Mary Katherine Peiffer, NP
Nurse Practitioner · Lone Tree, CO
Mary Katherine Peiffer, NP is a nurse practitioner with a practice address in Lone Tree, Colorado, and NPI 1790454601, issued on Sep 13, 2021. Check the license (Colorado APN.0996850, as entered in NPPES) with the Colorado board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Mary Katherine Peiffer
- Credential
- NP
- Primary taxonomy
- Nurse Practitioner 363L00000X
- License number
- APN.0996850 CO
Self-reported in NPPES; status is on the state search - Practice location
- 10450 Park Meadows Dr Ste 202, Lone Tree, CO 80124
- Phone
- (303) 733-8848
- Enumerated
- Sep 13, 2021
- Record last updated
- Feb 27, 2025
- Medicaid ID
- 9000198109 CO
- Medicare enrollment
- Enrolled (PECOS I20210922000203); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest nurse practitioner records → All 1,260 in Colorado → Look up another NPI →
Also registered at 10450 Park Meadows Dr Ste 202
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Anna Bukowski, PA-CPhysician Assistant1265161582
- Ramy Goueli, M.DUrology Physician1699118687
- Francesca Kranz, PA-CPhysician Assistant1245001015
- Zachary Piotrowski, MDUrology Physician1508187295
- William Swad, PAPhysician Assistant1295457778
Verify Mary Katherine Peiffer in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Colorado board licenses this profession
Search for license APN.0996850Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
9% fewer Medicare Part D claims than the average nurse practitioner in 2024
1,004 Medicare Part D claims for 311 beneficiaries, against an average of 1,109 among the 54,319 providers of this specialty who prescribed in Part D. Brand-name drugs were 13% of claims. 52 claims were for opioids.
Most prescribed
- Tamsulosin Hcl208 claims
- Myrbetriq82 claims
- Nitrofurantoin Mono-Macro78 claims
- Cephalexin77 claims
- Levofloxacin67 claims
- Oxybutynin Chloride Er60 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): 73.4 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).
Industry payments in 2024: $2,797.32
29 payments; by number, the most common kind was food and beverage; the largest payer was Teleflex LLC. 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.
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
- Select Physical Therapy OF West Denver Limited PartnershipGolden, CO
- Urology Associates IncLone Tree, CO
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Mary Katherine Peiffer among 1,260 nurse practitioner records in Colorado
Mary Katherine Peiffer, NP 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 2021, is newer than 75% of them.
- NPI issued2021 · 75% of these records are older, 19% newer
- In a Medicare fileYes · 68% of these records are
- In the CMS Doctors and Clinicians fileYes · 53% of these records are
- Graduated2021 · median 2018 among the 662 with a school on file
- Record last updated2025 · 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).
25 nurse practitioner records list a practice address in Lone Tree
They are 25 of the 1,405 NPPES records with a practice address in Lone Tree, and 1,260 nurse practitioner records in Colorado.
All 1,260 in Colorado → Every provider in Lone Tree → Nurse Practitioner nationwide →
The 8 nurse practitioner records with the nearest ZIP codes
- Jessica Anderson, NPLone Tree, CO 801241518048412
- Michele BibboLone Tree, CO 801241396154969
- Christina Hanson, R.NLone Tree, CO 801241336351907
- Courtney Holley, NPLone Tree, CO 801241083031918
- Mary Lautenbach, NPLone Tree, CO 801241043538283
- Carolyn Mellette, FNPCLone Tree, CO 801241235157850
- Stacy Melville, NP-CLone Tree, CO 801241376831180
- Catherine Mennick, N.P.Lone Tree, CO 801241992961189
Common questions
What is Mary Katherine Peiffer, NP's NPI number?
Mary Katherine Peiffer, NP's National Provider Identifier (NPI) is 1790454601, issued on Sep 13, 2021. An NPI identifies a provider in billing; it is not a license.
Where is Mary Katherine Peiffer, NP located?
The NPPES record lists a practice address at 10450 Park Meadows Dr Ste 202, Lone Tree, CO, 80124. Phone: (303) 733-8848. Providers update this record themselves, so call before visiting.
How can I verify Mary Katherine Peiffer, NP's license?
NPPES lists Colorado license number APN.0996850, as entered by the provider. Search the Colorado board that licenses this profession; the NPPES record confirms identity only.
How much does Mary Katherine Peiffer, NP prescribe under Medicare Part D?
In 2024, Mary Katherine Peiffer, NP had 1,004 Medicare Part D claims for 311 beneficiaries; the average among nurse practitioner prescribers was 1,109. Part D covers Medicare prescriptions only.
What is Mary Katherine Peiffer, NP's MIPS final score?
The 2023 MIPS final score is 73.4 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.