Dr Jonathan Spencer Mellen, MD - Medicare Gastroenterology in Phoenix, AZ

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Dr Jonathan Spencer Mellen, MD is a medicare enrolled "Internal Medicine - Gastroenterology" physician in Phoenix, Arizona. He graduated from medical school in 2004 and has 20 years of diverse experience with area of expertise as Gastroenterology. He is a member of the group practice Yuma Regional Medical Center, Arizona Centers For Digestive Health Llc, Mat-su Valley Iii Llc and his current practice location is 9305 W Thomas Rd, Ste 478, Phoenix, Arizona. You can reach out to his office (for appointments etc.) via phone at (623) 236-8507.

Dr Jonathan Spencer Mellen is licensed to practice in Arizona (license number 44619) 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 1609919471.

Contact Information

Dr Jonathan Spencer Mellen, MD
9305 W Thomas Rd, Ste 478,
Phoenix, AZ 85037-3375
(623) 236-8507
(623) 236-8508

Map and Direction




Physician's Profile

Full NameDr Jonathan Spencer Mellen
GenderMale
SpecialityGastroenterology
Experience20 Years
Location9305 W Thomas Rd, Phoenix, Arizona
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:
  • Dr Jonathan Spencer Mellen graduated from medical school in 2004
  NPI Data:
  • NPI Number: 1609919471
  • Provider Enumeration Date: 02/14/2007
  • Last Update Date: 11/30/2023
  Medicare PECOS Information:
  • PECOS PAC ID: 3375715014
  • Enrollment ID: I20110930000518

Medical Identifiers

Medical identifiers for Dr Jonathan Spencer Mellen such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1609919471NPI-NPPES

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207RG0100XInternal Medicine - Gastroenterology 210986 (Alaska)Secondary
207RG0100XInternal Medicine - Gastroenterology 44619 (Arizona)Primary

Medical Facilities Affiliation

Facility NameLocationFacility Type
Yuma Regional Medical CenterYuma, AZHospital
Banner Estrella Medical CenterPhoenix, AZHospital
Mat-su Regional Medical CenterPalmer, AKHospital

Group Practice Association

Group Practice NameGroup PECOS PAC IDNo. of Members
Yuma Regional Medical Center2062314826288
Arizona Centers For Digestive Health Llc519308308722
Mat-su Valley Iii Llc549694150230

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. Dr Jonathan Spencer Mellen allows following entities to bill medicare on his behalf.
Entity NameYuma Regional Medical Center
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1194706655
PECOS PAC ID: 2062314826
Enrollment ID: O20040122000526
Entity NameHonorhealth Ambulatory
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1407050917
PECOS PAC ID: 5991603110
Enrollment ID: O20071005000449
Entity NameNorthern Arizona Healthcare Corporation
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1669914552
PECOS PAC ID: 3577473362
Enrollment ID: O20170801003409
Entity NameArizona Centers For Digestive Health Llc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1568975316
PECOS PAC ID: 5193083087
Enrollment ID: O20171226000651

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. Dr Jonathan Spencer Mellen 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
Dr Jonathan Spencer Mellen, MD
9305 W Thomas Rd, Ste 478,
Phoenix, AZ 85037-3375

Ph: (623) 236-8507		Dr Jonathan Spencer Mellen, MD
9305 W Thomas Rd, Ste 478,
Phoenix, AZ 85037-3375

Ph: (623) 236-8507

Reviews and Comments


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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.