, 2023. Verified against the NPPES registry weekly; last sync: August 02, 2026.

Record update history: Oct 16, 2023, May 12, 2023, Aug 16, 2022 and 1 more (4 updates tracked since 2018).

On this page

About Dr. Gregory Scott Canfield M.d., Ph.d. NPPES

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

DR. GREGORY SCOTT CANFIELD M.D., PH.D. (NPI 1144632159) is an individual infectious disease provider in San Luis Obispo, California, licensed in California (A143074) and active in the NPI registry since May 2014. He is enrolled in Medicare PECOS and is a graduate of Other (2014).

NPPES Registry Identity

NPI1144632159

Entity TypeIndividualMale

Primary Taxonomy207RI0200X

Provider Legal NameDR. GREGORY SCOTT CANFIELDCredential: M.D., PH.D.

Location Address1428 PHILLIPS LN STE 203San Luis Obispo, CA 93401-2551

Mailing AddressPo Box 1206Goleta, CA 93116-1206 · (805) 964-3838 · Fax (805) 683-3400

Phone(805) 543-4407

Fax(805) 543-4587

Sole ProprietorNo

Medical School CMSOtherGraduated 2014

Enumeration DateMay 25, 2014

Last NPPES UpdateOctober 16, 20234 updates tracked since enumeration

NPPES CertifiedOctober 16, 2023

✔ NPI 1144632159 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 3

★ Primary SpecialtyInternal Medicine · Infectious DiseaseAllopathic & Osteopathic Physicians

Taxonomy Code207RI0200X

License✔ Licensed in CA · A143074

Definition

An internist who deals with infectious diseases of all types and in all organ systems. Conditions requiring selective use of antibiotics call for this special skill. This physician often diagnoses and treats AIDS patients and patients with fevers which have not been explained. Infectious disease specialists may also have expertise in preventive medicine and travel medicine.

Also ListedInternal MedicineTaxonomy 207R00000X · License A143074 (CA)

Also ListedInternal Medicine · Critical Care MedicineTaxonomy 207RC0200X · License A143074 (CA)

1428 PHILLIPS LN STE 203, San Luis Obispo, CA 93401

Open in Google Maps ↗

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. Gregory Scott Canfield M.d., Ph.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 ID8426345869

PECOS Enrollment IDI20160928001288

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.

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.

276 services142 patients

Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 99233

Follow-up hospital inpatient care per day typically involves a 35-minute check-up by your healthcare provider. This service includes monitoring your health progress, adjusting your treatment plan if needed, and answering any questions you may have about your condition or care.

70 services64 patients

Critical care, each additional 30 minutes 99292

Critical care refers to special attention given to patients facing life-threatening conditions. Each additional 30 minutes indicates the extension of this specialized care. This might include close monitoring, medication adjustments, and immediate interventions as needed.

48 services28 patients

Ultrasonic guidance for blood vessel access 76937

Ultrasonic guidance for blood vessel access is a medical procedure where sound waves are used to create images of your blood vessels. This helps doctors to accurately locate and access the vessels for treatments or tests, ensuring safety and precision.

37 services30 patients

Insertion of non-tunneled central venous tube for infusion (5 years or older) 36556

This procedure involves placing a thin tube into a large vein, usually in the neck or chest, to administer medication or fluids. It's done under local anesthesia to minimize discomfort. It's a standard, safe procedure for individuals aged 5 and above.

17 services17 patients

Insertion of artery tube for blood sampling or infusion through skin 36620

This procedure involves placing a small tube into an artery, usually in the wrist or elbow, to collect blood samples or administer medication. It's done under local anesthesia and is a common, safe practice.

16 services16 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 93401 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

$135.73 typical visit price

range $59.84 – $178.89

Typical copayment $33.93 (range $14.96 – $44.72)

Most-billed visit code 99204

Established Patient

$104.82 typical visit price

range $19.70 – $146.55

Typical copayment $26.20 (range $4.92 – $36.63)

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.

Leave this field empty

Other Providers at the Same Location NPPES 5

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

JUSTIN N GRAMMY DO

Hospitalist