Mary Katherine Peiffer, NP - Medicare Nurse Practitioner in Castle Rock, CO

Mary Katherine Peiffer, NP is a medicare enrolled "Nurse Practitioner" in Castle Rock, Colorado. She graduated from nursing school in 2021 and has 3 years of diverse experience with area of expertise as Nurse Practitioner. She is a member of the group practice Advanced Urology Pllc and her current practice location is 2352 Meadows Blvd Ste 300, Castle Rock, Colorado. You can reach out to her office (for appointments etc.) via phone at (303) 695-6106.

Mary Katherine Peiffer is licensed to practice in Colorado (license number APN.0996850) and she also participates in the medicare program. She accepts medicare assignments (which means she accepts the Medicare-approved amount; you will not be billed for any more than the Medicare deductible and coinsurance) and her NPI Number is 1790454601.

Contact Information

Mary Katherine Peiffer, NP
2352 Meadows Blvd Ste 300,
Castle Rock, CO 80109-8419
(303) 695-6106
(303) 695-1211

Map and Direction




Provider's Profile

Full NameMary Katherine Peiffer
GenderFemale
SpecialityNurse Practitioner
Experience3 Years
Location2352 Meadows Blvd Ste 300, Castle Rock, Colorado
Accepts Medicare AssignmentsYes. She accepts the Medicare-approved amount; you will not be billed for any more than the Medicare deductible and coinsurance.
  Medical Education and Training:
  • Mary Katherine Peiffer graduated from nursing school in 2021
  NPI Data:
  • NPI Number: 1790454601
  • Provider Enumeration Date: 09/13/2021
  • Last Update Date: 04/05/2023
  Medicare PECOS Information:
  • PECOS PAC ID: 6204233034
  • Enrollment ID: I20210922000203

Medical Identifiers

Medical identifiers for Mary Katherine Peiffer such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1790454601NPI-NPPES
9000198109MedicaidCO

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
363L00000XNurse Practitioner APN.0996850 (Colorado)Primary

Medical Facilities Affiliation

Facility NameLocationFacility Type
Castle Rock Adventist HospitalCastle rock, COHospital

Group Practice Association

Group Practice NameGroup PECOS PAC IDNo. of Members
Advanced Urology Pllc236534655844

Medicare Reassignments

Some practitioners may not bill the customers directly but medicare billing happens through clinics / group practice / hospitals where the provider works. Medicare reassignment of benefits is a mechanism by which practitioners allow third parties to bill and receive payment for medicare services performed by them. Mary Katherine Peiffer allows following entities to bill medicare on her behalf.
Entity NameAdvanced Urology Pllc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1962501551
PECOS PAC ID: 2365346558
Enrollment ID: O20031120000238

Medicare Part D Prescriber Enrollment

Any physician or other eligible professional who prescribes Part D drugs must either enroll in the Medicare program or opt out in order to prescribe drugs to their patients with Part D prescription drug benefit plans. Mary Katherine Peiffer is enrolled with medicare and thus, if eligible, can prescribe medicare part D drugs to patients with medicare part D benefits.

Mailing Address and Practice Location

Mailing AddressPractice Location Address
Mary Katherine Peiffer, NP
25 Crossroads Dr Ste 306,
Owings Mills, MD 21117-5437

Ph: () -
Mary Katherine Peiffer, NP
2352 Meadows Blvd Ste 300,
Castle Rock, CO 80109-8419

Ph: (303) 695-6106

Reviews and Comments


Nurse Practitioner Nurses in Castle Rock, CO

Alicia Wesbrook, NP-C
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Phone: 720-455-3775    
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Medicare: Medicare Enrolled
Practice Location: 753 Maleta Ln Ste 204, Castle Rock, CO 80108
Phone: 303-993-6071    Fax: 720-358-5906
April Chamberlin, PMHNP-BC
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Medicare: Accepting Medicare Assignments
Practice Location: 753 Maleta Ln Ste 203, Castle Rock, CO 80108
Phone: 303-993-6071    Fax: 720-667-2997
Brooke Anna Laessig, NP
Nurse Practitioner
Medicare: Medicare Enrolled
Practice Location: 2352 Meadows Blvd Ste 300, Castle Rock, CO 80109
Phone: 720-455-3750    
Mrs. Amanda Marie Macdonnell, APN-C
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Medicare: Not Enrolled in Medicare
Practice Location: 750 N Ridge Rd, Castle Rock, CO 80104
Phone: 303-658-9817    
Mrs. Kathryn Lee Reed, MS, RNC, NP
Nurse Practitioner
Medicare: Accepting Medicare Assignments
Practice Location: 2352 Meadows Blvd, Suite 300, Castle Rock, CO 80109
Phone: 303-795-3110    Fax: 303-795-6992
Mrs. Dawn Marie Newbry, FNP-C
Nurse Practitioner
Medicare: Accepting Medicare Assignments
Practice Location: 5544 Promenade Pkwy, Castle Rock, CO 80108
Phone: 303-562-9157    

Medicare Program: Medicare is a federal government program which provides health insurance to people who are 65 or older. This program also covers certain younger people with disabilities (who receive Social Security Disability Insurance - SSDI), and people with End-Stage Renal Disease (permanent kidney failure requiring dialysis or a transplant, sometimes called ESRD.

Medicare Assignment: Assignment means that your doctor, provider, or supplier agrees (or is required by law) to accept the Medicare-approved amount as full payment for covered services. Most doctors, providers, and suppliers accept assignment, but you should always check to make sure. Participating providers have signed an agreement to accept assignment for all Medicare-covered services.

NPI Number: The National Provider Identifier (NPI) is a unique identification number for covered health care providers. The NPI must be used in lieu of legacy provider identifiers in the HIPAA standards transactions. Covered health care providers and all health plans and health care clearinghouses must use the NPIs in the administrative and financial transactions adopted under HIPAA (Health Insurance Portability and Accountability Act).

Our Data: Information on www.medicarelist.com is built using data sources published by Centers for Medicare & Medicaid Services (CMS) under Freedom of Information Act (FOIA). The information disclosed on the NPI Registry are FOIA-disclosable and are required to be disclosed under the FOIA and the eFOIA amendments to the FOIA. There is no way to 'opt out' or 'suppress' the NPPES record data for health care providers with active NPIs.