John David Ferrin, D.M.D. , MS
Periodontics · Medford, OR
John David Ferrin, D.M.D. , MS is a periodontics with a practice address in Medford, Oregon, and NPI 1194093146, issued on Dec 6, 2011. Check the license (Oregon 10048, as entered in NPPES) with the Oregon board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- John David Ferrin
- Credential
- D.M.D. , MS
- Primary taxonomy
- Periodontics 1223P0300X
- License number
- 10048 OR
Self-reported in NPPES; status is on the state search - Practice location
- 2930 E Barnett RD, Medford, OR 97504
- Phone
- (541) 944-5745
- Enumerated
- Dec 6, 2011
- Record last updated
- Jun 30, 2014 (not updated in 12 years: call before relying on the address or phone)
- Entity
- Type 1 · individual
8 nearest periodontics records → All 78 in Oregon → Look up another NPI →
Also registered at 2930 E Barnett RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Emory Hamilton, DMDPeriodontics1497748057
- Michael Martin, DDS,MSPeriodontics1982811758
- Tetsuji Watari, DDSPeriodontics1639347958
Verify John David Ferrin in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Oregon board licenses this profession
Search for license 10048Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
4% fewer Medicare Part D claims than the average periodontics in 2024
265 Medicare Part D claims for 168 beneficiaries, against an average of 277 among the 4,191 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of claims. 26 claims were for opioids.
Most prescribed
- Amoxicillin146 claims
- Azithromycin43 claims
- Acetaminophen-Codeine14 claims
- Hydrocodone-Acetaminophen11 claims
- Sodium Fluoride Sensitive11 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.
John David Ferrin among 78 periodontics records in Oregon
John David Ferrin, D.M.D. , MS is one of 78 periodontics records with a practice address in Oregon. 55% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2011, is newer than 76% of them.
- NPI issued2011 · 76% of these records are older, 17% newer
- In a Medicare fileYes · 55% of these records are
- In the CMS Doctors and Clinicians fileNo · 1% of these records are
- Record last updated2014 · 73% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 1223P0300X and a Oregon practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Periodontics providers in Oregon
There are 78 periodontics records in Oregon.
All 78 in Oregon → Every provider in Medford → Periodontics nationwide →
The 8 periodontics records with the nearest ZIP codes
- Chun-Han Chou, DDS, MSMedford, OR 975041871775403
- Emory Hamilton, DMDMedford, OR 975041497748057
- Michael Martin, DDS,MSMedford, OR 975041982811758
- Karen Richards, DMD - PERIODONTISTMedford, OR 975041669610440
- Tetsuji Watari, DDSMedford, OR 975041639347958
- Shashank Joshi, BDS, MSRoseburg, OR 974711427504828
- David Soder, DDSRoseburg, OR 974701194827840
- Jenny Lee, DDS, MSKlamath Falls, OR 976011407821994
Common questions
What is John David Ferrin, D.M.D. , MS's NPI number?
John David Ferrin, D.M.D. , MS's National Provider Identifier (NPI) is 1194093146, issued on Dec 6, 2011. An NPI identifies a provider in billing; it is not a license.
Where is John David Ferrin, D.M.D. , MS located?
The NPPES record lists a practice address at 2930 E Barnett RD, Medford, OR, 97504. Phone: (541) 944-5745. Providers update this record themselves, so call before visiting.
How can I verify John David Ferrin, D.M.D. , MS's license?
NPPES lists Oregon license number 10048, as entered by the provider. Search the Oregon board that licenses this profession; the NPPES record confirms identity only.
How much does John David Ferrin, D.M.D. , MS prescribe under Medicare Part D?
In 2024, John David Ferrin, D.M.D. , MS had 265 Medicare Part D claims for 168 beneficiaries; the average among periodontics prescribers was 277. 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.