Callista O'Brien, PA-C
Physician Assistant · Temple, PA
Callista O'Brien, PA-C is a physician assistant with a practice address in Temple, Pennsylvania, and NPI 1023848140, issued on Aug 5, 2024. Check the license (Pennsylvania MA065644, as entered in NPPES) with the Pennsylvania board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Callista O'Brien
- Credential
- PA-C
- Primary taxonomy
- Physician Assistant 363A00000X
- License number
- MA065644 PA
Self-reported in NPPES; status is on the state search - Practice location
- 4301 5TH Street Hwy, Temple, PA 19560
- Phone
- (610) 208-8801
- Enumerated
- Aug 5, 2024
- Record last updated
- Aug 5, 2024
- Medicare enrollment
- Enrolled (PECOS I20240909000512); accepts Medicare assignment
- Entity
- Type 1 · individual
Also registered at 4301 5TH Street Hwy
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Heather LampronNurse Practitioner1487005112
- Victoria Stella, MDFamily Medicine Physician1578678884
Verify Callista O'Brien in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Pennsylvania board licenses this profession
Search for license MA065644Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
97% fewer Medicare Part D claims than the average physician assistant in 2024
22 Medicare Part D claims for 12 beneficiaries, against an average of 830 among the 101,058 providers of this specialty who prescribed in Part D.
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
- St Joseph Medical GroupReading, PA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
5 physician assistant records list a practice address in Temple
They are 5 of the 53 NPPES records with a practice address in Temple, and 8,020 physician assistant records in Pennsylvania.
All 5 in Temple → All 8,020 in Pennsylvania → Every provider in Temple →
Other physician assistant records in Pennsylvania
- Matthew AbadLansdowne, PA1720113350
- Ariane Abadi, PA-CPhiladelphia, PA1619641685
- Rama Abbireddy, PABethlehem, PA1912887555
- Marianne Abdalah, PASewickley, PA1346088473
- Donia Abdalla, MMSC, PA-CHarrisburg, PA1164376851
- Raneem Abdelaziz, PA-CQuakertown, PA1003764713
- Safiyya Abdul-Ghani, PAOaks, PA1689904161
- Lauren Abdul-Malak, PAAbington, PA1083196117
- Katherine Abel, PA-CSteelton, PA1972944437
- Mark Abel, PA-CSouth Abington Township, PA1710131610
Common questions
What is Callista O'Brien, PA-C's NPI number?
Callista O'Brien, PA-C's National Provider Identifier (NPI) is 1023848140, issued on Aug 5, 2024. An NPI identifies a provider in billing; it is not a license.
Where is Callista O'Brien, PA-C located?
The NPPES record lists a practice address at 4301 5TH Street Hwy, Temple, PA, 19560. Phone: (610) 208-8801. Providers update this record themselves, so call before visiting.
How can I verify Callista O'Brien, PA-C's license?
NPPES lists Pennsylvania license number MA065644, as entered by the provider. Search the Pennsylvania board that licenses this profession; the NPPES record confirms identity only.
How much does Callista O'Brien, PA-C prescribe under Medicare Part D?
In 2024, Callista O'Brien, PA-C had 22 Medicare Part D claims for 12 beneficiaries; the average among physician assistant prescribers was 830. 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.