Isela Werchan, M.D.
Addiction Medicine (Preventive Medicine) Physician · Austin, TX
Isela Werchan, M.D. is an addiction medicine (preventive medicine) physician with a practice address in Austin, Texas, and NPI 1952664427, issued on Jun 20, 2012. Check the license (Texas Q6480, as entered in NPPES) on the Texas Medical Board; the Medicare figures below come from public CMS files.
- Name
- Isela Werchan
- Credential
- M.D.
- Primary taxonomy
- Addiction Medicine (Preventive Medicine) Physician 2083A0300X
- License number
- Q6480 TX
Self-reported in NPPES; status is on the state search - Practice location
- 601 E 15TH St, Austin, TX 78701
- Phone
- (512) 324-2000
- Enumerated
- Jun 20, 2012
- Entity
- Type 1 · individual
Also registered at 601 E 15TH St
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Isela Werchan in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersTexas Medical Board
Search for license Q6480Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS, AOA, NCCPA, AANPNot checked
96% fewer Medicare Part D claims than the average addiction medicine (preventive medicine) physician in 2024
39 Medicare Part D claims, against an average of 929 among the 254 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of 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.
Addiction Medicine (Preventive Medicine) Physician providers in Texas
There are 12 addiction medicine (preventive medicine) physician records in Texas.
Other addiction medicine (preventive medicine) physician records in Texas
- Aldo Andino, M.D.Dallas, TX1366882110
- Adam Bruggeman, M.D.San Antonio, TX1316160625
- Jorge Guevara, MDBrownsville, TX1629040654
- Christopher Gulde, M.D.San Antonio, TX1649397647
- Neelofar Lalani, M.D.Carrollton, TX1790097988
- Satish Narayan, MDPlano, TX1194787200
- Thomas Nelson, D.O.Fort Worth, TX1922102060
- Jessica Ramsey Robbins, MDGrand Prairie, TX1801018379
- Courtney Roberts, LVNTyler, TX1093485203
- Victor Romo, M.D.San Antonio, TX1043471469
Common questions
What is Isela Werchan, M.D.'s NPI number?
Isela Werchan, M.D.'s National Provider Identifier (NPI) is 1952664427, issued on Jun 20, 2012. An NPI identifies a provider in billing; it is not a license.
Where is Isela Werchan, M.D. located?
The NPPES record lists a practice address at 601 E 15TH St, Austin, TX, 78701. Phone: (512) 324-2000. Providers update this record themselves, so call before visiting.
How can I verify Isela Werchan, M.D.'s license?
NPPES lists Texas license number Q6480, as entered by the provider. Search the Texas Medical Board at https://profile.tmb.state.tx.us/Search.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Isela Werchan, M.D. prescribe under Medicare Part D?
In 2024, Isela Werchan, M.D. had 39 Medicare Part D claims; the average among addiction medicine (preventive medicine) physician prescribers was 929. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), loaded Aug 27, 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.
Every figure on PlainDoctor is rendered directly from the federal CMS NPPES registry, Medicare Part D, MIPS, and Open Payments records, no number is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 27, 2026.