James Mazjanis, CRNA - Medicare Certified Registered Nurse Anesthetist (crna) in Clarksburg, MD

James Mazjanis, CRNA is a medicare enrolled "Nurse Anesthetist, Certified Registered" in Clarksburg, Maryland. He graduated from nursing school in 2022 and has 3 years of diverse experience with area of expertise as Certified Registered Nurse Anesthetist (crna). He is a member of the group practice First Colonies Anesthesia Associates, Llc, Johns Hopkins University, First Colonies Anesthesia Associates, Llc, Inova Cares - Community, Valley Health Anesthesia Services, Llc, Inova Cares - Community and his current practice location is 13013 Ebenezer Chapel Dr, Clarksburg, Maryland. You can reach out to his office (for appointments etc.) via phone at (401) 215-4245.

James Mazjanis is licensed to practice in Maryland (license number R257658) and he also participates in the medicare program. He may accept medicare assignments (which means he may accept the Medicare-approved amount; you may be billed for more than the Medicare deductible and coinsurance) and his NPI Number is 1568184950.

Contact Information

James Mazjanis, CRNA
13013 Ebenezer Chapel Dr,
Clarksburg, MD 20871-4323
(401) 215-4245
Not Available

Map and Direction




Provider's Profile

Full NameJames Mazjanis
GenderMale
SpecialityCertified Registered Nurse Anesthetist (crna)
Experience3 Years
Location13013 Ebenezer Chapel Dr, Clarksburg, Maryland
Accepts Medicare AssignmentsMay be. He may accept the Medicare-approved amount; you may be billed for more than the Medicare deductible and coinsurance.
  Medical Education and Training:
  • James Mazjanis graduated from nursing school in 2022
  NPI Data:
  • NPI Number: 1568184950
  • Provider Enumeration Date: 09/13/2022
  • Last Update Date: 05/27/2025
  Medicare PECOS Information:
  • PECOS PAC ID: 4183080146
  • Enrollment ID: I20230517000205

Medical Identifiers

Medical identifiers for James Mazjanis such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1568184950NPI-NPPES

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
367500000XNurse Anesthetist, Certified Registered R257658 (Maryland)Primary

Medical Facilities Affiliation

Facility NameLocationFacility Type
Winchester Medical CenterWinchester, VAHospital
Inova Loudoun HospitalLeesburg, VAHospital
Holy Cross Germantown HospitalGermantown, MDHospital
Holy Cross HospitalSilver spring, MDHospital

Group Practice Association

Group Practice NameGroup PECOS PAC IDNo. of Members
First Colonies Anesthesia Associates, Llc8426039744312
Johns Hopkins University89219031472699
First Colonies Anesthesia Associates, Llc8426039744312
Inova Cares - Community9537526330180
Valley Health Anesthesia Services, Llc367800256595
Inova Cares - Community9537526330180

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. James Mazjanis allows following entities to bill medicare on his behalf.
Entity NameAnesthesia Company Llc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1871548156
PECOS PAC ID: 4587559026
Enrollment ID: O20040216000401
Entity NameFirst Colonies Anesthesia Associates, Llc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1740218767
PECOS PAC ID: 8426039744
Enrollment ID: O20040525000119
Entity NamePotomac Anesthesia Consultants Llc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1225781297
PECOS PAC ID: 7416343728
Enrollment ID: O20240912001564

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. James Mazjanis 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
James Mazjanis, CRNA
13013 Ebenezer Chapel Dr,
Clarksburg, MD 20871-4323

Ph: (401) 215-4245
James Mazjanis, CRNA
13013 Ebenezer Chapel Dr,
Clarksburg, MD 20871-4323

Ph: (401) 215-4245

Reviews and Comments


Nurse Anesthetist, Certified Registered Nurses in Clarksburg, MD

Eric P Rehbehn, CRNA
Nurse Anesthetist - CR
Medicare: Accepting Medicare Assignments
Practice Location: 22217 Fair Garden Ln, Clarksburg, MD 20871
Phone: 301-540-6040    
Mr. Jeffrey Lynn Schrader, CERTIFIED REGISTERED
Nurse Anesthetist - CR
Medicare: Not Enrolled in Medicare
Practice Location: 13254 Windsong Ln, Clarksburg, MD 20871
Phone: 301-515-8464    
Mr. John N Litchfield, CRNA
Nurse Anesthetist - CR
Medicare: Accepting Medicare Assignments
Practice Location: 13232 Windsong Ln, Clarksburg, MD 20871
Phone: 360-620-1639    Fax: 910-450-4194

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.