Karl R. Hansen, MD
Internal Medicine Physician · Anchorage, AK
Karl R. Hansen, MD is an internal medicine physician with a practice address in Anchorage, Alaska, and NPI 1427099639, issued on Jun 9, 2006. Check the license (Alaska 4109, as entered in NPPES) on the Alaska State Medical Board; the federal record below is the public data PlainDoctor holds for this provider.
- Name
- Karl R. Hansen
- Credential
- MD
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 4109 AK
Self-reported in NPPES; status is on the state search - Practice location
- 4315 Diplomacy Dr, Anchorage, AK 99508
- Phone
- (907) 729-1500
- Enumerated
- Jun 9, 2006
- Record last updated
- Oct 15, 2008 (not updated in 18 years: call before relying on the address or phone)
- Fax
- (907) 729-2082
- Medicaid ID
- MD6640 AK
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 177 in Alaska → Look up another NPI →
Also registered at 4315 Diplomacy Dr
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Mary Anderson, M.D.Pediatrics Physician1912385840
- Staci AndrewsCase Manager/Care Coordinator1568021905
- Kelly Arkell, FNPFamily Nurse Practitioner1710498845
Verify Karl R. Hansen in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersAlaska State Medical Board
Search for license 4109Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Karl R. Hansen among 177 internal medicine physician records in Alaska
Karl R. Hansen, MD is one of 177 internal medicine physician records with a practice address in Alaska. 68% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does not. Its NPI, issued in 2006, is newer than 6% of them.
- NPI issued2006 · 6% of these records are older, 51% newer
- In a Medicare fileNo · 68% of these records are
- In the CMS Doctors and Clinicians fileNo · 52% of these records are
- Record last updated2008 · 58% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a Alaska practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Internal Medicine Physician providers in Alaska
There are 177 internal medicine physician records in Alaska. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.
All 177 in Alaska → Every provider in Anchorage → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- David Barrett, MDAnchorage, AK 995081053350249
- Mary Demers, DOAnchorage, AK 995081649236084
- David Dexter, MDAnchorage, AK 995081811938434
- Sheryl Gale, MDAnchorage, AK 995081649225830
- Song-Qing Gan, M.D.Anchorage, AK 995081619933512
- Susan Heverling, M.D.Anchorage, AK 995081750358701
- Cynthia Joe, MDAnchorage, AK 995081174593750
- John Krehlik, M.D.Anchorage, AK 995081255368866
Common questions
What is Karl R. Hansen, MD's NPI number?
Karl R. Hansen, MD's National Provider Identifier (NPI) is 1427099639, issued on Jun 9, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Karl R. Hansen, MD located?
The NPPES record lists a practice address at 4315 Diplomacy Dr, Anchorage, AK, 99508. Phone: (907) 729-1500. Providers update this record themselves, so call before visiting.
How can I verify Karl R. Hansen, MD's license?
NPPES lists Alaska license number 4109, as entered by the provider. Search the Alaska State Medical Board at https://www.commerce.alaska.gov/web/cbpl/ProfessionalLicensing/StateMedicalBoard.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.