Katherine Diggins, PA-C
Physician Assistant · Denver, CO
Katherine Diggins, PA-C is a physician assistant with a practice address in Denver, Colorado, and NPI 1073905048, issued on Feb 26, 2015. Check the license (Colorado PA.0006204, as entered in NPPES) with the Colorado board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Katherine Diggins
- Credential
- PA-C
- Primary taxonomy
- Physician Assistant 363A00000X
- License number
- PA.0006204 CO
Self-reported in NPPES; status is on the state search - Practice location
- 4567 E 9TH Ave, Denver, CO 80220
- Phone
- (303) 320-2121
- Enumerated
- Feb 26, 2015
- Record last updated
- Mar 24, 2023
- Medicare enrollment
- Enrolled (PECOS I20201118002850); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest physician assistant records → All 3,767 in Colorado → Look up another NPI →
Also registered at 4567 E 9TH Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Katherine Diggins in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Colorado board licenses this profession
Search for license PA.0006204Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
98% fewer Medicare Part D claims than the average physician assistant in 2024
19 Medicare Part D claims, against an average of 830 among the 101,058 providers of this specialty who prescribed in Part D.
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): 91.1 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).
Industry payments in 2024: $289.32
5 payments; by number, the most common kind was food and beverage; the largest payer was W. L. Gore & Associates, Inc. The 64,719 providers of this specialty with any payment received $841.65 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through one group practice
- Portercare Adventist Health SystemDenver, CO
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Katherine Diggins among 3,767 physician assistant records in Colorado
Katherine Diggins, PA-C is one of 3,767 physician assistant records with a practice address in Colorado. 76% 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 47% of them.
- NPI issued2015 · 47% of these records are older, 49% newer
- In a Medicare fileYes · 76% of these records are
- In the CMS Doctors and Clinicians fileYes · 62% of these records are
- Graduated2016 · median 2017 among the 2,351 with a school on file
- Record last updated2023 · 40% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363A00000X and a Colorado practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
540 physician assistant records list a practice address in Denver
They are 540 of the 25,068 NPPES records with a practice address in Denver, and 3,767 physician assistant records in Colorado.
All 3,767 in Colorado → Every provider in Denver → Physician Assistant nationwide →
The 8 physician assistant records with the nearest ZIP codes
- Theresa Capaci, PADenver, CO 802201629105655
- Susan Esmond, PA-CDenver, CO 802201639168586
- Denise FlaspohlerDenver, CO 802201467482208
- Molly Gilpin, PADenver, CO 802201003837709
- Richard Harvey, PA-CDenver, CO 802201992736375
- Julee Karcz, PA-CDenver, CO 802201659562445
- William Miller IIDenver, CO 802201659419539
- Melissa MunkwitzDenver, CO 802201366462855
Common questions
What is Katherine Diggins, PA-C's NPI number?
Katherine Diggins, PA-C's National Provider Identifier (NPI) is 1073905048, issued on Feb 26, 2015. An NPI identifies a provider in billing; it is not a license.
Where is Katherine Diggins, PA-C located?
The NPPES record lists a practice address at 4567 E 9TH Ave, Denver, CO, 80220. Phone: (303) 320-2121. Providers update this record themselves, so call before visiting.
How can I verify Katherine Diggins, PA-C's license?
NPPES lists Colorado license number PA.0006204, as entered by the provider. Search the Colorado board that licenses this profession; the NPPES record confirms identity only.
How much does Katherine Diggins, PA-C prescribe under Medicare Part D?
In 2024, Katherine Diggins, PA-C had 19 Medicare Part D claims; the average among physician assistant prescribers was 830. Part D covers Medicare prescriptions only.
What is Katherine Diggins, PA-C's MIPS final score?
The 2023 MIPS final score is 91.1 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.