Jenny R. Fox, MD
Hematology & Oncology Physician · Boulder, CO
Jenny R. Fox, MD is a hematology & oncology physician with a practice address in Boulder, Colorado, and NPI 1295719904, issued on Dec 6, 2005. Check the license (Colorado 41521, as entered in NPPES) on the Colorado Medical Board; the Medicare figures below come from public CMS files.
- Name
- Jenny R. Fox
- Credential
- MD
- Primary taxonomy
- Hematology & Oncology Physician 207RH0003X
- License number
- 41521 CO
Self-reported in NPPES; status is on the state search - Practice location
- 4715 Araphoe Avenue, Boulder, CO 80303
- Phone
- (303) 385-2000
- Enumerated
- Dec 6, 2005
- Record last updated
- Nov 5, 2008 (not updated in 18 years: call before relying on the address or phone)
- Fax
- (303) 444-1839
- Medicaid ID
- 41937261 CO
- Entity
- Type 1 · individual
8 nearest hematology & oncology physician records → All 212 in Colorado → Look up another NPI →
Verify Jenny R. Fox in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersColorado Medical Board
Search for license 41521Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
38% fewer Medicare Part D claims than the average hematology & oncology physician in 2024
547 Medicare Part D claims for 120 beneficiaries, against an average of 877 among the 10,784 providers of this specialty who prescribed in Part D. Brand-name drugs were 21% of claims. 11 claims were for opioids.
Most prescribed
- Anastrozole153 claims
- Tamoxifen Citrate70 claims
- Letrozole62 claims
- Exemestane23 claims
- Gabapentin18 claims
- Calquence16 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 MIPS final score for 2023 (Medicare payment program): 84.8 of 100
The Merit-based Incentive Payment System score is reported for this clinician. 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; category weights for 2023 (qpp.cms.gov).
Jenny R. Fox among 212 hematology & oncology physician records in Colorado
Jenny R. Fox, MD is one of 212 hematology & oncology physician records with a practice address in Colorado. 77% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2005, is newer than 0% of them.
- NPI issued2005 · 0% of these records are older, 70% newer
- In a Medicare fileYes · 77% of these records are
- In the CMS Doctors and Clinicians fileNo · 71% of these records are
- Record last updated2008 · 59% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RH0003X and a Colorado practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Hematology & Oncology Physician providers in Colorado
There are 212 hematology & oncology physician records in Colorado.
All 212 in Colorado → Every provider in Boulder → Hematology & Oncology Physician nationwide →
The 8 hematology & oncology physician records with the nearest ZIP codes
- David Andorsky, MDBoulder, CO 803031609061837
- Gregory Britt, M.D.Boulder, CO 803031982645982
- Leslie Busby, MDBoulder, CO 803031952385502
- John Fleagle, MDBoulder, CO 803031346224433
- Lori Jensen, MDBoulder, CO 803031437133527
- Patrick Moran, MDBoulder, CO 803031376520478
- Austin Poole, MDBoulder, CO 803031053686253
- Mark Sitarik, MDBoulder, CO 803031346224664
Common questions
What is Jenny R. Fox, MD's NPI number?
Jenny R. Fox, MD's National Provider Identifier (NPI) is 1295719904, issued on Dec 6, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Jenny R. Fox, MD located?
The NPPES record lists a practice address at 4715 Araphoe Avenue, Boulder, CO, 80303. Phone: (303) 385-2000. Providers update this record themselves, so call before visiting.
How can I verify Jenny R. Fox, MD's license?
NPPES lists Colorado license number 41521, as entered by the provider. Search the Colorado Medical Board at https://dpo.colorado.gov/Medical. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Jenny R. Fox, MD prescribe under Medicare Part D?
In 2024, Jenny R. Fox, MD had 547 Medicare Part D claims for 120 beneficiaries; the average among hematology & oncology physician prescribers was 877. Part D covers Medicare prescriptions only.
What is Jenny R. Fox, MD's MIPS final score?
The 2023 MIPS final score is 84.8 of 100. 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.