Robert Thiel, MD
Dermatology Physician · San Diego, CA
Robert Thiel, MD is a dermatology physician with a practice address in San Diego, California, and NPI 1316514607, issued on Jun 7, 2021. Check the license (California A201135, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Robert Thiel
- Credential
- MD
- Primary taxonomy
- Dermatology Physician 207N00000X
- License number
- A201135 CA
Self-reported in NPPES; status is on the state search - Practice location
- 9339 Genesee Ave Ste 350, San Diego, CA 92121
- Phone
- (858) 454-4300
- Enumerated
- Jun 7, 2021
- Record last updated
- Jun 19, 2025
- Fax
- (858) 454-5088
- Medicare enrollment
- Enrolled (PECOS I20250424001888); accepts Medicare assignment
- Medical or professional school
- Saint Louis University School Of Medicine, 2021
- Entity
- Type 1 · individual
Also registered at 9339 Genesee Ave Ste 350
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Monica Boen, M.D.Dermatology Physician1508203563
- Michael Hamman, MDMOHS-Micrographic Surgery Physician1538346911
Verify Robert Thiel in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A201135Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS, AOA, NCCPA, AANPNot checked
13% fewer Medicare Part D claims than the average dermatology physician in 2024
694 Medicare Part D claims for 209 beneficiaries, against an average of 797 among the 12,802 providers of this specialty who prescribed in Part D. Brand-name drugs were 13% of claims.
Most prescribed
- Triamcinolone Acetonide95 claims
- Clobetasol Propionate63 claims
- Ketoconazole46 claims
- Hydrocortisone38 claims
- Doxycycline Hyclate36 claims
- Dupixent Syringe35 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
- J Robert West MD IncSan Diego, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Dermatology Physician providers in California
There are 2,083 dermatology physician records in California.
Other dermatology physician records in California
- Sam Abaza, M.D.Diamond Bar, CA1831148501
- Farah Abdulla, MDDuarte, CA1093934390
- Robert Abergel, M.D.Santa Monica, CA1841565843
- Karen Abisogun, MDLos Angeles, CA1124474515
- Glynis Ablon, M.D.Manhattan Beach, CA1144292889
- Arthur Abrams, MDMountain View, CA1518093178
- Payam Abrishami, MDAgoura Hills, CA1447288147
- Aseel Abu-NasserRedding, CA1609641711
- Rachel Abuav, M.D.Beverly Hills, CA1356481733
- Boya Abudu, MD, MPHSacramento, CA1336608637
Common questions
What is Robert Thiel, MD's NPI number?
Robert Thiel, MD's National Provider Identifier (NPI) is 1316514607, issued on Jun 7, 2021. An NPI identifies a provider in billing; it is not a license.
Where is Robert Thiel, MD located?
The NPPES record lists a practice address at 9339 Genesee Ave Ste 350, San Diego, CA, 92121. Phone: (858) 454-4300. Providers update this record themselves, so call before visiting.
How can I verify Robert Thiel, MD's license?
NPPES lists California license number A201135, 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.
How much does Robert Thiel, MD prescribe under Medicare Part D?
In 2024, Robert Thiel, MD had 694 Medicare Part D claims for 209 beneficiaries; the average among dermatology physician prescribers was 797. 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.