Allyson Michele Haas, DO
Hospitalist Physician · Danville, PA
Allyson Michele Haas, DO is a hospitalist physician with a practice address in Danville, Pennsylvania, and NPI 1497384911, issued on Apr 6, 2020. Check the license (Pennsylvania OS022755, as entered in NPPES) on the Pennsylvania Department of State (PALS); the Medicare figures below come from public CMS files.
- Name
- Allyson Michele Haas
- Credential
- DO
- Primary taxonomy
- Hospitalist Physician 208M00000X
- License number
- OS022755 PA
Self-reported in NPPES; status is on the state search - Practice location
- Geisinger Medical Center 100 North Academy Avenue, Danville, PA 17822
- Phone
- (570) 271-6211
- Enumerated
- Apr 6, 2020
- Record last updated
- Aug 8, 2023
- Medicare enrollment
- Enrolled (PECOS I20230705000509); accepts Medicare assignment
- Medical or professional school
- New York College Of Osteo Medicine Of New York Institute Of Technology, 2020
- Entity
- Type 1 · individual
8 nearest hospitalist physician records → All 1,424 in Pennsylvania → Look up another NPI →
Also registered at Geisinger Medical Center 100 North Academy Avenue
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Megan Barclay, PSYDPsychologist1457813263
- Alexis BowersStudent in an Organized Health Care Education/Training Program1750910915
- Christopher CardilloEmergency Medicine Physician1831694801
- Carlos Estrada Velez, M.D.Internal Medicine Physician1205009099
Verify Allyson Michele Haas in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersPennsylvania Department of State (PALS)
Search for license OS022755Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
74% fewer Medicare Part D claims than the average hospitalist physician in 2024
136 Medicare Part D claims for 65 beneficiaries, against an average of 521 among the 21,613 providers of this specialty who prescribed in Part D.
Most prescribed
- Amoxicillin-Clavulanate Potass12 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 one group practice
- Geisinger ClinicDanville, PA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Allyson Michele Haas among 1,424 hospitalist physician records in Pennsylvania
Allyson Michele Haas, DO is one of 1,424 hospitalist physician records with a practice address in Pennsylvania. 94% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2020, is newer than 83% of them.
- NPI issued2020 · 83% of these records are older, 11% newer
- In a Medicare fileYes · 94% of these records are
- In the CMS Doctors and Clinicians fileYes · 87% of these records are
- Graduated2020 · median 2011 among the 1,236 with a school on file
- Record last updated2023 · 36% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 208M00000X and a Pennsylvania practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
94 hospitalist physician records list a practice address in Danville
They are 94 of the 3,116 NPPES records with a practice address in Danville, and 1,424 hospitalist physician records in Pennsylvania.
All 1,424 in Pennsylvania → Every provider in Danville → Hospitalist Physician nationwide →
The 8 hospitalist physician records with the nearest ZIP codes
- Juan Baracaldo, MDDanville, PA 178221023276680
- John Bulger, D.O.Danville, PA 178221730154782
- Mary Cruciani, M.D.Danville, PA 178221780650085
- Lauren Dimarino, D.O.Danville, PA 178221962660977
- Joel Elzweig, MDDanville, PA 178221790951895
- Bradley Flansbaum, DO, MPHDanville, PA 178221063455798
- Robert Gotoff, M.D.Danville, PA 178221679541791
- Benjamin Hohmuth, M.D.Danville, PA 178221508822081
Common questions
What is Allyson Michele Haas, DO's NPI number?
Allyson Michele Haas, DO's National Provider Identifier (NPI) is 1497384911, issued on Apr 6, 2020. An NPI identifies a provider in billing; it is not a license.
Where is Allyson Michele Haas, DO located?
The NPPES record lists a practice address at Geisinger Medical Center 100 North Academy Avenue, Danville, PA, 17822. Phone: (570) 271-6211. Providers update this record themselves, so call before visiting.
How can I verify Allyson Michele Haas, DO's license?
NPPES lists Pennsylvania license number OS022755, 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 Allyson Michele Haas, DO prescribe under Medicare Part D?
In 2024, Allyson Michele Haas, DO had 136 Medicare Part D claims for 65 beneficiaries; the average among hospitalist physician prescribers was 521. 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.