Dr Karthikeyan Viswanathan, DO - Medicare Internal Medicine in Arcata, CA

Dr Karthikeyan Viswanathan, DO is a medicare enrolled "Internal Medicine" physician in Arcata, California. He graduated from medical school in 2014 and has 10 years of diverse experience with area of expertise as Internal Medicine. He is a member of the group practice United Indian Health Services, Inc. and his current practice location is 1600 Weeot Way, Arcata, California. You can reach out to his office (for appointments etc.) via phone at (707) 825-5000.

Dr Karthikeyan Viswanathan is licensed to practice in California (license number 19044) 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 1396128336.

Contact Information

Dr Karthikeyan Viswanathan, DO
1600 Weeot Way,
Arcata, CA 95521-4734
(707) 825-5000
(707) 825-6747



Physician's Profile

Full NameDr Karthikeyan Viswanathan
GenderMale
SpecialityInternal Medicine
Experience10 Years
Location1600 Weeot Way, Arcata, 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:
  • Dr Karthikeyan Viswanathan graduated from medical school in 2014
  NPI Data:
  • NPI Number: 1396128336
  • Provider Enumeration Date: 07/08/2015
  • Last Update Date: 12/16/2022
  Medicare PECOS Information:
  • PECOS PAC ID: 6103251442
  • Enrollment ID: I20230123001402

Medical Identifiers

Medical identifiers for Dr Karthikeyan Viswanathan such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1396128336NPI-NPPES

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207R00000XInternal Medicine E-12291 (Arkansas)Secondary
390200000XStudent In An Organized Health Care Education/training Program (* (Not Available))Secondary
207R00000XInternal Medicine 19044 (California)Primary

Medical Facilities Affiliation

Facility NameLocationFacility Type
Sutter Coast HospitalCrescent city, CAHospital

Group Practice Association

Group Practice NameGroup PECOS PAC IDNo. of Members
United Indian Health Services, Inc.983008507521

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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 Karthikeyan Viswanathan allows following entities to bill medicare on his behalf.
Entity NameUnited Indian Health Services, Inc.
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1497751572
PECOS PAC ID: 9830085075
Enrollment ID: O20040225000459

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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. Dr Karthikeyan Viswanathan 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 Karthikeyan Viswanathan, DO
1600 Weeot Way,
Arcata, CA 95521-4734

Ph: (707) 825-5000
Dr Karthikeyan Viswanathan, DO
1600 Weeot Way,
Arcata, CA 95521-4734

Ph: (707) 825-5000

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MRIGlobal awarded $54 million NIH contract to provide support for drug development

MRIGlobal today announced that it has been awarded a $54 million, 10-year program from the National Institute of Neurological Disorders and Stroke to provide support for the development and manufacturing of drug candidates for ultimate use in human clinical trials.

Study compares current state of healthcare system in UK and proposed system in US

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A positron emission tomography imaging agent could show, ahead of time, whether a specific treatment is likely to be effective for major depressive disorder-a debilitating condition that affects more than 14 million Americans.

NSAIDs significantly inhibit ovulation in women with mild musculoskeletal pain

The results of a study presented today at the European League Against Rheumatism Annual Congress (EULAR 2015) show that diclofenac, naproxen and etoricoxib significantly inhibit ovulation in women with mild musculoskeletal pain. Of the women receiving NSAIDs, only 6.3 percent (diclofenac), 25 percent (naproxen) and 27.3 percent (etoricoxib) ovulated, compared with 100 percent of the control group.

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Internal Medicine Doctors in Arcata, CA

Sheldon Meshulam, MD
Internal Medicine
Medicare: Accepting Medicare Assignments
Practice Location: 3798 Janes Rd, Suite 20, Arcata, CA 95521
Phone: 707-826-8225    Fax: 707-826-8238
Dr. Melvin Selinger, MD
Internal Medicine
Medicare: Accepting Medicare Assignments
Practice Location: 3798 Janes Rd Ste 4, Arcata, CA 95521
Phone: 707-822-8395    Fax: 707-822-8637
Gary G Garcia, M.D.
Internal Medicine
Medicare: Not Enrolled in Medicare
Practice Location: 3798 Janes Rd, #20, Arcata, CA 95521
Phone: 707-822-4894    Fax: 707-822-6301
Dr. Lawrence Anthony Senffner, M.D.
Internal Medicine
Medicare: Accepting Medicare Assignments
Practice Location: 3798 Janes Rd, Suite 20, Arcata, CA 95521
Phone: 707-822-2432    Fax: 707-822-6301

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