Catherine E. Ramirez
Physician Assistant · Denver, CO
Catherine E. Ramirez is a physician assistant with a practice address in Denver, Colorado, and NPI 1538112099, issued on May 18, 2006. Check the license (Colorado PA0003495, as entered in NPPES) with the Colorado board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Catherine E. Ramirez
- Primary taxonomy
- Physician Assistant 363A00000X
- License numbers
- PA0003495 CO
3495 CO
PA17979 CA
Self-reported in NPPES; status is on the state search - Practice location
- 1719 E. 19TH Avenue, Denver, CO 80218
- Phone
- (303) 839-7111
- Enumerated
- May 18, 2006
- Record last updated
- Jul 31, 2015 (not updated in 11 years: call before relying on the address or phone)
- Fax
- (303) 306-7753
- Medicaid IDs
- PA17979 CA
42870071 CO - Medicare enrollment
- Enrolled (PECOS I20120822000254); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest physician assistant records → All 3,767 in Colorado → Look up another NPI →
Also registered at 1719 E. 19TH Avenue
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Cynthia KelmensonEmergency Medicine Physician1962488460
- Krista Van Zwieten, MDEmergency Medicine Physician1952386229
Verify Catherine E. Ramirez in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Colorado board licenses this profession
Search for license PA0003495Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
74% more Medicare Part D claims than the average physician assistant in 2024
1,442 Medicare Part D claims for 565 beneficiaries, against an average of 830 among the 101,058 providers of this specialty who prescribed in Part D. Brand-name drugs were 9% of claims. 509 claims were for opioids.
Most prescribed
- Pantoprazole Sodium269 claims
- Methocarbamol267 claims
- Oxycodone Hcl254 claims
- Meloxicam143 claims
- Tramadol Hcl113 claims
- Eliquis86 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): 52.9 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
- Panorama Orthopedics And Spine Center PCGolden, CO
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Catherine E. Ramirez among 3,767 physician assistant records in Colorado
Catherine E. Ramirez 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 2006, is newer than 4% of them.
- NPI issued2006 · 4% of these records are older, 83% newer
- In a Medicare fileYes · 76% of these records are
- In the CMS Doctors and Clinicians fileYes · 62% of these records are
- Graduated2001 · median 2017 among the 2,351 with a school on file
- Record last updated2015 · 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
- Paul Battle, PACDenver, CO 802181205872355
- Julie Elliott, PADenver, CO 802181689686131
- Rocky EngbarthDenver, CO 802181174693154
- Cari Langfield, P.A.CDenver, CO 802181336140565
- Mark Love, P.A.-C.Denver, CO 802181245373794
- Anna MayerDenver, CO 802181336288273
- Richard Milner, PA-CDenver, CO 802181235266214
- Paul Neustedter, PADenver, CO 802181306973367
Common questions
What is Catherine E. Ramirez's NPI number?
Catherine E. Ramirez's National Provider Identifier (NPI) is 1538112099, issued on May 18, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Catherine E. Ramirez located?
The NPPES record lists a practice address at 1719 E. 19TH Avenue, Denver, CO, 80218. Phone: (303) 839-7111. Providers update this record themselves, so call before visiting.
How can I verify Catherine E. Ramirez's license?
NPPES lists Colorado license number PA0003495, as entered by the provider. Search the Colorado board that licenses this profession; the NPPES record confirms identity only.
How much does Catherine E. Ramirez prescribe under Medicare Part D?
In 2024, Catherine E. Ramirez had 1,442 Medicare Part D claims for 565 beneficiaries; the average among physician assistant prescribers was 830. Part D covers Medicare prescriptions only.
What is Catherine E. Ramirez's MIPS final score?
The 2023 MIPS final score is 52.9 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.