Aaron Daniel Tward, M.D. PH.D.
Otolaryngology Physician · San Francisco, CA
Aaron Daniel Tward, M.D. PH.D. is an otolaryngology physician with a practice address in San Francisco, California, and NPI 1194921205, issued on Jun 25, 2007. Check the license (California A133557, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Aaron Daniel Tward
- Credential
- M.D. PH.D.
- Primary taxonomy
- Otolaryngology Physician 207Y00000X
- License numbers
- A133557 CA
BB5204071-AT61 MA
Self-reported in NPPES; status is on the state search - Practice location
- 2233 Post St, San Francisco, CA 94115
- Phone
- (617) 353-2757
- Enumerated
- Jun 25, 2007
- Record last updated
- Jun 22, 2026
- Medicare enrollment
- Enrolled (PECOS I20150305002214); accepts Medicare assignment
- Medical or professional school
- University Of California, San Francisco School Of Medicine, 2007
- Entity
- Type 1 · individual
8 nearest otolaryngology physician records → All 1,212 in California → Look up another NPI →
Also registered at 2233 Post St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Maura Granados Duncan, FNPFamily Nurse Practitioner1063027118
- Chase HeatonOtolaryngology Physician1063748911
- Isaac Solomon, MDStudent in an Organized Health Care Education/Training Program1730930652
- Yuly Vilderman, DDSDentist1760601173
- Nonna Volfson, DDSGeneral Practice Dentistry1508088360
Verify Aaron Daniel Tward in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A133557Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Industry payments in 2024: $77.34
1 payment: food and beverage; the largest payer was iotaMotion, Inc. The 6,429 providers of this specialty with any payment received $1,922.50 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through 2 group practices
- Ucsf Medical Group Business ServicesSan Francisco, CA
- University OF California San FranciscoSan Francisco, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Aaron Daniel Tward among 1,212 otolaryngology physician records in California
Aaron Daniel Tward, M.D. PH.D. is one of 1,212 otolaryngology physician records with a practice address in California. 80% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2007, is newer than 48% of them.
- NPI issued2007 · 48% of these records are older, 42% newer
- In a Medicare fileYes · 80% of these records are
- In the CMS Doctors and Clinicians fileYes · 67% of these records are
- Graduated2007 · median 2004 among the 818 with a school on file
- Record last updated2026 · 63% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207Y00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Otolaryngology Physician providers in California
There are 1,212 otolaryngology physician records in California.
All 1,212 in California → Every provider in San Francisco → Otolaryngology Physician nationwide →
The 8 otolaryngology physician records with the nearest ZIP codes
- Jolie Chang, M.D.San Francisco, CA 941151083856967
- Jonathan George, M.D.San Francisco, CA 941151437485166
- Sumeer Gupta, MDSan Francisco, CA 941151023196698
- Chase HeatonSan Francisco, CA 941151063748911
- Salvatore Iaquinta, MDSan Francisco, CA 941151215009972
- James Klein, MDSan Francisco, CA 941151225126998
- Charles Limb, M.D.San Francisco, CA 941151780629717
- Edward Manace, M.D.San Francisco, CA 941151881769479
Common questions
What is Aaron Daniel Tward, M.D. PH.D.'s NPI number?
Aaron Daniel Tward, M.D. PH.D.'s National Provider Identifier (NPI) is 1194921205, issued on Jun 25, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Aaron Daniel Tward, M.D. PH.D. located?
The NPPES record lists a practice address at 2233 Post St, San Francisco, CA, 94115. Phone: (617) 353-2757. Providers update this record themselves, so call before visiting.
How can I verify Aaron Daniel Tward, M.D. PH.D.'s license?
NPPES lists California license number A133557, as entered by the provider. Search the Medical Board of California at https://www.mbc.ca.gov/License-Verification/default.aspx. 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. 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.