Alexandra Paige Diller, DO
Emergency Medicine Physician · Hershey, PA
Alexandra Paige Diller, DO is an emergency medicine physician with a practice address in Hershey, Pennsylvania, and NPI 1386179596, issued on Apr 25, 2017. Check the license (Pennsylvania OS021177, as entered in NPPES) on the Pennsylvania Department of State (PALS); the Medicare figures below come from public CMS files.
- Name
- Alexandra Paige Diller
- Credential
- DO
- Primary taxonomy
- Emergency Medicine Physician 207P00000X
- License number
- OS021177 PA
Self-reported in NPPES; status is on the state search - Practice location
- Penn State Health Milton S Hershey Medical Center Emerg, Hershey, PA 17033
- Phone
- (800) 243-1455
- Enumerated
- Apr 25, 2017
- Record last updated
- May 19, 2025
- Fax
- (717) 531-4587
- Medicare enrollment
- Enrolled (PECOS I20210623001206); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest emergency medicine physician records → All 3,911 in Pennsylvania → Look up another NPI →
Verify Alexandra Paige Diller in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersPennsylvania Department of State (PALS)
Search for license OS021177Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
The practice group's MIPS final score for 2023 (Medicare payment program): 71.8 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Bills Medicare through one group practice
- The Milton S Hershey Medical Center Physicians GroupHershey, PA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Alexandra Paige Diller among 3,911 emergency medicine physician records in Pennsylvania
Alexandra Paige Diller, DO is one of 3,911 emergency medicine physician records with a practice address in Pennsylvania. 82% 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 68% of them.
- NPI issued2017 · 68% of these records are older, 29% newer
- In a Medicare fileYes · 82% of these records are
- In the CMS Doctors and Clinicians fileYes · 57% of these records are
- Graduated2017 · median 2013 among the 2,231 with a school on file
- Record last updated2025 · 51% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207P00000X and a Pennsylvania practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
104 emergency medicine physician records list a practice address in Hershey
They are 104 of the 3,972 NPPES records with a practice address in Hershey, and 3,911 emergency medicine physician records in Pennsylvania.
All 3,911 in Pennsylvania → Every provider in Hershey → Emergency Medicine Physician nationwide →
The 8 emergency medicine physician records with the nearest ZIP codes
- J Allen, DOHershey, PA 170331760440762
- Daniel Ammons, MDHershey, PA 170331881652006
- Christopher Deflitch, MDHershey, PA 170331134187354
- Michelle Fischer, M.D., M.P.H.Hershey, PA 170331134193881
- Manuel Hernandez, MDHershey, PA 170331134109408
- Sandra Herr, MDHershey, PA 170331306821467
- Cecil Holliman, MDHershey, PA 170331881652873
- Lawrence Kass, MDHershey, PA 170331487612602
Common questions
What is Alexandra Paige Diller, DO's NPI number?
Alexandra Paige Diller, DO's National Provider Identifier (NPI) is 1386179596, issued on Apr 25, 2017. An NPI identifies a provider in billing; it is not a license.
Where is Alexandra Paige Diller, DO located?
The NPPES record lists a practice address at Penn State Health Milton S Hershey Medical Center Emerg, Hershey, PA, 17033. Phone: (800) 243-1455. Providers update this record themselves, so call before visiting.
How can I verify Alexandra Paige Diller, DO's license?
NPPES lists Pennsylvania license number OS021177, as entered by the provider. Search the Pennsylvania Department of State (PALS) at https://www.pals.pa.gov/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
What is Alexandra Paige Diller, DO's MIPS final score?
The 2023 MIPS final score is 71.8 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.
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.