Karen Tarm Guerrero, M.D.
Dermatology Physician · Live Oak, TX
Karen Tarm Guerrero, M.D. is a dermatology physician with a practice address in Live Oak, Texas, and NPI 1588670780, issued on Jul 31, 2006. Check the license (Texas Q6943, as entered in NPPES) on the Texas Medical Board; the Medicare figures below come from public CMS files.
- Name
- Karen Tarm Guerrero
- Credential
- M.D.
- Primary taxonomy
- Dermatology Physician 207N00000X
- License numbers
- Q6943 TX
04-31886 KS
Self-reported in NPPES; status is on the state search - Practice location
- 7832 Pat Booker RD, Live Oak, TX 78233
- Phone
- (210) 657-9338
- Enumerated
- Jul 31, 2006
- Record last updated
- Mar 20, 2018 (not updated in 8 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20160418001445); accepts Medicare assignment
- Medical or professional school
- Uniformed Services Uhs Fe Hebert School Of Med, 2004
- Entity
- Type 1 · individual
8 nearest dermatology physician records → All 1,172 in Texas → Look up another NPI →
Also registered at 7832 Pat Booker RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Daniel Wallis, M.D.Dermatology Physician1871957076
- Eric WillisDermatology Physician1477040038
Verify Karen Tarm Guerrero in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersTexas Medical Board
Search for license Q6943Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
26% more Medicare Part D claims than the average dermatology physician in 2024
1,007 Medicare Part D claims for 336 beneficiaries, against an average of 797 among the 12,802 providers of this specialty who prescribed in Part D. Brand-name drugs were 9% of claims.
Most prescribed
- Clobetasol Propionate132 claims
- Ketoconazole109 claims
- Triamcinolone Acetonide74 claims
- Doxycycline Monohydrate64 claims
- Doxycycline Hyclate57 claims
- Methotrexate37 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.
No measured MIPS final score for 2023
CMS assigned the neutral MIPS final score of 75 without scoring Quality, Cost, Promoting Interoperability or Improvement Activities. It is an administrative threshold, so PlainDoctor does not compare it with measured clinicians.
Source: CMS Quality Payment Program, MIPS performance year 2023; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $1,384.74
67 payments; by number, the most common kind was food and beverage; the largest payer was Abbvie Inc. The 10,250 providers of this specialty with any payment received $8,544.61 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
- Dermatology Associates OF San AntonioLive Oak, TX
- Epiphany Dermatology PALive Oak, TX
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Karen Tarm Guerrero among 1,172 dermatology physician records in Texas
Karen Tarm Guerrero, M.D. is one of 1,172 dermatology physician records with a practice address in Texas. 88% 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 10% of them.
- NPI issued2006 · 10% of these records are older, 63% newer
- In a Medicare fileYes · 88% of these records are
- In the CMS Doctors and Clinicians fileYes · 79% of these records are
- Graduated2004 · median 2008 among the 926 with a school on file
- Record last updated2018 · 48% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207N00000X and a Texas practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Dermatology Physician providers in Texas
There are 1,172 dermatology physician records in Texas.
All 1,172 in Texas → Every provider in Live Oak → Dermatology Physician nationwide →
The 8 dermatology physician records with the nearest ZIP codes
- Rinna Johnson, M.D.San Antonio, TX 782331104834456
- William Parsons, M.D.San Antonio, TX 782331811905417
- Daniel Wallis, M.D.Live Oak, TX 782331871957076
- Eric WillisLive Oak, TX 782331477040038
- Tracy Biediger, M.D.Fort Sam Houston, TX 782341639160468
- Paul Hahn, M.D.Fort Sam Houston, TX 782341679815625
- Rachel Limmer, MDSan Antonio, TX 782321760599054
- Bobby Limmer, MDSan Antonio, TX 782321508855628
Common questions
What is Karen Tarm Guerrero, M.D.'s NPI number?
Karen Tarm Guerrero, M.D.'s National Provider Identifier (NPI) is 1588670780, issued on Jul 31, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Karen Tarm Guerrero, M.D. located?
The NPPES record lists a practice address at 7832 Pat Booker RD, Live Oak, TX, 78233. Phone: (210) 657-9338. Providers update this record themselves, so call before visiting.
How can I verify Karen Tarm Guerrero, M.D.'s license?
NPPES lists Texas license number Q6943, 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 Karen Tarm Guerrero, M.D. prescribe under Medicare Part D?
In 2024, Karen Tarm Guerrero, M.D. had 1,007 Medicare Part D claims for 336 beneficiaries; the average among dermatology physician prescribers was 797. Part D covers Medicare prescriptions only.
What is Karen Tarm Guerrero, M.D.'s MIPS final score?
CMS assigned the neutral MIPS final score of 75 for 2023 without scoring any category, so it is not a measured result.
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.