David L. Barnes, D.O.
Internal Medicine Physician · Wasilla, AK
David L. Barnes, D.O. is an internal medicine physician with a practice address in Wasilla, Alaska, and NPI 1124081211, issued on Apr 10, 2006. Check the license (Alaska 2640, as entered in NPPES) on the Alaska State Medical Board; the Medicare figures below come from public CMS files.
- Name
- David L. Barnes
- Credential
- D.O.
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 2640 AK
Self-reported in NPPES; status is on the state search - Practice location
- 3719 E Meridian Loop Ste A, Wasilla, AK 99654
- Phone
- (907) 376-2868
- Enumerated
- Apr 10, 2006
- Record last updated
- Apr 12, 2024
- Fax
- (907) 376-2811
- Medicaid ID
- MD2640 AK
- Medicare enrollment
- Enrolled (PECOS I20031106000555); accepts Medicare assignment
- Medical or professional school
- Texas Tech University Health Science Center School Of Medicine, 1999
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 177 in Alaska → Look up another NPI →
Also registered at 3719 E Meridian Loop Ste A
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Kathryn Albert, PA-CMedical Physician Assistant1356754618
Verify David L. Barnes in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersAlaska State Medical Board
Search for license 2640Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
79% fewer Medicare Part D claims than the average internal medicine physician in 2024
678 Medicare Part D claims for 94 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D.
Most prescribed
- Atorvastatin Calcium40 claims
- Rosuvastatin Calcium31 claims
- Ezetimibe24 claims
- Farxiga23 claims
- Ozempic19 claims
- Lisinopril18 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Industry payments in 2024: $1,091.39
52 payments; by number, the most common kind was food and beverage; the largest payer was Abbvie Inc. The 50,334 providers of this specialty with any payment received $1,303.06 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through one group practice
- Select Physical Therapy Holdings IncWasilla, AK
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
David L. Barnes among 177 internal medicine physician records in Alaska
David L. Barnes, D.O. 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. Its NPI, issued in 2006, is newer than 6% of them.
- NPI issued2006 · 6% of these records are older, 51% newer
- In a Medicare fileYes · 68% of these records are
- In the CMS Doctors and Clinicians fileYes · 52% of these records are
- Graduated1999 · median 2010 among the 92 with a school on file
- Record last updated2024 · 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.
All 177 in Alaska → Every provider in Wasilla → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Lisa Cooney, MDWasilla, AK 996541578522694
- Loetta Horswill-Woods, DOWasilla, AK 996541164479374
- Carole Ruegsegger, M.D.Wasilla, AK 996541841405883
- Richard Zajac, M.D.Wasilla, AK 996541699734673
- Natalie Beyeler, D.O.Palmer, AK 996451104885268
- Martin Cook, DOPalmer, AK 996451477176543
- Srikanth Malladi, MDPalmer, AK 996451558848143
- David Rudolph, MDPalmer, AK 996451376526749
Common questions
What is David L. Barnes, D.O.'s NPI number?
David L. Barnes, D.O.'s National Provider Identifier (NPI) is 1124081211, issued on Apr 10, 2006. An NPI identifies a provider in billing; it is not a license.
Where is David L. Barnes, D.O. located?
The NPPES record lists a practice address at 3719 E Meridian Loop Ste A, Wasilla, AK, 99654. Phone: (907) 376-2868. Providers update this record themselves, so call before visiting.
How can I verify David L. Barnes, D.O.'s license?
NPPES lists Alaska license number 2640, 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.
How much does David L. Barnes, D.O. prescribe under Medicare Part D?
In 2024, David L. Barnes, D.O. had 678 Medicare Part D claims for 94 beneficiaries; the average among internal medicine physician prescribers was 3,176. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. 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.