NPPES file of Aug 9, 2026

James F. Calvert, MD

Family Medicine Physician · Klamath Falls, OR

James F. Calvert, MD is a family medicine physician with a practice address in Klamath Falls, Oregon, and NPI 1477578961, issued on Jul 13, 2006. Check the license (Oregon MD18000, as entered in NPPES) on the Oregon Medical Board; the federal record below is the public data PlainDoctor holds for this provider.

Record from CMS NPPES, file of Aug 9, 2026 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1477578961
Name
James F. Calvert
Credential
MD
Primary taxonomy
Family Medicine Physician 207Q00000X
License number
MD18000 OR
Self-reported in NPPES; status is on the state search
Practice location
2801 Daggett Ave, Klamath Falls, OR 97601
Phone
(541) 883-6221
Enumerated
Jul 13, 2006
Record last updated
Jul 9, 2007 (not updated in 19 years: call before relying on the address or phone)
Medicaid IDs
XPY177980 CA
051214 OR
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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8 nearest family medicine physician records → All 2,847 in Oregon → Look up another NPI →

Also registered at 2801 Daggett Ave

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Rowena Crow, M.D.Student in an Organized Health Care Education/Training Program1497011068
  2. Katherine Forman, MDStudent in an Organized Health Care Education/Training Program1710120498
  3. Jade Jensen, M.D.Family Medicine Physician1437404464
  4. Antonio Mazzaferro, MDObstetrics & Gynecology Physician1730768318
  5. Katherine Murphey, FNPFamily Nurse Practitioner1407987811
  6. Jp Prouty, M.D.Family Medicine Physician1548689318

Verify James F. Calvert in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersOregon Medical Board
    Search for license MD18000    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the Oregon license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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James F. Calvert among 2,847 family medicine physician records in Oregon

James F. Calvert, MD 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 not. Its NPI, issued in 2006, is newer than 9% of them.

  • NPI issued2006 · 9% of these records are older, 53% newer
  • In a Medicare fileNo · 75% of these records are
  • In the CMS Doctors and Clinicians fileNo · 59% of these records are
  • Record last updated2007 · 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. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

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

  1. Kathleen Bakke, M.D.Klamath Falls, OR 976011306891189
  2. Carl Barbee, MDKlamath Falls, OR 976011790723658
  3. Charles Bury, MDKlamath Falls, OR 976011174511810
  4. Ralph Eccles, D.OKlamath Falls, OR 976011659304459
  5. Alden Glidden, M.D.Klamath Falls, OR 976011386691897
  6. Joyce Hollander-Rodriguez, MDKlamath Falls, OR 976011649219882
  7. Robert Jackman, MDKlamath Falls, OR 976011922047612
  8. Shelley Janssen, M.D.Klamath Falls, OR 976011124089693

Common questions

What is James F. Calvert, MD's NPI number?

James F. Calvert, MD's National Provider Identifier (NPI) is 1477578961, issued on Jul 13, 2006. An NPI identifies a provider in billing; it is not a license.

Where is James F. Calvert, MD located?

The NPPES record lists a practice address at 2801 Daggett Ave, Klamath Falls, OR, 97601. Phone: (541) 883-6221. Providers update this record themselves, so call before visiting.

How can I verify James F. Calvert, MD's license?

NPPES lists Oregon license number MD18000, 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.

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.

Written with AI tools from the named public files; every figure is computed from those files (how it is made).

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.