Katherine Matlock, D.O.
Family Medicine Physician · Largo, FL
Katherine Matlock, D.O. is a family medicine physician with a practice address in Largo, Florida, and NPI 1013229590, issued on Jul 13, 2010. Check the license (Florida OS11447, as entered in NPPES) on the Florida health license search; the Medicare figures below come from public CMS files.
- Name
- Katherine Matlock
- Credential
- D.O.
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- OS11447 FL
Self-reported in NPPES; status is on the state search - Practice location
- 12899 Walsingham RD, Largo, FL 33774
- Phone
- (727) 596-9490
- Enumerated
- Jul 13, 2010
- Record last updated
- Oct 18, 2022
- Fax
- (813) 635-7943
- Medicaid ID
- 016821100 FL
- Medicare enrollment
- Enrolled (PECOS I20130820000743); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 9,399 in Florida → Look up another NPI →
Also registered at 12899 Walsingham RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Nicole Price, NP-CFamily Nurse Practitioner1093186587
- Brandon Steinberg, M.D.Family Medicine Physician1902247596
Verify Katherine Matlock in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersFlorida health license search
Search for license OS11447Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
51% more Medicare Part D claims than the average family medicine physician in 2024
5,367 Medicare Part D claims for 511 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. Brand-name drugs were 10% of claims. 80 claims were for opioids.
Most prescribed
- Levothyroxine Sodium364 claims
- Atorvastatin Calcium312 claims
- Lisinopril264 claims
- Amlodipine Besylate227 claims
- Pravastatin Sodium207 claims
- Losartan Potassium189 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
- Baycare Medical Group, Inc.Clearwater, FL
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Katherine Matlock among 9,399 family medicine physician records in Florida
Katherine Matlock, D.O. is one of 9,399 family medicine physician records with a practice address in Florida. 79% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2010, is newer than 61% of them.
- NPI issued2010 · 61% of these records are older, 37% newer
- In a Medicare fileYes · 79% of these records are
- In the CMS Doctors and Clinicians fileYes · 59% of these records are
- Graduated2010 · median 2004 among the 5,504 with a school on file
- Record last updated2022 · 51% 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 Florida practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
107 family medicine physician records list a practice address in Largo
They are 107 of the 2,280 NPPES records with a practice address in Largo, and 9,399 family medicine physician records in Florida.
All 9,399 in Florida → Every provider in Largo → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
- Salma Akhter, DOLargo, FL 337741780640078
- Dorothy Christman, MDLargo, FL 337741427029743
- David Francis, MDLargo, FL 337741528010436
- Nancy Gilhooley, M.D.Largo, FL 337741306814835
- John Gostigian, D.O.Largo, FL 337741659327500
- Monte Hill, MDLargo, FL 337741033184932
- Gregory James, DOLargo, FL 337741174541395
- Keith Kappeler, DOLargo, FL 337741932190857
Common questions
What is Katherine Matlock, D.O.'s NPI number?
Katherine Matlock, D.O.'s National Provider Identifier (NPI) is 1013229590, issued on Jul 13, 2010. An NPI identifies a provider in billing; it is not a license.
Where is Katherine Matlock, D.O. located?
The NPPES record lists a practice address at 12899 Walsingham RD, Largo, FL, 33774. Phone: (727) 596-9490. Providers update this record themselves, so call before visiting.
How can I verify Katherine Matlock, D.O.'s license?
NPPES lists Florida license number OS11447, as entered by the provider. Search the Florida health license search at https://mqa-internet.doh.state.fl.us/mqasearchservices/healthcareproviders. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Katherine Matlock, D.O. prescribe under Medicare Part D?
In 2024, Katherine Matlock, D.O. had 5,367 Medicare Part D claims for 511 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.