Rex Emerson Wortham, M.D.
Family Medicine Physician · Preston, ID
Rex Emerson Wortham, M.D. is a family medicine physician with a practice address in Preston, Idaho, and NPI 1679580492, issued on Aug 2, 2006. Check the license (Idaho M-7249, as entered in NPPES) on the Idaho Board of Medicine; the Medicare figures below come from public CMS files.
- Name
- Rex Emerson Wortham
- Credential
- M.D.
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- M-7249 ID
Self-reported in NPPES; status is on the state search - Practice location
- 8 S 1St W, Preston, ID 83263
- Phone
- (208) 852-0852
- Enumerated
- Aug 2, 2006
- Record last updated
- Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
- Fax
- (208) 852-0568
- Medicare enrollment
- Enrolled (PECOS I20070104000514); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 1,316 in Idaho → Look up another NPI →
Verify Rex Emerson Wortham in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersIdaho Board of Medicine
Search for license M-7249Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
83% fewer Medicare Part D claims than the average family medicine physician in 2024
589 Medicare Part D claims for 115 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. 51 claims were for opioids.
Most prescribed
- Atorvastatin Calcium26 claims
- Amlodipine Besylate23 claims
- Gabapentin22 claims
- Hydrocodone-Acetaminophen22 claims
- Levothyroxine Sodium21 claims
- Lisinopril21 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.
The practice group's MIPS final score for 2023 (Medicare payment program): 78.9 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Bills Medicare through one group practice
- Sublette County Hospital DistrictPinedale, WY
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Rex Emerson Wortham among 1,316 family medicine physician records in Idaho
Rex Emerson Wortham, M.D. is one of 1,316 family medicine physician records with a practice address in Idaho. 78% 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 9% of them.
- NPI issued2006 · 9% of these records are older, 57% newer
- In a Medicare fileYes · 78% of these records are
- In the CMS Doctors and Clinicians fileYes · 60% of these records are
- Graduated1986 · median 2009 among the 793 with a school on file
- Record last updated2007 · 49% 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 Idaho practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
6 family medicine physician records list a practice address in Preston
They are 6 of the 66 NPPES records with a practice address in Preston, and 1,316 family medicine physician records in Idaho.
All 1,316 in Idaho → Every provider in Preston → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
- David Beckstead, MDPreston, ID 832631801909122
- Gordon Bontrager, MDPreston, ID 832631780919829
- Raven Ebanez, APRN-CNPPreston, ID 832631265290837
- Stuart Knapp, MDPreston, ID 832631780979914
- Daniel Patten, MDPreston, ID 832631245490390
- Larry Bomsta, MDMontpelier, ID 832541114086048
- Peter Crane, M.D.Montpelier, ID 832541891960233
- Lance Hansen, MDMontpelier, ID 832541861620262
Common questions
What is Rex Emerson Wortham, M.D.'s NPI number?
Rex Emerson Wortham, M.D.'s National Provider Identifier (NPI) is 1679580492, issued on Aug 2, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Rex Emerson Wortham, M.D. located?
The NPPES record lists a practice address at 8 S 1St W, Preston, ID, 83263. Phone: (208) 852-0852. Providers update this record themselves, so call before visiting.
How can I verify Rex Emerson Wortham, M.D.'s license?
NPPES lists Idaho license number M-7249, 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 Rex Emerson Wortham, M.D. prescribe under Medicare Part D?
In 2024, Rex Emerson Wortham, M.D. had 589 Medicare Part D claims for 115 beneficiaries; the average among family medicine physician prescribers was 3,544. Part D covers Medicare prescriptions only.
What is Rex Emerson Wortham, M.D.'s MIPS final score?
The 2023 MIPS final score is 78.9 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.
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.