Christine Kay Zerr, PA
Physician Assistant · Littleton, CO
Christine Kay Zerr, PA is a physician assistant with a practice address in Littleton, Colorado, and NPI 1417482282, issued on Apr 28, 2017. Check the license (Colorado PA.0005099, as entered in NPPES) with the Colorado board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Christine Kay Zerr
- Credential
- PA
- Primary taxonomy
- Physician Assistant 363A00000X
- License number
- PA.0005099 CO
Self-reported in NPPES; status is on the state search - Practice location
- 2009 W Littleton Blvd Ste 100, Littleton, CO 80120
- Phone
- (303) 221-4448
- Enumerated
- Apr 28, 2017
- Record last updated
- Jan 9, 2026
- Medicare enrollment
- Enrolled (PECOS I20170913002999); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest physician assistant records → All 3,767 in Colorado → Look up another NPI →
Also registered at 2009 W Littleton Blvd Ste 100
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Marcjonathan Serota, M.D.Dermatology Physician1740410463
Verify Christine Kay Zerr 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.0005099Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
29% fewer Medicare Part D claims than the average physician assistant in 2024
592 Medicare Part D claims for 248 beneficiaries, against an average of 830 among the 101,058 providers of this specialty who prescribed in Part D. Brand-name drugs were 5% of claims.
Most prescribed
- Triamcinolone Acetonide79 claims
- Clobetasol Propionate59 claims
- Minoxidil44 claims
- Ketoconazole33 claims
- Doxycycline Hyclate27 claims
- Fluorouracil24 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.
Industry payments in 2024: $24,898.99
270 payments; by number, the most common kind was food and beverage; the largest payer was Abbvie 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
- Epiphany Dermatology OF Colorado LLCLittleton, CO
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Christine Kay Zerr among 3,767 physician assistant records in Colorado
Christine Kay Zerr, PA 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 2017, is newer than 55% of them.
- NPI issued2017 · 55% of these records are older, 42% newer
- In a Medicare fileYes · 76% of these records are
- In the CMS Doctors and Clinicians fileYes · 62% of these records are
- Graduated2017 · median 2017 among the 2,351 with a school on file
- Record last updated2026 · 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).
88 physician assistant records list a practice address in Littleton
They are 88 of the 3,918 NPPES records with a practice address in Littleton, and 3,767 physician assistant records in Colorado.
All 3,767 in Colorado → Every provider in Littleton → Physician Assistant nationwide →
The 8 physician assistant records with the nearest ZIP codes
- Chelsea Batten Cook, PA-CLittleton, CO 801201750794905
- Susan Braun, PA-CLittleton, CO 801201740336692
- Kristine Clay, PALittleton, CO 801201568435519
- Lee Dionne, PA-CLittleton, CO 801201104472679
- Traci Dreesen, PA-CLittleton, CO 801201225579543
- Heather Finlayson, PA-CLittleton, CO 801201952480873
- Alison Lenz, PA-CLittleton, CO 801201114203379
- Rachel Pienknagura, PA-CLittleton, CO 801201982265369
Common questions
What is Christine Kay Zerr, PA's NPI number?
Christine Kay Zerr, PA's National Provider Identifier (NPI) is 1417482282, issued on Apr 28, 2017. An NPI identifies a provider in billing; it is not a license.
Where is Christine Kay Zerr, PA located?
The NPPES record lists a practice address at 2009 W Littleton Blvd Ste 100, Littleton, CO, 80120. Phone: (303) 221-4448. Providers update this record themselves, so call before visiting.
How can I verify Christine Kay Zerr, PA's license?
NPPES lists Colorado license number PA.0005099, as entered by the provider. Search the Colorado board that licenses this profession; the NPPES record confirms identity only.
How much does Christine Kay Zerr, PA prescribe under Medicare Part D?
In 2024, Christine Kay Zerr, PA had 592 Medicare Part D claims for 248 beneficiaries; the average among physician assistant prescribers was 830. Part D covers Medicare prescriptions only.
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.