JAMES DANA LEO M.D.
NPI 1730212010
Internal Medicine in Prescott, AZ

Active since March 14, 2007Opted out of Medicare · through Feb 3, 2028
810 AINSWORTH DR, PRESCOTT, AZ 86301(928) 463-6831(866) 342-0292 Get Directions Write a Review

NPPES record last updated: February 21, 2026. Verified against the NPPES registry weekly; last sync: July 26, 2026.

Record update history: Jan 6, 2026, Aug 19, 2022, Aug 8, 2019 (3 updates tracked since 2019).

About James Dana Leo M.d. NPPES

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

JAMES DANA LEO M.D. (NPI 1730212010) is an individual internal medicine provider in Prescott, Arizona, licensed in Arizona (61337) and active in the NPI registry since March 2007. He has opted out of Medicare through February 3, 2028 and remains eligible to order and refer.

NPPES Registry Identity

NPI1730212010
Entity TypeIndividualMale
Primary Taxonomy207R00000X
Provider Legal NameJAMES DANA LEOCredential: M.D.
Location Address810 AINSWORTH DRPrescott, AZ 86301-1612
Mailing AddressPo Box 11689Prescott, AZ 86304-1689 · (928) 463-6831 · Fax (866) 342-0292
Fax(866) 342-0292
Sole ProprietorNo
Enumeration DateMarch 14, 2007
Last NPPES UpdateFebruary 21, 20263 updates tracked since enumeration
NPPES CertifiedFebruary 21, 2026
NPI 1730212010 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
Licenses Licensed in AZ · 61337 Licensed in CA · G49243
Definition
A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.
Also ListedInternal Medicine · Critical Care MedicineTaxonomy 207RC0200X · License G49243 (CA)
810 AINSWORTH DR, Prescott, AZ 86301

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

Opted out of Medicare

James Dana Leo M.d. has filed a Medicare opt-out affidavit. Services are provided under private contract between the provider and the patient, and are not billed to or reimbursed by Medicare. The opt-out is on file from February 3, 2016 through February 3, 2028.

Opt-Out Effective DateFebruary 3, 2016
Opt-Out In Effect ThroughFebruary 3, 2028Opt-out affidavits renew automatically every two years unless cancelled
Eligible to Order & Refer Part B Labs & Imaging Durable Medical Equipment Home Health Agency Power Mobility DevicesAn opted-out provider can still order and refer for Medicare patients in the categories marked above, even though their own services are not covered.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 86301 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
$127.71 typical visit price
range $55.44 – $168.60
Typical copayment $31.92 (range $13.86 – $42.15)
Most-billed visit code 99204
Established Patient
$98.00 typical visit price
range $17.72 – $137.41
Typical copayment $24.50 (range $4.43 – $34.35)
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.

Referred Medical Equipment & Supplies CMS DME claims 2

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

Oxygen concentrator, single delivery port, capable of delivering 85 percent or greater oxygen concentration at the prescribed flow rate E1390
DME-Oxygen and Supplies · category DC002N
2 suppliers14 claims14 services$61.58 avg. paid by Medicare
Portable oxygen concentrator, rental E1392
DME-Oxygen and Supplies · category DC002N
1 supplier11 claims11 services$26.43 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 6

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

Surgery
810 AINSWORTH DR
PRESCOTT, AZ 86301
Surgery
810 AINSWORTH DR, SUITE A
PRESCOTT, AZ 86301
Surgery
810 AINSWORTH DR, SUITE A
PRESCOTT, AZ 86301
Plastic Surgery
810 AINSWORTH DR
PRESCOTT, AZ 86301
Dermatology
810 AINSWORTH DR
PRESCOTT, AZ 86301
Internal Medicine
810 AINSWORTH DR
PRESCOTT, AZ 86301

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 James Leo's NPI number?

The NPI number for James Leo is 1730212010. It was assigned to this individual provider in the NPPES registry on March 14, 2007.

Where is James Leo located?

James Leo practices at 810 Ainsworth Dr, Prescott, AZ 86301. The listed phone number is (928) 463-6831.

What is James Leo's specialty?

The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.

Is James Leo enrolled in Medicare?

No. James Leo has opted out of Medicare through February 3, 2028. Care is provided under private contracts, and Medicare does not pay for services furnished by providers who have opted out. The provider remains eligible to order and refer services for Medicare patients.

When was this NPI record last updated?

The NPPES record for James Leo was last updated on February 21, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 months 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.