Karla Anna Testa, M.D.
Family Medicine Physician · Wilmington, DE
Karla Anna Testa, M.D. is a family medicine physician with a practice address in Wilmington, Delaware, and NPI 1457518862, issued on May 22, 2008. Check the license (Delaware C1-0010006, as entered in NPPES) on the Delaware Board of Medical Licensure and Discipline; the Medicare figures below come from public CMS files.
- Name
- Karla Anna Testa
- Credential
- M.D.
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- C1-0010006 DE
Self-reported in NPPES; status is on the state search - Practice location
- 1802 W 4TH St, Wilmington, DE 19805
- Phone
- (302) 655-5822
- Enumerated
- May 22, 2008
- Record last updated
- Jan 14, 2021 (not updated in 5 years: call before relying on the address or phone)
- Fax
- (302) 652-2444
- Medicare enrollment
- Enrolled (PECOS I20120904000398); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 518 in Delaware → Look up another NPI →
Also registered at 1802 W 4TH St
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Karla Anna Testa in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersDelaware Board of Medical Licensure and Discipline
Search for license C1-0010006Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
64% fewer Medicare Part D claims than the average family medicine physician in 2024
1,279 Medicare Part D claims for 111 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. Brand-name drugs were 17% of claims. 20 claims were for opioids.
Most prescribed
- Atorvastatin Calcium143 claims
- Gabapentin68 claims
- Amlodipine Besylate45 claims
- Omeprazole45 claims
- Lisinopril43 claims
- Sertraline Hcl30 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 2 group practices
- Christiana Care Health Services IncWilmington, DE
- Westside Family Healthcare, Inc.Wilmington, DE
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Karla Anna Testa among 518 family medicine physician records in Delaware
Karla Anna Testa, M.D. is one of 518 family medicine physician records with a practice address in Delaware. 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 2008, is newer than 60% of them.
- NPI issued2008 · 60% of these records are older, 37% newer
- In a Medicare fileYes · 80% of these records are
- In the CMS Doctors and Clinicians fileYes · 62% of these records are
- Graduated2004 · median 2002 among the 323 with a school on file
- Record last updated2021 · 53% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207Q00000X and a Delaware practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
163 family medicine physician records list a practice address in Wilmington
They are 163 of the 6,291 NPPES records with a practice address in Wilmington, and 518 family medicine physician records in Delaware.
All 518 in Delaware → Every provider in Wilmington → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
- Hugh Bonner, MDWilmington, DE 198051699761288
- James Gill, MDWilmington, DE 198051982689212
- Camille Goodspeed, DOWilmington, DE 198051689673337
- David Hack, MDWilmington, DE 198051861401903
- Helen Karalis, D.O.Wilmington, DE 198051881650729
- David Krasner, D.O.Wilmington, DE 198051629017447
- Gene Lee, M.D.Wilmington, DE 198051669489092
- Brian McDonough, MDWilmington, DE 198051124037262
Common questions
What is Karla Anna Testa, M.D.'s NPI number?
Karla Anna Testa, M.D.'s National Provider Identifier (NPI) is 1457518862, issued on May 22, 2008. An NPI identifies a provider in billing; it is not a license.
Where is Karla Anna Testa, M.D. located?
The NPPES record lists a practice address at 1802 W 4TH St, Wilmington, DE, 19805. Phone: (302) 655-5822. Providers update this record themselves, so call before visiting.
How can I verify Karla Anna Testa, M.D.'s license?
NPPES lists Delaware license number C1-0010006, as entered by the provider. Search the Delaware Board of Medical Licensure and Discipline at https://delpros.delaware.gov/OH_VerifyLicense. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Karla Anna Testa, M.D. prescribe under Medicare Part D?
In 2024, Karla Anna Testa, M.D. had 1,279 Medicare Part D claims for 111 beneficiaries; the average among family medicine physician prescribers was 3,544. 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.