Lynn C. Mays, CRNP
Nurse Practitioner · Germantown, MD
Lynn C. Mays, CRNP is a nurse practitioner with a practice address in Germantown, Maryland, and NPI 1700857828, issued on Jan 27, 2006. Check the license (Maryland R112121, as entered in NPPES) with the Maryland board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Lynn C. Mays
- Credential
- CRNP
- Primary taxonomy
- Nurse Practitioner 363L00000X
- License number
- R112121 MD
Self-reported in NPPES; status is on the state search - Practice location
- 20410 Observation Dr, Germantown, MD 20876
- Phone
- (301) 407-1466
- Enumerated
- Jan 27, 2006
- Record last updated
- Jun 15, 2016 (not updated in 10 years: call before relying on the address or phone)
- Fax
- (241) 417-4941
- Medicare enrollment
- Enrolled (PECOS I20090304000372); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest nurse practitioner records → All 1,248 in Maryland → Look up another NPI →
Also registered at 20410 Observation Dr
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Keshia AlfredClinical Social Worker1518673748
- Brenna Anderson, MS, BCBABehavior Analyst1265106603
- Walter Basen, M.D.Diagnostic Radiology Physician1437120102
- Renu Berry, M.D.Diagnostic Radiology Physician1356312201
- Alan Bobb, M.D.Diagnostic Radiology Physician1669443321
- Bruce Bortnick, M.D.Diagnostic Radiology Physician1740251271
Verify Lynn C. Mays in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Maryland board licenses this profession
Search for license R112121Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
2.4 times the Medicare Part D claims of the average nurse practitioner in 2024
2,612 Medicare Part D claims for 387 beneficiaries, against an average of 1,109 among the 54,319 providers of this specialty who prescribed in Part D. Brand-name drugs were 11% of claims.
Most prescribed
- Atorvastatin Calcium159 claims
- Amlodipine Besylate147 claims
- Rosuvastatin Calcium112 claims
- Levothyroxine Sodium99 claims
- Lisinopril94 claims
- Losartan Potassium94 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: $124.31
2 payments; by number, the most common kind was food and beverage; the largest payer was AstraZeneca Pharmaceuticals LP. 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
- Amber Hill Physical Therapy IncFrederick, MD
- Comprehensive Primary Care And Associates LLCRockville, MD
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Lynn C. Mays among 1,248 nurse practitioner records in Maryland
Lynn C. Mays, CRNP is one of 1,248 nurse practitioner records with a practice address in Maryland. 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 2006, is newer than 4% of them.
- NPI issued2006 · 4% of these records are older, 74% newer
- In a Medicare fileYes · 68% of these records are
- In the CMS Doctors and Clinicians fileYes · 52% of these records are
- Graduated1996 · median 2018 among the 655 with a school on file
- Record last updated2016 · 48% 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 Maryland practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Nurse Practitioner providers in Maryland
There are 1,248 nurse practitioner records in Maryland.
All 1,248 in Maryland → Every provider in Germantown → Nurse Practitioner nationwide →
The 8 nurse practitioner records with the nearest ZIP codes
- Eleanor Dzodzomenyo, CRNP, FNP-BCGermantown, MD 208761942920202
- Jessica Greenberg, NPGermantown, MD 208761346886249
- Katherine Barbee, CRNPGaithersburg, MD 208771619171469
- Audrey Mathew, NPGaithersburg, MD 208771386241685
- Philsamma Thomas, CRNPGaithersburg, MD 208771740313626
- Lisa Washington, CRNPGaithersburg, MD 208771912118506
- Joanne Broomer, FNP AG-ACNPGermantown, MD 208741295265007
- Marigold CatoGermantown, MD 208741649044678
Common questions
What is Lynn C. Mays, CRNP's NPI number?
Lynn C. Mays, CRNP's National Provider Identifier (NPI) is 1700857828, issued on Jan 27, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Lynn C. Mays, CRNP located?
The NPPES record lists a practice address at 20410 Observation Dr, Germantown, MD, 20876. Phone: (301) 407-1466. Providers update this record themselves, so call before visiting.
How can I verify Lynn C. Mays, CRNP's license?
NPPES lists Maryland license number R112121, as entered by the provider. Search the Maryland board that licenses this profession; the NPPES record confirms identity only.
How much does Lynn C. Mays, CRNP prescribe under Medicare Part D?
In 2024, Lynn C. Mays, CRNP had 2,612 Medicare Part D claims for 387 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.