Elwyn C Clark, DO - Medicare Critical Care (intensivists) in Chattanooga, TN

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Elwyn C Clark, DO is a medicare enrolled "Internal Medicine - Critical Care Medicine" physician in Chattanooga, Tennessee. He graduated from medical school in 2004 and has 22 years of diverse experience with area of expertise as Critical Care (intensivists). He is a member of the group practice Erlanger Health and his current practice location is 979 E 3rd St Ste C735, Chattanooga, Tennessee. You can reach out to his office (for appointments etc.) via phone at (423) 778-9101.

Elwyn C Clark is licensed to practice in New York (license number 247501-1) 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 1083875900.

Contact Information

Elwyn C Clark, DO
979 E 3rd St Ste C735,
Chattanooga, TN 37403-3310
(423) 778-9101
Not Available

Map and Direction




Physician's Profile

Full NameElwyn C Clark
GenderMale
SpecialityCritical Care (intensivists)
Experience22 Years
Location979 E 3rd St Ste C735, Chattanooga, Tennessee
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:
  • Elwyn C Clark graduated from medical school in 2004
  NPI Data:
  • NPI Number: 1083875900
  • Provider Enumeration Date: 06/23/2008
  • Last Update Date: 07/06/2026
  Medicare PECOS Information:
  • PECOS PAC ID: 3577636018
  • Enrollment ID: I20200820001184

Medical Identifiers

Medical identifiers for Elwyn C Clark such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1083875900NPI-NPPES
3966OtherTNLICENSE
81095OtherGALICENSE
247501OtherNYLICENSE

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207RC0200XInternal Medicine - Critical Care Medicine 247501-1 (New York)Primary
207P00000XEmergency Medicine 247501 (New York)Secondary

Medical Facilities Affiliation

Facility NameLocationFacility Type
Erlanger Medical CenterChattanooga, TNHospital

Group Practice Association

Group Practice NameGroup PECOS PAC IDNo. of Members
Erlanger Health1153780226502

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. Elwyn C Clark allows following entities to bill medicare on his behalf.
Entity NameChattanooga Hamilton County Hospital Authority
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1154751931
PECOS PAC ID: 0547179731
Enrollment ID: O20040302001086
Entity NameApp Of East Tennessee Hm Pllc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1518503655
PECOS PAC ID: 6002241254
Enrollment ID: O20200115002518
Entity NameErlanger Health
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1477256303
PECOS PAC ID: 1153780226
Enrollment ID: O20230707000849

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. Elwyn C Clark 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
Elwyn C Clark, DO
1629 Sawyer Spring Trl,
Signal Mountain, TN 37377-1632

Ph: (917) 685-1189		Elwyn C Clark, DO
979 E 3rd St Ste C735,
Chattanooga, TN 37403-3310

Ph: (423) 778-9101

Reviews and Comments


Internal Medicine Doctors in Chattanooga, TN

Bradley Rayford Keel, DO
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Phone: 423-888-5930    Fax: 423-634-0103
David Shved, D.O.
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Practice Location: 975 E 3rd St, Chattanooga, TN 37403
Phone: 423-778-5179    Fax: 423-778-2108
Dr. Charles Robert Bosshardt, MD
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Practice Location: 2515 Desales Ave Ste 206, Chattanooga, TN 37404
Phone: 423-698-8101    Fax: 423-698-3450
Dr. Elise Helene Marshall, DO
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Medicare: Accepting Medicare Assignments
Practice Location: 605 Glenwood Dr Ste 300, Chattanooga, TN 37404
Phone: 423-495-2690    Fax: 423-495-2698
Dr. Joshua Warner Hornsby, M.D.
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Medicare: Accepting Medicare Assignments
Practice Location: 979 E 3rd St Ste A-440, Chattanooga, TN 37403
Phone: 423-778-2867    Fax: 423-778-2866
Mira Rohit Patel, DO
Critical Care Medicine
Medicare: Accepting Medicare Assignments
Practice Location: 605 Glenwood Dr Ste 200, Chattanooga, TN 37404
Phone: 423-698-1844    Fax: 423-624-2226
Dr. John W Laramore, MD
Critical Care Medicine
Medicare: Accepting Medicare Assignments
Practice Location: 605 Glenwood Dr, Suite 404, Chattanooga, TN 37404
Phone: 423-629-7220    Fax: 423-629-4091

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.