Ryan Michael Johnston, DO - Medicare Internal Medicine in Escondido, CA

Ryan Michael Johnston, DO is a medicare enrolled "Hospitalist" physician in Escondido, California. He went to Arizona College Of Osteopathic Medicine Mid Western University and graduated in 2009 and has 15 years of diverse experience with area of expertise as Internal Medicine. He is a member of the group practice Vituity - Arizona Hospitalists Pc, Vituity - Michigan Hospitalists Pc and his current practice location is 460 N Elm St, Escondido, California. You can reach out to his office (for appointments etc.) via phone at (760) 520-8100.

Ryan Michael Johnston is licensed to practice in California (license number 20A12236) and he also participates in the medicare program. He accepts medicare assignments (which means he accepts the Medicare-approved amount; you will not be billed for any more than the Medicare deductible and coinsurance) and his NPI Number is 1780815522.

Contact Information

Ryan Michael Johnston, DO
460 N Elm St,
Escondido, CA 92025-3002
(760) 520-8100
Not Available

Map and Direction




Physician's Profile

Full NameRyan Michael Johnston
GenderMale
SpecialityInternal Medicine
Experience15 Years
Location460 N Elm St, Escondido, California
Accepts Medicare AssignmentsYes. He accepts the Medicare-approved amount; you will not be billed for any more than the Medicare deductible and coinsurance.
  Medical Education and Training:
  • Ryan Michael Johnston attended and graduated from Arizona College Of Osteopathic Medicine Mid Western University in 2009
  NPI Data:
  • NPI Number: 1780815522
  • Provider Enumeration Date: 07/28/2009
  • Last Update Date: 05/26/2022
  Medicare PECOS Information:
  • PECOS PAC ID: 7113176827
  • Enrollment ID: I20201112002842

Medical Identifiers

Medical identifiers for Ryan Michael Johnston such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1780815522NPI-NPPES
W14158OtherCASITE PTAN

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207R00000XInternal Medicine 008808 (Arizona)Secondary
207R00000XInternal Medicine 5101018515 (Michigan)Secondary
207R00000XInternal Medicine 20A12236 (California)Secondary
208M00000XHospitalist 008808 (Arizona)Secondary
208M00000XHospitalist 20A12236 (California)Primary

Medical Facilities Affiliation

Facility NameLocationFacility Type
Honorhealth Deer Valley Medical CenterPhoenix, AZHospital
Edward W Sparrow HospitalLansing, MIHospital

Group Practice Association

Group Practice NameGroup PECOS PAC IDNo. of Members
Vituity - Arizona Hospitalists Pc539516374560
Vituity - Michigan Hospitalists Pc236586099665

Medicare Reassignments

Some practitioners may not bill the customers directly but medicare billing happens through clinics / group practice / hospitals where the provider works. Medicare reassignment of benefits is a mechanism by which practitioners allow third parties to bill and receive payment for medicare services performed by them. Ryan Michael Johnston allows following entities to bill medicare on his behalf.
Entity NameVituity - Arizona Hospitalists Pc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1770109704
PECOS PAC ID: 5395163745
Enrollment ID: O20200916002069

Medicare Part D Prescriber Enrollment

Any physician or other eligible professional who prescribes Part D drugs must either enroll in the Medicare program or opt out in order to prescribe drugs to their patients with Part D prescription drug benefit plans. Ryan Michael Johnston is enrolled with medicare and thus, if eligible, can prescribe medicare part D drugs to patients with medicare part D benefits.

Mailing Address and Practice Location

Mailing AddressPractice Location Address
Ryan Michael Johnston, DO
425 N Date St,
Escondido, CA 92025-3413

Ph: (760) 737-6960
Ryan Michael Johnston, DO
460 N Elm St,
Escondido, CA 92025-3002

Ph: (760) 520-8100

Reviews and Comments


Hospitalist Doctors in Escondido, CA

Patrick C. Freyne, MD
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Phone: 442-281-5000    

Medicare Program: Medicare is a federal government program which provides health insurance to people who are 65 or older. This program also covers certain younger people with disabilities (who receive Social Security Disability Insurance - SSDI), and people with End-Stage Renal Disease (permanent kidney failure requiring dialysis or a transplant, sometimes called ESRD.

Medicare Assignment: Assignment means that your doctor, provider, or supplier agrees (or is required by law) to accept the Medicare-approved amount as full payment for covered services. Most doctors, providers, and suppliers accept assignment, but you should always check to make sure. Participating providers have signed an agreement to accept assignment for all Medicare-covered services.

NPI Number: The National Provider Identifier (NPI) is a unique identification number for covered health care providers. The NPI must be used in lieu of legacy provider identifiers in the HIPAA standards transactions. Covered health care providers and all health plans and health care clearinghouses must use the NPIs in the administrative and financial transactions adopted under HIPAA (Health Insurance Portability and Accountability Act).

Our Data: Information on www.medicarelist.com is built using data sources published by Centers for Medicare & Medicaid Services (CMS) under Freedom of Information Act (FOIA). The information disclosed on the NPI Registry are FOIA-disclosable and are required to be disclosed under the FOIA and the eFOIA amendments to the FOIA. There is no way to 'opt out' or 'suppress' the NPPES record data for health care providers with active NPIs.