William A. Sonis, MD
Child & Adolescent Psychiatry Physician · Philadelphia, PA
William A. Sonis, MD is a child & adolescent psychiatry physician with a practice address in Philadelphia, Pennsylvania, and NPI 1538105473, issued on Jun 21, 2006. Check the license (Pennsylvania MD020105E, as entered in NPPES) on the Pennsylvania Department of State (PALS); the Medicare figures below come from public CMS files.
- Name
- William A. Sonis
- Credential
- MD
- Primary taxonomy
- Child & Adolescent Psychiatry Physician 2084P0804X
- License number
- MD020105E PA
Self-reported in NPPES; status is on the state search - Practice location
- 4641 Roosevelt Blvd, Philadelphia, PA 19124
- Phone
- (215) 831-4811
- Enumerated
- Jun 21, 2006
- Record last updated
- Aug 16, 2007 (not updated in 19 years: call before relying on the address or phone)
- Fax
- (215) 831-2603
- Entity
- Type 1 · individual
8 nearest child & adolescent psychiatry physician records → All 398 in Pennsylvania → Look up another NPI →
Also registered at 4641 Roosevelt Blvd
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Umair Akhtar, M.D.Psychiatry Physician1104098102
- Holly Albaugh, LSWSocial Worker1518583426
- Paul Ambrosini, MDPsychiatry Physician1700828506
- Theresa AngeliPediatric Physical Therapist1326111469
- Brittany ArnaoSocial Worker1700401809
- Brooks Aylor, LSWClinical Social Worker1306229273
Verify William A. Sonis in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersPennsylvania Department of State (PALS)
Search for license MD020105ECheck the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
98% fewer Medicare Part D claims than the average child & adolescent psychiatry physician in 2024
12 Medicare Part D claims, against an average of 504 among the 3,545 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.
William A. Sonis among 398 child & adolescent psychiatry physician records in Pennsylvania
William A. Sonis, MD is one of 398 child & adolescent psychiatry physician records with a practice address in Pennsylvania. 57% 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 5% of them.
- NPI issued2006 · 5% of these records are older, 70% newer
- In a Medicare fileYes · 57% of these records are
- In the CMS Doctors and Clinicians fileNo · 29% of these records are
- Record last updated2007 · 58% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2084P0804X and a Pennsylvania practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Child & Adolescent Psychiatry Physician providers in Pennsylvania
There are 398 child & adolescent psychiatry physician records in Pennsylvania.
All 398 in Pennsylvania → Every provider in Philadelphia → Child & Adolescent Psychiatry Physician nationwide →
The 8 child & adolescent psychiatry physician records with the nearest ZIP codes
- Mary Anne Delaney, MDPhiladelphia, PA 191241841234374
- Krystine Carter, M.D.Philadelphia, PA 191251831499706
- Kristina Diane Cowper, D.O.Philadelphia, PA 191251083094494
- Eswar Dayanandam, M.DPhiladelphia, PA 191251871875252
- Anne Frederickson, MDPhiladelphia, PA 191251629259288
- Mohammad Khan, M.D.Philadelphia, PA 191251073824017
- Hephsibah LoebPhiladelphia, PA 191251144754102
- Thomas Wind, D.O.Philadelphia, PA 191291508982265
Common questions
What is William A. Sonis, MD's NPI number?
William A. Sonis, MD's National Provider Identifier (NPI) is 1538105473, issued on Jun 21, 2006. An NPI identifies a provider in billing; it is not a license.
Where is William A. Sonis, MD located?
The NPPES record lists a practice address at 4641 Roosevelt Blvd, Philadelphia, PA, 19124. Phone: (215) 831-4811. Providers update this record themselves, so call before visiting.
How can I verify William A. Sonis, MD's license?
NPPES lists Pennsylvania license number MD020105E, 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 A. Sonis, MD prescribe under Medicare Part D?
In 2024, William A. Sonis, MD had 12 Medicare Part D claims; the average among child & adolescent psychiatry physician prescribers was 504. 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.