Allison Chan, DO
Emergency Medicine Physician · Lititz, PA
Allison Chan, DO is an emergency medicine physician with a practice address in Lititz, Pennsylvania, and NPI 1538421078, issued on Jun 11, 2012. Check the license (Pennsylvania OS018201, as entered in NPPES) on the Pennsylvania Department of State (PALS); the Medicare figures below come from public CMS files.
- Name
- Allison Chan
- Credential
- DO
- Primary taxonomy
- Emergency Medicine Physician 207P00000X
- License numbers
- OS018201 PA
OT014663 PA
Self-reported in NPPES; status is on the state search - Practice location
- 1500 Highlands Dr, Lititz, PA 17543
- Phone
- (717) 988-0000
- Enumerated
- Jun 11, 2012
- Record last updated
- Jan 16, 2021 (not updated in 5 years: call before relying on the address or phone)
- Fax
- (717) 782-5716
- Medicare enrollment
- Enrolled (PECOS I20160721000737); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest emergency medicine physician records → All 3,911 in Pennsylvania → Look up another NPI →
Also registered at 1500 Highlands Dr
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Jennifer Aletras, RDRegistered Dietitian1700912516
- Colin Allen, DOStudent in an Organized Health Care Education/Training Program1528861325
- Stephanie Ashton, PA-CPhysician Assistant1285871590
Verify Allison Chan in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersPennsylvania Department of State (PALS)
Search for license OS018201Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
51% fewer Medicare Part D claims than the average emergency medicine physician in 2024
111 Medicare Part D claims for 83 beneficiaries, against an average of 226 among the 54,106 providers of this specialty who prescribed in Part D.
Most prescribed
- Prednisone20 claims
- Amoxicillin-Clavulanate Potass13 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.
Bills Medicare through 2 group practices
- Pinnacle Health Emergency Department Services, LLCLititz, PA
- Pinnacle Health Medical ServicesHarrisburg, PA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Allison Chan among 3,911 emergency medicine physician records in Pennsylvania
Allison Chan, 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 2012, is newer than 52% of them.
- NPI issued2012 · 52% of these records are older, 45% newer
- In a Medicare fileYes · 82% of these records are
- In the CMS Doctors and Clinicians fileYes · 57% of these records are
- Graduated2012 · median 2013 among the 2,231 with a school on file
- Record last updated2021 · 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).
Emergency Medicine Physician providers in Pennsylvania
There are 3,911 emergency medicine physician records in Pennsylvania.
All 3,911 in Pennsylvania → Every provider in Lititz → Emergency Medicine Physician nationwide →
The 8 emergency medicine physician records with the nearest ZIP codes
- Mark Bates, MDLititz, PA 175431396784435
- Clifford CataniaLititz, PA 175431215976063
- Christine Dang, M.D.Lititz, PA 175431659561009
- Trudie Ellenberger, D.O.Lititz, PA 175431174573737
- Robert Kraus, MDLititz, PA 175431356380042
- Christopher Lyon, DOLititz, PA 175431073187456
- Barry Spector, M.D.Lititz, PA 175431184667677
- Adam Batog, DOEphrata, PA 175221871906347
Common questions
What is Allison Chan, DO's NPI number?
Allison Chan, DO's National Provider Identifier (NPI) is 1538421078, issued on Jun 11, 2012. An NPI identifies a provider in billing; it is not a license.
Where is Allison Chan, DO located?
The NPPES record lists a practice address at 1500 Highlands Dr, Lititz, PA, 17543. Phone: (717) 988-0000. Providers update this record themselves, so call before visiting.
How can I verify Allison Chan, DO's license?
NPPES lists Pennsylvania license number OS018201, 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.
How much does Allison Chan, DO prescribe under Medicare Part D?
In 2024, Allison Chan, DO had 111 Medicare Part D claims for 83 beneficiaries; the average among emergency medicine physician prescribers was 226. 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.