NPPES file of Aug 9, 2026

Karen L. Spring, RN, CNP

Nurse Practitioner · Denver, CO

Karen L. Spring, RN, CNP is a nurse practitioner with a practice address in Denver, Colorado, and NPI 1871730093, issued on Jan 9, 2009. Check the license (Colorado APN.0991933-NP, as entered in NPPES) with the Colorado board that licenses this profession; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1871730093
Name
Karen L. Spring
Credential
RN, CNP
Primary taxonomy
Nurse Practitioner 363L00000X
License numbers
APN.0991933-NP CO
RN.1634015 CO
RXN.0102039-NP CO
324471 OH
OH10421 OH
Self-reported in NPPES; status is on the state search
Practice location
2130 Stout St, Denver, CO 80205
Phone
(303) 293-2220
Enumerated
Jan 9, 2009
Record last updated
Jul 21, 2022
Medicaid IDs
0068347 OH
0050105 OH
Medicare enrollment
Enrolled (PECOS I20220805001318); may accept Medicare assignment
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 2130 Stout St

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Victoria AbbeyClinical Social Worker1942781174
  2. Jennifer Adams, MDInternal Medicine Physician1386663946
  3. Cristina ArballoMental Health Counselor1720971708
  4. Jacob Arrowsmith, LPCCMental Health Counselor1912749110
  5. Sarah Axelrath, MDInternal Medicine Physician1497285647
  6. Hannah Bass, RNRegistered Nurse1992271746

Verify Karen L. Spring in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Colorado board licenses this profession
    Search for license APN.0991933-NP
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Find the Colorado license search

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2.1 times the Medicare Part D claims of the average nurse practitioner in 2024

2,377 Medicare Part D claims for 133 beneficiaries, against an average of 1,109 among the 54,319 providers of this specialty who prescribed in Part D. Brand-name drugs were 23% of claims. 29 claims were for opioids.

  1. Karen Spring2,377
  2. Specialty average1,109

Most prescribed

  1. Atorvastatin Calcium157 claims
  2. Omeprazole100 claims
  3. Metoprolol Succinate81 claims
  4. Albuterol Sulfate Hfa80 claims
  5. Gabapentin71 claims
  6. Jardiance70 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: $14.67

1 payment: food and beverage; the largest payer was Heartflow, Inc. The 38,884 providers of this specialty with any payment received $791.64 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Karen Spring$14.67
  2. Specialty average$791.64

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

  1. Colorado Coalition For The HomelessDenver, CO

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Karen L. Spring among 1,260 nurse practitioner records in Colorado

Karen L. Spring, RN, CNP is one of 1,260 nurse practitioner records with a practice address in Colorado. 68% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2009, is newer than 35% of them.

  • NPI issued2009 · 35% of these records are older, 63% newer
  • In a Medicare fileYes · 68% of these records are
  • In the CMS Doctors and Clinicians fileYes · 53% of these records are
  • Graduated2008 · median 2018 among the 662 with a school on file
  • Record last updated2022 · 46% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363L00000X and a Colorado practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Nurse Practitioner providers in Colorado

There are 1,260 nurse practitioner records in Colorado.

The 8 nurse practitioner records with the nearest ZIP codes

  1. Barbara Anderson, NPDenver, CO 802051962617076
  2. Mary Austin, NPDenver, CO 802051104018738
  3. Anna Cardinell, NPDenver, CO 802051306978614
  4. Georgia Caven, NPDenver, CO 802051487692000
  5. Kimberly Clonts, NPDenver, CO 802051760512602
  6. Elaine Jones, FNPDenver, CO 802051194742270
  7. Renee Kallesen, NPDenver, CO 802051194852020
  8. Denise Lowery, WHNPDenver, CO 802051932140415

Common questions

What is Karen L. Spring, RN, CNP's NPI number?

Karen L. Spring, RN, CNP's National Provider Identifier (NPI) is 1871730093, issued on Jan 9, 2009. An NPI identifies a provider in billing; it is not a license.

Where is Karen L. Spring, RN, CNP located?

The NPPES record lists a practice address at 2130 Stout St, Denver, CO, 80205. Phone: (303) 293-2220. Providers update this record themselves, so call before visiting.

How can I verify Karen L. Spring, RN, CNP's license?

NPPES lists Colorado license number APN.0991933-NP, as entered by the provider. Search the Colorado board that licenses this profession; the NPPES record confirms identity only.

How much does Karen L. Spring, RN, CNP prescribe under Medicare Part D?

In 2024, Karen L. Spring, RN, CNP had 2,377 Medicare Part D claims for 133 beneficiaries; the average among nurse practitioner prescribers was 1,109. 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.