William Barrett Haynos, MD
Cardiovascular Disease Physician · Danville, PA
William Barrett Haynos, MD is a cardiovascular disease physician with a practice address in Danville, Pennsylvania, and NPI 1093786923, issued on Jan 30, 2006. Check the license (Pennsylvania MD441895, as entered in NPPES) on the Pennsylvania Department of State (PALS); the Medicare figures below come from public CMS files.
- Name
- William Barrett Haynos
- Credential
- MD
- Primary taxonomy
- Cardiovascular Disease Physician 207RC0000X
- License numbers
- MD441895 PA
D0063871 MD
Self-reported in NPPES; status is on the state search - Practice location
- 100 N Academy Ave, Danville, PA 17822
- Phone
- (570) 271-6523
- Enumerated
- Jan 30, 2006
- Record last updated
- Aug 10, 2020 (not updated in 6 years: call before relying on the address or phone)
- Fax
- (570) 271-8056
- Medicare enrollment
- Enrolled (PECOS I20110509000549); accepts Medicare assignment
- Medical or professional school
- Howard University College Of Medicine, 1998
- Entity
- Type 1 · individual
8 nearest cardiovascular disease physician records → All 1,476 in Pennsylvania → Look up another NPI →
Also registered at 100 N Academy Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Paige AaronStudent in an Organized Health Care Education/Training Program1730976218
- Zainab AbdulhuseinGeneral Practice Dentistry1851108419
- Kristin AblineRegistered Nurse1174368757
- Clara Abouelsaad, DOStudent in an Organized Health Care Education/Training Program1013610062
- Dana Achenbach, PHARMDPharmacist1528612975
- Maisa AdamAnatomic Pathology & Clinical Pathology Physician1568306512
Verify William Barrett Haynos in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersPennsylvania Department of State (PALS)
Search for license MD441895Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
25% fewer Medicare Part D claims than the average cardiovascular disease physician in 2024
2,312 Medicare Part D claims for 363 beneficiaries, against an average of 3,078 among the 20,728 providers of this specialty who prescribed in Part D. Brand-name drugs were 20% of claims.
Most prescribed
- Metoprolol Succinate330 claims
- Eliquis219 claims
- Atorvastatin Calcium205 claims
- Metoprolol Tartrate125 claims
- Furosemide113 claims
- Lisinopril106 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
- Geisinger ClinicLock Haven, PA
- Geisinger-HM Joint Venture LLCMontoursville, PA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
William Barrett Haynos among 1,476 cardiovascular disease physician records in Pennsylvania
William Barrett Haynos, MD is one of 1,476 cardiovascular disease physician records with a practice address in Pennsylvania. 85% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 20% of them.
- NPI issued2006 · 20% of these records are older, 45% newer
- In a Medicare fileYes · 85% of these records are
- In the CMS Doctors and Clinicians fileYes · 68% of these records are
- Graduated1998 · median 2000 among the 1,003 with a school on file
- Record last updated2020 · 62% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RC0000X and a Pennsylvania practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
45 cardiovascular disease physician records list a practice address in Danville
They are 45 of the 3,116 NPPES records with a practice address in Danville, and 1,476 cardiovascular disease physician records in Pennsylvania.
All 1,476 in Pennsylvania → Every provider in Danville → Cardiovascular Disease Physician nationwide →
The 8 cardiovascular disease physician records with the nearest ZIP codes
- Joyce Burnside, M.D.Danville, PA 178221568437457
- Richard Butcher, M.D.Danville, PA 178221639144520
- Henry Fesniak, M.D.Danville, PA 178221174590277
- Thomas Harrison, M.D.Danville, PA 178221205805983
- Farrukh Khan, MDDanville, PA 178221871594077
- Louis Nassef, M.D.Danville, PA 178221659334548
- Jess Oren, M.D.Danville, PA 178221114980901
- John Pfeifer, M.D.Danville, PA 178221104845395
Common questions
What is William Barrett Haynos, MD's NPI number?
William Barrett Haynos, MD's National Provider Identifier (NPI) is 1093786923, issued on Jan 30, 2006. An NPI identifies a provider in billing; it is not a license.
Where is William Barrett Haynos, MD located?
The NPPES record lists a practice address at 100 N Academy Ave, Danville, PA, 17822. Phone: (570) 271-6523. Providers update this record themselves, so call before visiting.
How can I verify William Barrett Haynos, MD's license?
NPPES lists Pennsylvania license number MD441895, 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 William Barrett Haynos, MD prescribe under Medicare Part D?
In 2024, William Barrett Haynos, MD had 2,312 Medicare Part D claims for 363 beneficiaries; the average among cardiovascular disease physician prescribers was 3,078. 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.