Lily Grainger, - Medicare Physician Assistant in Columbia, MD

Lily Grainger, is a medicare enrolled "Physician Assistant" in Columbia, Maryland. She graduated from nursing school in 2025 and has 1 years of diverse experience with area of expertise as Physician Assistant. She is a member of the group practice Doctors First, Llc and her current practice location is 8600 Snowden River Pkwy Ste 207, Columbia, Maryland. You can reach out to her office (for appointments etc.) via phone at (301) 515-2901.

Lily Grainger is licensed to practice in Maryland (license number C0010360) 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 1326997925.

Contact Information

Lily Grainger,
8600 Snowden River Pkwy Ste 207,
Columbia, MD 21045-1985
(301) 515-2901
Not Available

Map and Direction




Provider's Profile

Full NameLily Grainger
GenderFemale
SpecialityPhysician Assistant
Experience1 Years
Location8600 Snowden River Pkwy Ste 207, Columbia, Maryland
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:
  • Lily Grainger graduated from nursing school in 2025
  NPI Data:
  • NPI Number: 1326997925
  • Provider Enumeration Date: 01/26/2026
  • Last Update Date: 06/26/2026
  Medicare PECOS Information:
  • PECOS PAC ID: 7315415262
  • Enrollment ID: I20260508001158

Medical Identifiers

Medical identifiers for Lily Grainger such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1326997925NPI-NPPES

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
363A00000XPhysician Assistant C0010360 (Maryland)Primary

Group Practice Association

Group Practice NameGroup PECOS PAC IDNo. of Members
Doctors First, Llc387066197858

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. Lily Grainger allows following entities to bill medicare on her behalf.
Entity NameDoctors First Professional Corporation
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1053077263
PECOS PAC ID: 3870661978
Enrollment ID: O20220912002908

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. Lily Grainger 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
Lily Grainger,
555 President St Unit 1405,
Baltimore, MD 21202-6060

Ph: Not Available
Lily Grainger,
8600 Snowden River Pkwy Ste 207,
Columbia, MD 21045-1985

Ph: (301) 515-2901

Reviews and Comments


Physician Assistant Nurses in Columbia, MD

Justin Richard Waite,
Physician Assistant
Medicare: Accepting Medicare Assignments
Practice Location: 5900 Cedar Ln, Columbia, MD 21044
Phone: 443-718-4067    
Mrs. Toni Marie Keller, PA-C
Physician Assistant
Medicare: Not Enrolled in Medicare
Practice Location: 5755 Cedar Ln, Columbia, MD 21044
Phone: 410-720-8000    Fax: 410-740-7511
Smital Patel, PA-C
Physician Assistant
Medicare: Accepting Medicare Assignments
Practice Location: 10710 Charter Dr Ste 130, Columbia, MD 21044
Phone: 410-772-7000    
Melissa Tsang, PA-C
Physician Assistant
Medicare: Accepting Medicare Assignments
Practice Location: 9520 Berger Rd Ste 203, Columbia, MD 21046
Phone: 410-823-6408    
Bradley Klement, PA-C
Physician Assistant
Medicare: Accepting Medicare Assignments
Practice Location: 10710 Charter Dr, Columbia, MD 21044
Phone: 410-955-5000    
Zayda Villatoro,
Physician Assistant
Medicare: Not Enrolled in Medicare
Practice Location: 7226 Lee Deforest Dr Ste 206, Columbia, MD 21046
Phone: 410-656-2646    
Mr. Dipal Patel, PA-C
Physician Assistant
Medicare: Accepting Medicare Assignments
Practice Location: 5755 Cedar Ln, Columbia, MD 21044
Phone: 410-740-7890    

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.