Barbara Kay Davis, MD
Internal Medicine Physician · Lewiston, ID
Barbara Kay Davis, MD is an internal medicine physician with a practice address in Lewiston, Idaho, and NPI 1699746859, issued on Jan 27, 2006. Check the license (Idaho M4662, as entered in NPPES) on the Idaho Board of Medicine; the Medicare figures below come from public CMS files.
- Name
- Barbara Kay Davis
- Credential
- MD
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- M4662 ID
Self-reported in NPPES; status is on the state search - Practice location
- 415 6TH St Ste 3C, Lewiston, ID 83501
- Phone
- (208) 746-1333
- Enumerated
- Jan 27, 2006
- Record last updated
- Jul 30, 2024
- Fax
- (208) 746-8090
- Medicaid ID
- 002615400 ID
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 453 in Idaho → Look up another NPI →
Also registered at 415 6TH St Ste 3C
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Kayla MillerFamily Nurse Practitioner1972280592
- Belinda Roberts, NPFamily Nurse Practitioner1457669863
- John Rudolph, D.O.Family Medicine Physician1548503022
Verify Barbara Kay Davis in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersIdaho Board of Medicine
Search for license M4662Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
75% more Medicare Part D claims than the average internal medicine physician in 2024
5,551 Medicare Part D claims for 285 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 11% of claims. 364 claims were for opioids.
Most prescribed
- Levothyroxine Sodium329 claims
- Hydrocodone-Acetaminophen230 claims
- Atorvastatin Calcium193 claims
- Amlodipine Besylate172 claims
- Simvastatin145 claims
- Omeprazole141 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: $42.44
2 payments; by number, the most common kind was food and beverage; the largest payer was Lundbeck LLC. 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.
Barbara Kay Davis among 453 internal medicine physician records in Idaho
Barbara Kay Davis, MD is one of 453 internal medicine physician records with a practice address in Idaho. 73% 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 4% of them.
- NPI issued2006 · 4% of these records are older, 63% newer
- In a Medicare fileYes · 73% of these records are
- In the CMS Doctors and Clinicians fileNo · 56% of these records are
- Record last updated2024 · 44% 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 Idaho practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
18 internal medicine physician records list a practice address in Lewiston
They are 18 of the 764 NPPES records with a practice address in Lewiston, and 453 internal medicine physician records in Idaho.
All 453 in Idaho → Every provider in Lewiston → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Patricia Brady, MDLewiston, ID 835011922079037
- Timothy Dykstra, DOLewiston, ID 835011376592758
- Melanie Eggleston, MDLewiston, ID 835011932159258
- James Fisher, MDLewiston, ID 835011912929928
- Jane Fore, MDLewiston, ID 835011063445385
- Jeffrey Harris, M.D.Lewiston, ID 835011942232285
- Barbara KammerLewiston, ID 835011306957048
- Elzbieta Kraszewska-Ostromecka, MDLewiston, ID 835011518958412
Common questions
What is Barbara Kay Davis, MD's NPI number?
Barbara Kay Davis, MD's National Provider Identifier (NPI) is 1699746859, issued on Jan 27, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Barbara Kay Davis, MD located?
The NPPES record lists a practice address at 415 6TH St Ste 3C, Lewiston, ID, 83501. Phone: (208) 746-1333. Providers update this record themselves, so call before visiting.
How can I verify Barbara Kay Davis, MD's license?
NPPES lists Idaho license number M4662, as entered by the provider. Search the Idaho Board of Medicine at https://dopl.idaho.gov/bom/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Barbara Kay Davis, MD prescribe under Medicare Part D?
In 2024, Barbara Kay Davis, MD had 5,551 Medicare Part D claims for 285 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.