John Ashton Armstrong, DO - Medicare Internal Medicine in Rolla, MO

John Ashton Armstrong, DO is a medicare enrolled "Internal Medicine" physician in Rolla, Missouri. His current practice location is 1050 W 10th St, Rolla, Missouri. You can reach out to his office (for appointments etc.) via phone at (573) 364-9000.

John Ashton Armstrong is licensed to practice in Missouri (license number 2023028809) and he also participates in the medicare program. He does not accept medicare assignments directly but he may accept medicare through third-party (refer to Reassignment section below) and may also prescribe medicare part D drugs. His NPI Number is 1427679232.

Contact Information

John Ashton Armstrong, DO
1050 W 10th St,
Rolla, MO 65401-2905
(573) 364-9000
Not Available



Physician's Profile

Full NameJohn Ashton Armstrong
GenderMale
SpecialityInternal Medicine
Location1050 W 10th St, Rolla, Missouri
Accepts Medicare AssignmentsMedicare enrolled and may accept medicare through third-party reassignment. May prescribe medicare part D drugs.
  NPI Data:
  • NPI Number: 1427679232
  • Provider Enumeration Date: 05/03/2020
  • Last Update Date: 02/27/2024
  Medicare PECOS Information:
  • PECOS PAC ID: 5294197943
  • Enrollment ID: I20230814001105

Medical Identifiers

Medical identifiers for John Ashton Armstrong such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1427679232NPI-NPPES

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207R00000XInternal Medicine 2023028809 (Missouri)Primary
390200000XStudent In An Organized Health Care Education/training Program (* (Not Available))Secondary

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. John Ashton Armstrong allows following entities to bill medicare on his behalf.
Entity NamePhelps County Regional Medical Center
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1891766051
PECOS PAC ID: 2860391158
Enrollment ID: O20040106000405

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Entity NamePcrmc Medical Group, Inc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1124237227
PECOS PAC ID: 1557454063
Enrollment ID: O20070829000437

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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. John Ashton Armstrong 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
John Ashton Armstrong, DO
1050 W 10th St,
Rolla, MO 65401-2905

Ph: (573) 364-9000
John Ashton Armstrong, DO
1050 W 10th St,
Rolla, MO 65401-2905

Ph: (573) 364-9000

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Internal Medicine Doctors in Rolla, MO

Dr. Donald L James, DO
Internal Medicine
Medicare: Medicare Enrolled
Practice Location: 1050 W 10th St, Rolla, MO 65401
Phone: 573-364-7545    Fax: 573-368-3672
Bohdan A Lebedowicz, MD
Internal Medicine
Medicare: Accepting Medicare Assignments
Practice Location: 1050 W 10th St, Rolla, MO 65401
Phone: 573-364-9000    Fax: 573-202-2440
Dr. James J Spadaro Jr., M.D.
Internal Medicine
Medicare: Medicare Enrolled
Practice Location: 1050 W 10th St, Rolla, MO 65401
Phone: 573-308-1301    Fax: 573-202-2480
Dr. Hadi Bhurgri, MD
Internal Medicine
Medicare: Accepting Medicare Assignments
Practice Location: 1050 W 10th St, Rolla, MO 65401
Phone: 573-458-3580    Fax: 573-202-2408
John Robertson Carr, MD
Internal Medicine
Medicare: Accepting Medicare Assignments
Practice Location: 1000 W 10th St, Rolla, MO 65401
Phone: 573-458-8899    
Dr. Dmitry Familtsev, M.D., PH.D.
Internal Medicine
Medicare: Accepting Medicare Assignments
Practice Location: 1050 W 10th St, Rolla, MO 65401
Phone: 573-308-1301    Fax: 573-202-2480
Dr. Thomas F Martin, MD
Internal Medicine
Medicare: Medicare Enrolled
Practice Location: 1050 W 10th St, Ste 500, Rolla, MO 65401
Phone: 573-308-1301    Fax: 573-308-1305

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