Melissa A. Callahan, CRNP
Gerontology Nurse Practitioner · Exton, PA
Melissa A. Callahan, CRNP is a gerontology nurse practitioner with a practice address in Exton, Pennsylvania, and NPI 1669411393, issued on Jun 6, 2006. Check the license (Pennsylvania TP006181H, as entered in NPPES) with the Pennsylvania board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Melissa A. Callahan
- Credential
- CRNP
- Primary taxonomy
- Gerontology Nurse Practitioner 363LG0600X
- License numbers
- TP006181H PA
TP006182C PA
Self-reported in NPPES; status is on the state search - Practice location
- 320 Exton Cmns, Exton, PA 19341
- Phone
- (866) 268-6609
- Enumerated
- Jun 6, 2006
- Record last updated
- Feb 26, 2024
- Fax
- (866) 610-4542
- Entity
- Type 1 · individual
8 nearest gerontology nurse practitioner records → All 587 in Pennsylvania → Look up another NPI →
Verify Melissa A. Callahan in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Pennsylvania board licenses this profession
Search for license TP006181HCheck the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
64% fewer Medicare Part D claims than the average gerontology nurse practitioner in 2024
490 Medicare Part D claims for 88 beneficiaries, against an average of 1,369 among the 6,165 providers of this specialty who prescribed in Part D.
Most prescribed
- Gabapentin46 claims
- Omeprazole19 claims
- Albuterol Sulfate Hfa18 claims
- Atorvastatin Calcium18 claims
- Cyclobenzaprine Hcl17 claims
- Trazodone Hcl17 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: $5,976.59
47 payments; by number, the most common kind was food and beverage; the largest payer was Braeburn Inc. The 3,903 providers of this specialty with any payment received $742.05 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.
Melissa A. Callahan among 587 gerontology nurse practitioner records in Pennsylvania
Melissa A. Callahan, CRNP is one of 587 gerontology nurse practitioner records with a practice address in Pennsylvania. 78% 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 under 1% of them.
- NPI issued2006 · under 1% of these records are older, 94% newer
- In a Medicare fileYes · 78% of these records are
- In the CMS Doctors and Clinicians fileNo · 64% of these records are
- Record last updated2024 · 42% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363LG0600X and a Pennsylvania practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Gerontology Nurse Practitioner providers in Pennsylvania
There are 587 gerontology nurse practitioner records in Pennsylvania.
All 587 in Pennsylvania → Every provider in Exton → Gerontology Nurse Practitioner nationwide →
The 8 gerontology nurse practitioner records with the nearest ZIP codes
- Julianna HoisingtonExton, PA 193411578388039
- Elizabeth Tacey, CRNPExton, PA 193411215309992
- John Fankmeni, A-GNPGlen Mills, PA 193421487370508
- Kapil Sharma, CRNPGlen Mills, PA 193421568394070
- Frances Pluchino, NPDowningtown, PA 193351275762353
- Christine Poppe, CRNP GNP-BCKennett Square, PA 193481689909889
- Ayanna SangsterKennett Square, PA 193481720842172
- Therese Narzikul, CRNPDevon, PA 193331518015676
Common questions
What is Melissa A. Callahan, CRNP's NPI number?
Melissa A. Callahan, CRNP's National Provider Identifier (NPI) is 1669411393, issued on Jun 6, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Melissa A. Callahan, CRNP located?
The NPPES record lists a practice address at 320 Exton Cmns, Exton, PA, 19341. Phone: (866) 268-6609. Providers update this record themselves, so call before visiting.
How can I verify Melissa A. Callahan, CRNP's license?
NPPES lists Pennsylvania license number TP006181H, as entered by the provider. Search the Pennsylvania board that licenses this profession; the NPPES record confirms identity only.
How much does Melissa A. Callahan, CRNP prescribe under Medicare Part D?
In 2024, Melissa A. Callahan, CRNP had 490 Medicare Part D claims for 88 beneficiaries; the average among gerontology nurse practitioner prescribers was 1,369. 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.