Courtney A. Hammerstone, PA
Medical Physician Assistant · Allentown, PA
Courtney A. Hammerstone, PA is a medical physician assistant with a practice address in Allentown, Pennsylvania, and NPI 1588182935, issued on Sep 6, 2017. Check the license (Pennsylvania MA059336, as entered in NPPES) with the Pennsylvania board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Courtney A. Hammerstone
- Credential
- PA
- Primary taxonomy
- Medical Physician Assistant 363AM0700X
- License number
- MA059336 PA
Self-reported in NPPES; status is on the state search - Practice location
- 1200 S Cedar Crest Blvd, Allentown, PA 18103
- Phone
- (610) 402-5369
- Enumerated
- Sep 6, 2017
- Record last updated
- Mar 30, 2020 (not updated in 6 years: call before relying on the address or phone)
- Fax
- (610) 402-5959
- Medicare enrollment
- Enrolled (PECOS I20171109002768); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest medical physician assistant records → All 3,897 in Pennsylvania → Look up another NPI →
Also registered at 1200 S Cedar Crest Blvd
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Courtney A. Hammerstone in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Pennsylvania board licenses this profession
Search for license MA059336Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
92% fewer Medicare Part D claims than the average medical physician assistant in 2024
95 Medicare Part D claims for 55 beneficiaries, against an average of 1,148 among the 23,801 providers of this specialty who prescribed in Part D. 14 claims were for opioids.
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.
Bills Medicare through one group practice
- Lehigh Valley Physician GroupAllentown, PA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Courtney A. Hammerstone among 3,897 medical physician assistant records in Pennsylvania
Courtney A. Hammerstone, PA is one of 3,897 medical physician assistant records with a practice address in Pennsylvania. 80% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2017, is newer than 64% of them.
- NPI issued2017 · 64% of these records are older, 32% newer
- In a Medicare fileYes · 80% of these records are
- In the CMS Doctors and Clinicians fileYes · 63% of these records are
- Graduated2017 · median 2015 among the 2,467 with a school on file
- Record last updated2020 · 53% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363AM0700X and a Pennsylvania practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
287 medical physician assistant records list a practice address in Allentown
They are 287 of the 5,904 NPPES records with a practice address in Allentown, and 3,897 medical physician assistant records in Pennsylvania.
All 3,897 in Pennsylvania → Every provider in Allentown → Medical Physician Assistant nationwide →
The 8 medical physician assistant records with the nearest ZIP codes
- Mandi Boone, PA-CAllentown, PA 181031962401950
- David Cederberg, PAAllentown, PA 181031720039654
- Jana Dieterich, PA-CAllentown, PA 181031265425623
- Jennifer Druck, PACAllentown, PA 181031013970896
- Tania Felegy, PACAllentown, PA 181031710973920
- Greta Flederbach, PACAllentown, PA 181031396794897
- Melissa Gaspar, PA-CAllentown, PA 181031982678546
- Archie Hartzell, P.A.Allentown, PA 181031902804164
Common questions
What is Courtney A. Hammerstone, PA's NPI number?
Courtney A. Hammerstone, PA's National Provider Identifier (NPI) is 1588182935, issued on Sep 6, 2017. An NPI identifies a provider in billing; it is not a license.
Where is Courtney A. Hammerstone, PA located?
The NPPES record lists a practice address at 1200 S Cedar Crest Blvd, Allentown, PA, 18103. Phone: (610) 402-5369. Providers update this record themselves, so call before visiting.
How can I verify Courtney A. Hammerstone, PA's license?
NPPES lists Pennsylvania license number MA059336, as entered by the provider. Search the Pennsylvania board that licenses this profession; the NPPES record confirms identity only.
How much does Courtney A. Hammerstone, PA prescribe under Medicare Part D?
In 2024, Courtney A. Hammerstone, PA had 95 Medicare Part D claims for 55 beneficiaries; the average among medical physician assistant prescribers was 1,148. 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.