Rebecca Henderson Niznik, PA
Physician Assistant · Colorado Springs, CO
Rebecca Henderson Niznik, PA is a physician assistant with a practice address in Colorado Springs, Colorado, and NPI 1326058165, issued on Aug 8, 2006. Check the license (Colorado PA.0001644, as entered in NPPES) with the Colorado board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Rebecca Henderson Niznik
- Credential
- PA
- Primary taxonomy
- Physician Assistant 363A00000X
- License numbers
- PA.0001644 CO
1644 CO
Self-reported in NPPES; status is on the state search - Practice location
- 8890 N Union Blvd Ste 170, Colorado Springs, CO 80920
- Phone
- (719) 364-5005
- Enumerated
- Aug 8, 2006
- Record last updated
- Feb 27, 2026
- Medicaid ID
- 50676334 CO
- Medicare enrollment
- Enrolled (PECOS I20110124000643); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest physician assistant records → All 3,767 in Colorado → Look up another NPI →
Also registered at 8890 N Union Blvd Ste 170
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Rebecca Henderson Niznik 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.0001644Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
64% more Medicare Part D claims than the average physician assistant in 2024
1,362 Medicare Part D claims for 213 beneficiaries, against an average of 830 among the 101,058 providers of this specialty who prescribed in Part D. 27 claims were for opioids.
Most prescribed
- Levothyroxine Sodium107 claims
- Rosuvastatin Calcium96 claims
- Atorvastatin Calcium72 claims
- Metoprolol Succinate47 claims
- Losartan Potassium44 claims
- Sertraline Hcl38 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.
Bills Medicare through one group practice
- Poudre Valley Medical Group LLCCastle Rock, CO
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Rebecca Henderson Niznik among 3,767 physician assistant records in Colorado
Rebecca Henderson Niznik, 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 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
- Graduated1999 · 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).
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
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- Phillip Falender, PACColorado Springs, CO 809201114964384
- Samantha Jordan, P.A-C, MMSColorado Springs, CO 809201982702239
- Jill Parker, PAColorado Springs, CO 809201649200981
- Carolyn Redar, P.A.Colorado Springs, CO 809201568421808
- Golda Reisdorph, PAColorado Springs, CO 809201417992132
Common questions
What is Rebecca Henderson Niznik, PA's NPI number?
Rebecca Henderson Niznik, PA's National Provider Identifier (NPI) is 1326058165, issued on Aug 8, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Rebecca Henderson Niznik, PA located?
The NPPES record lists a practice address at 8890 N Union Blvd Ste 170, Colorado Springs, CO, 80920. Phone: (719) 364-5005. Providers update this record themselves, so call before visiting.
How can I verify Rebecca Henderson Niznik, PA's license?
NPPES lists Colorado license number PA.0001644, as entered by the provider. Search the Colorado board that licenses this profession; the NPPES record confirms identity only.
How much does Rebecca Henderson Niznik, PA prescribe under Medicare Part D?
In 2024, Rebecca Henderson Niznik, PA had 1,362 Medicare Part D claims for 213 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.