Lois Ellen Ahalt, CRNP
Occupational Health Registered Nurse · Frederick, MD
Lois Ellen Ahalt, CRNP is an occupational health registered nurse with a practice address in Frederick, Maryland, and NPI 1841339629, issued on Feb 6, 2007. Check the license (Maryland R070660, as entered in NPPES) with the Maryland board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Lois Ellen Ahalt
- Credential
- CRNP
- Primary taxonomy
- Occupational Health Registered Nurse 163WX0106X
- License number
- R070660 MD
Self-reported in NPPES; status is on the state search - Practice location
- 8300 Research Plaza, Frederick, MD 21702
- Phone
- (301) 619-5540
- Enumerated
- Feb 6, 2007
- Record last updated
- Oct 23, 2018 (not updated in 8 years: call before relying on the address or phone)
- Fax
- (301) 619-5591
- Entity
- Type 1 · individual
8 nearest occupational health registered nurse records → All 29 in Maryland → Look up another NPI →
Verify Lois Ellen Ahalt in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Maryland board licenses this profession
Search for license R070660Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Industry payments in 2024: $379.69
4 payments; by number, the most common kind was food and beverage; the largest payer was AstraZeneca Pharmaceuticals LP. The 4 providers of this specialty with any payment received $235.20 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.
Lois Ellen Ahalt among 29 occupational health registered nurse records in Maryland
Lois Ellen Ahalt, CRNP is one of 29 occupational health registered nurse records with a practice address in Maryland. 3% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2007, is newer than 28% of them.
- NPI issued2007 · 28% of these records are older, 55% newer
- In a Medicare fileYes · 3% of these records are
- In the CMS Doctors and Clinicians fileNo · 0% of these records are
- Record last updated2018 · 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 163WX0106X and a Maryland practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Occupational Health Registered Nurse providers in Maryland
There are 29 occupational health registered nurse records in Maryland.
All 29 in Maryland → Every provider in Frederick → Occupational Health Registered Nurse nationwide →
The 8 occupational health registered nurse records with the nearest ZIP codes
- Jeannine Haller, RN, BSNFrederick, MD 217021285712232
- Carol Tobias, RNFrederick, MD 217021053530139
- Tiara Brown, RNHagerstown, MD 217421255824785
- Renee Crawford, RNHagerstown, MD 217421265937023
- Tracy Harsh, RNHagerstown, MD 217421689368136
- Emily DumshaBaltimore, MD 212261598586091
- Thomas Sweeney, RNReisertown, MD 211361184837775
- Georgia Sperry, BSN, RNHarmans, MD 210771720815616
Common questions
What is Lois Ellen Ahalt, CRNP's NPI number?
Lois Ellen Ahalt, CRNP's National Provider Identifier (NPI) is 1841339629, issued on Feb 6, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Lois Ellen Ahalt, CRNP located?
The NPPES record lists a practice address at 8300 Research Plaza, Frederick, MD, 21702. Phone: (301) 619-5540. Providers update this record themselves, so call before visiting.
How can I verify Lois Ellen Ahalt, CRNP's license?
NPPES lists Maryland license number R070660, as entered by the provider. Search the Maryland board that licenses this profession; the NPPES record confirms identity 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.