Pauline Lynn Hamacher
Family Nurse Practitioner · Hagerstown, MD
Pauline Lynn Hamacher is a family nurse practitioner with a practice address in Hagerstown, Maryland, and NPI 1538053756, issued on Jun 3, 2025. Check the license (Maryland R231554, as entered in NPPES) with the Maryland board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Pauline Lynn Hamacher
- Primary taxonomy
- Family Nurse Practitioner 363LF0000X
- License number
- R231554 MD
Self-reported in NPPES; status is on the state search - Practice location
- 11110 Medical Campus RD Ste 228, Hagerstown, MD 21742
- Phone
- (301) 733-0022
- Enumerated
- Jun 3, 2025
- Record last updated
- Aug 19, 2025
- Medicare enrollment
- Enrolled (PECOS I20250821000660); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest family nurse practitioner records → All 4,124 in Maryland → Look up another NPI →
Also registered at 11110 Medical Campus RD Ste 228
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Alexander Ernest, MDUrology Physician1952387078
- Jeffrey Johnson, MDUrology Physician1730684903
- John Maggioncalda, MDUrology Physician1346239472
- Miranda ThomasFamily Nurse Practitioner1427512318
Verify Pauline Lynn Hamacher in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Maryland board licenses this profession
Search for license R231554Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Bills Medicare through one group practice
- Medical Practices OF Antietam, LLCHagerstown, MD
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Pauline Lynn Hamacher among 4,124 family nurse practitioner records in Maryland
Pauline Lynn Hamacher is one of 4,124 family nurse practitioner records with a practice address in Maryland. 74% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2025, is newer than 93% of them.
- NPI issued2025 · 93% of these records are older, 2% newer
- In a Medicare fileYes · 74% of these records are
- In the CMS Doctors and Clinicians fileYes · 58% of these records are
- Graduated2024 · median 2019 among the 2,370 with a school on file
- Record last updated2025 · 41% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363LF0000X and a Maryland practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
115 family nurse practitioner records list a practice address in Hagerstown
They are 115 of the 2,414 NPPES records with a practice address in Hagerstown, and 4,124 family nurse practitioner records in Maryland.
All 4,124 in Maryland → Every provider in Hagerstown → Family Nurse Practitioner nationwide →
The 8 family nurse practitioner records with the nearest ZIP codes
- Shana Crowder, NPHagerstown, MD 217421821310913
- Heather Dorius, FNP-CHagerstown, MD 217421508289992
- Richard HauptHagerstown, MD 217421245218551
- Courtney Howard, ARNPHagerstown, MD 217421184895419
- Karin Looper, NPHagerstown, MD 217421508161274
- Janeen LycheHagerstown, MD 217421538226972
- Jeanna Moats, C.R.N.PHagerstown, MD 217421417958075
- Jasmine Pega, CRNPHagerstown, MD 217421083017446
Common questions
What is Pauline Lynn Hamacher's NPI number?
Pauline Lynn Hamacher's National Provider Identifier (NPI) is 1538053756, issued on Jun 3, 2025. An NPI identifies a provider in billing; it is not a license.
Where is Pauline Lynn Hamacher located?
The NPPES record lists a practice address at 11110 Medical Campus RD Ste 228, Hagerstown, MD, 21742. Phone: (301) 733-0022. Providers update this record themselves, so call before visiting.
How can I verify Pauline Lynn Hamacher's license?
NPPES lists Maryland license number R231554, 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.