Paul Castellini, PA-S
Physician Assistant · Colorado Springs, CO
Paul Castellini, PA-S is a physician assistant with a practice address in Colorado Springs, Colorado, and NPI 1245947159, issued on Oct 31, 2022. Check the license (Colorado PA.0008113, as entered in NPPES) with the Colorado board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Paul Castellini
- Credential
- PA-S
- Primary taxonomy
- Physician Assistant 363A00000X
- License numbers
- PA.0008113 CO
TC138 KY
Self-reported in NPPES; status is on the state search - Practice location
- 3204 N Academy Blvd Ste 300, Colorado Springs, CO 80917
- Phone
- (303) 351-5995
- Enumerated
- Oct 31, 2022
- Record last updated
- Oct 14, 2025
- Fax
- (720) 925-5897
- Medicare enrollment
- Enrolled (PECOS I20240409003159); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest physician assistant records → All 3,767 in Colorado → Look up another NPI →
Also registered at 3204 N Academy Blvd Ste 300
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Paul Castellini 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.0008113Check 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% more Medicare Part D claims than the average physician assistant in 2024
1,145 Medicare Part D claims for 168 beneficiaries, against an average of 830 among the 101,058 providers of this specialty who prescribed in Part D. Brand-name drugs were 12% of claims. 633 claims were for opioids.
Most prescribed
- Oxycodone Hcl120 claims
- Oxycodone-Acetaminophen109 claims
- Hydrocodone-Acetaminophen108 claims
- Morphine Sulfate Er90 claims
- Tizanidine Hcl61 claims
- Celecoxib53 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: $410.57
15 payments; by number, the most common kind was food and beverage; the largest payer was Spr Therapeutics, 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 2 group practices
- Mountain View Pain SpecialistsAurora, CO
- University OF KentuckyLexington, KY
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Paul Castellini among 3,767 physician assistant records in Colorado
Paul Castellini, PA-S 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 2022, is newer than 79% of them.
- NPI issued2022 · 79% of these records are older, 16% newer
- In a Medicare fileYes · 76% of these records are
- In the CMS Doctors and Clinicians fileYes · 62% of these records are
- Graduated2023 · median 2017 among the 2,351 with a school on file
- Record last updated2025 · 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).
422 physician assistant records list a practice address in Colorado Springs
They are 422 of the 19,771 NPPES records with a practice address in Colorado Springs, and 3,767 physician assistant records in Colorado.
All 3,767 in Colorado → Every provider in Colorado Springs → Physician Assistant nationwide →
The 8 physician assistant records with the nearest ZIP codes
- Christina Areheart, PA-CColorado Springs, CO 809171215181847
- Christopher Daugherty, PA-CColorado Springs, CO 809171871929075
- Anna Dickey, PAColorado Springs, CO 809171467895789
- Amie Hart, PA-CColorado Springs, CO 809171902234297
- Jean-Luc Houlne, PA-CColorado Springs, CO 809171588703904
- Lori Japp, PA-CColorado Springs, CO 809171356328454
- Ronald Johnsen, PHYSICIAN ASSISTANTColorado Springs, CO 809171326388034
- Deborah Koschak, PA-CColorado Springs, CO 809171023095015
Common questions
What is Paul Castellini, PA-S's NPI number?
Paul Castellini, PA-S's National Provider Identifier (NPI) is 1245947159, issued on Oct 31, 2022. An NPI identifies a provider in billing; it is not a license.
Where is Paul Castellini, PA-S located?
The NPPES record lists a practice address at 3204 N Academy Blvd Ste 300, Colorado Springs, CO, 80917. Phone: (303) 351-5995. Providers update this record themselves, so call before visiting.
How can I verify Paul Castellini, PA-S's license?
NPPES lists Colorado license number PA.0008113, as entered by the provider. Search the Colorado board that licenses this profession; the NPPES record confirms identity only.
How much does Paul Castellini, PA-S prescribe under Medicare Part D?
In 2024, Paul Castellini, PA-S had 1,145 Medicare Part D claims for 168 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.