Mary J. King, DO
Internal Medicine Physician · Largo, FL
Mary J. King, DO is an internal medicine physician with a practice address in Largo, Florida, and NPI 1255338083, issued on Jul 7, 2005. Check the license (Florida OS0007369, as entered in NPPES) on the Florida health license search; the Medicare figures below come from public CMS files.
- Name
- Mary J. King
- Credential
- DO
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- OS0007369 FL
Self-reported in NPPES; status is on the state search - Practice location
- 10225 Ulmerton RD Ste 1A, Largo, FL 33771
- Phone
- (727) 585-7408
- Enumerated
- Jul 7, 2005
- Record last updated
- Nov 11, 2025
- Fax
- (866) 980-2443
- Medicare enrollment
- Enrolled (PECOS I20080303000495); accepts Medicare assignment
- Medical or professional school
- At Still University Of Health Sciences, College Of Osteo Med, Kirksville, 1995
- Entity
- Type 1 · individual
Also registered at 10225 Ulmerton RD Ste 1A
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Joy Ablordeppey, MDFamily Medicine Physician1124094719
- Nicholas Hammond, A.R.N.P.Adult Health Nurse Practitioner1588649800
- Sierra HeptnerPhysician Assistant1083183826
- Dekayla Lawson, APRNFamily Nurse Practitioner1831922913
Verify Mary J. King in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersFlorida health license search
Search for license OS0007369Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
3.3 times the Medicare Part D claims of the average internal medicine physician in 2024
10,608 Medicare Part D claims for 877 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 10% of claims. 99 claims were for opioids.
Most prescribed
- Atorvastatin Calcium773 claims
- Lisinopril526 claims
- Levothyroxine Sodium437 claims
- Amlodipine Besylate335 claims
- Losartan Potassium321 claims
- Alprazolam319 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
- Hernando Pasco Primary Care LLCLargo, FL
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
96 internal medicine physician records list a practice address in Largo
They are 96 of the 2,280 NPPES records with a practice address in Largo, and 10,151 internal medicine physician records in Florida.
All 96 in Largo → All 10,151 in Florida → Every provider in Largo →
Other internal medicine physician records in Florida
- Oussama Abbad, DOLargo, FL1174101398
- Ismeth Abbas, M.D.Jacksonville, FL1245328020
- Rahat Abbas, MDBelle Glade, FL1699756312
- Sarah AbbasWeston, FL1023864154
- Kenan Abbasi, MDHollywood, FL1619472321
- Nuzhat Abbasi, MDNorth Miami Beach, FL1184655466
- Tony Abbassi, MDMiami, FL1679589188
- Alaa Abd El Rahman, M.D.Orlando, FL1326243908
- Aza Abdalla, MDPompano Beach, FL1588903207
- Mahmoud Abdalla, MDTampa, FL1770263840
Common questions
What is Mary J. King, DO's NPI number?
Mary J. King, DO's National Provider Identifier (NPI) is 1255338083, issued on Jul 7, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Mary J. King, DO located?
The NPPES record lists a practice address at 10225 Ulmerton RD Ste 1A, Largo, FL, 33771. Phone: (727) 585-7408. Providers update this record themselves, so call before visiting.
How can I verify Mary J. King, DO's license?
NPPES lists Florida license number OS0007369, 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 Mary J. King, DO prescribe under Medicare Part D?
In 2024, Mary J. King, DO had 10,608 Medicare Part D claims for 877 beneficiaries; the average among internal medicine physician prescribers was 3,176. 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.