Jan Hallock, D.O.
Family Medicine Physician · Klamath Falls, OR
Jan Hallock, D.O. is a family medicine physician with a practice address in Klamath Falls, Oregon, and NPI 1902283187, issued on Apr 27, 2015. Check the license (Oregon DO192214, as entered in NPPES) on the Oregon Medical Board; the Medicare figures below come from public CMS files.
- Name
- Jan Hallock
- Credential
- D.O.
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- DO192214 OR
Self-reported in NPPES; status is on the state search - Practice location
- 2074 S 6TH St, Klamath Falls, OR 97601
- Phone
- (541) 851-8110
- Enumerated
- Apr 27, 2015
- Record last updated
- Jan 9, 2023
- Medicare enrollment
- Enrolled (PECOS I20190819003777); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 2,847 in Oregon → Look up another NPI →
Also registered at 2074 S 6TH St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Brittney AgardCase Manager/Care Coordinator1841004736
- Scott Alexander, FNPFamily Nurse Practitioner1831439454
- Maria Alonso, RNCase Management Registered Nurse1578835856
- Roy Babb, PHARM.D.Pharmacist1912549544
- Brian Blackman, DNPFamily Nurse Practitioner1356173850
- Leonard Brennan, LPC, LCASProfessional Counselor1518323369
Verify Jan Hallock in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersOregon Medical Board
Search for license DO192214Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
50% fewer Medicare Part D claims than the average family medicine physician in 2024
1,777 Medicare Part D claims for 184 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. Brand-name drugs were 17% of claims. 56 claims were for opioids.
Most prescribed
- Atorvastatin Calcium121 claims
- Metformin Hcl85 claims
- Levothyroxine Sodium55 claims
- Omeprazole55 claims
- Celecoxib48 claims
- Gabapentin48 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.
Bills Medicare through one group practice
- Sky Lakes Medical Center IncKlamath Falls, OR
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Jan Hallock among 2,847 family medicine physician records in Oregon
Jan Hallock, D.O. is one of 2,847 family medicine physician records with a practice address in Oregon. 75% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2015, is newer than 76% of them.
- NPI issued2015 · 76% of these records are older, 21% newer
- In a Medicare fileYes · 75% of these records are
- In the CMS Doctors and Clinicians fileYes · 59% of these records are
- Graduated2015 · median 2009 among the 1,671 with a school on file
- Record last updated2023 · 57% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207Q00000X and a Oregon practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
69 family medicine physician records list a practice address in Klamath Falls
They are 69 of the 1,946 NPPES records with a practice address in Klamath Falls, and 2,847 family medicine physician records in Oregon.
All 2,847 in Oregon → Every provider in Klamath Falls → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
- Kathleen Bakke, M.D.Klamath Falls, OR 976011306891189
- Carl Barbee, MDKlamath Falls, OR 976011790723658
- Charles Bury, MDKlamath Falls, OR 976011174511810
- James Calvert, MDKlamath Falls, OR 976011477578961
- Ralph Eccles, D.OKlamath Falls, OR 976011659304459
- Alden Glidden, M.D.Klamath Falls, OR 976011386691897
- Joyce Hollander-Rodriguez, MDKlamath Falls, OR 976011649219882
- Robert Jackman, MDKlamath Falls, OR 976011922047612
Common questions
What is Jan Hallock, D.O.'s NPI number?
Jan Hallock, D.O.'s National Provider Identifier (NPI) is 1902283187, issued on Apr 27, 2015. An NPI identifies a provider in billing; it is not a license.
Where is Jan Hallock, D.O. located?
The NPPES record lists a practice address at 2074 S 6TH St, Klamath Falls, OR, 97601. Phone: (541) 851-8110. Providers update this record themselves, so call before visiting.
How can I verify Jan Hallock, D.O.'s license?
NPPES lists Oregon license number DO192214, as entered by the provider. Search the Oregon Medical Board at https://www.oregon.gov/OMB/Pages/default.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Jan Hallock, D.O. prescribe under Medicare Part D?
In 2024, Jan Hallock, D.O. had 1,777 Medicare Part D claims for 184 beneficiaries; the average among family medicine physician prescribers was 3,544. 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.