William G. Schwark, MD
Anesthesiology Physician · Phoenix, AZ
William G. Schwark, MD is an anesthesiology physician with a practice address in Phoenix, Arizona, and NPI 1063419661, issued on Jun 28, 2005. Check the license (Arizona 11875, as entered in NPPES) on the Arizona Medical Board; the federal record below is the public data PlainDoctor holds for this provider.
- Name
- William G. Schwark
- Credential
- MD
- Primary taxonomy
- Anesthesiology Physician 207L00000X
- License number
- 11875 AZ
Self-reported in NPPES; status is on the state search - Practice location
- 19636 N 27TH Ave, Phoenix, AZ 85022
- Phone
- (480) 609-9300
- Enumerated
- Jun 28, 2005
- Record last updated
- Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
- Fax
- (480) 609-9350
- Entity
- Type 1 · individual
8 nearest anesthesiology physician records → All 1,473 in Arizona → Look up another NPI →
Also registered at 19636 N 27TH Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Jeffrey Hull, DOAnesthesiology Physician1184604332
Verify William G. Schwark in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersArizona Medical Board
Search for license 11875Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
William G. Schwark among 1,473 anesthesiology physician records in Arizona
William G. Schwark, MD is one of 1,473 anesthesiology physician records with a practice address in Arizona. 73% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does not. Its NPI, issued in 2005, is newer than 0% of them.
- NPI issued2005 · 0% of these records are older, 84% newer
- In a Medicare fileNo · 73% of these records are
- In the CMS Doctors and Clinicians fileNo · 67% of these records are
- Record last updated2007 · 60% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207L00000X and a Arizona practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
602 anesthesiology physician records list a practice address in Phoenix
They are 602 of the 31,399 NPPES records with a practice address in Phoenix, and 1,473 anesthesiology physician records in Arizona. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.
All 1,473 in Arizona → Every provider in Phoenix → Anesthesiology Physician nationwide →
The 8 anesthesiology physician records with the nearest ZIP codes
- Bruce Brown, MDPhoenix, AZ 850221558360768
- Jeffrey Hull, DOPhoenix, AZ 850221184604332
- Scott Lundgren, D.O.Phoenix, AZ 850221225011315
- S Brown, MDPhoenix, AZ 850211336118637
- Thomas Groves, MDPhoenix, AZ 850211750356549
- Jeffrey Katz, M.D.Phoenix, AZ 850211275512352
- Sharlet Murad, MDPhoenix, AZ 850211881623072
- Raymond Nierva, MDPhoenix, AZ 850211326179003
Common questions
What is William G. Schwark, MD's NPI number?
William G. Schwark, MD's National Provider Identifier (NPI) is 1063419661, issued on Jun 28, 2005. An NPI identifies a provider in billing; it is not a license.
Where is William G. Schwark, MD located?
The NPPES record lists a practice address at 19636 N 27TH Ave, Phoenix, AZ, 85022. Phone: (480) 609-9300. Providers update this record themselves, so call before visiting.
How can I verify William G. Schwark, MD's license?
NPPES lists Arizona license number 11875, as entered by the provider. Search the Arizona Medical Board at https://www.azmd.gov/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. 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.