William Lantz Effinger, D.O.,M.S.
Family Medicine Physician · Tallahassee, FL
William Lantz Effinger, D.O.,M.S. is a family medicine physician with a practice address in Tallahassee, Florida, and NPI 1225327380, issued on Mar 29, 2011. Check the license (Florida OS11271, as entered in NPPES) on the Florida health license search; the Medicare figures below come from public CMS files.
- Name
- William Lantz Effinger
- Credential
- D.O.,M.S.
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- OS11271 FL
Self-reported in NPPES; status is on the state search - Practice location
- 1891 Capital Cir NE Ste 9, Tallahassee, FL 32308
- Phone
- (888) 698-2714
- Enumerated
- Mar 29, 2011
- Record last updated
- Jul 21, 2026
- Fax
- (888) 698-2714
- Medicare enrollment
- Enrolled (PECOS I20120313000781); accepts Medicare assignment
- Medical or professional school
- University Of North Texas Hsc, College Of Osteopathic Med, 2009
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 9,399 in Florida → Look up another NPI →
Also registered at 1891 Capital Cir NE Ste 9
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify William Lantz Effinger in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersFlorida health license search
Search for license OS11271Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
5.4 times the Medicare Part D claims of the average family medicine physician in 2024
19,127 Medicare Part D claims for 540 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. 569 claims were for opioids.
Most prescribed
- Atorvastatin Calcium1,032 claims
- Eliquis694 claims
- Levothyroxine Sodium693 claims
- Furosemide596 claims
- Gabapentin584 claims
- Amlodipine Besylate578 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).
Bills Medicare through 2 group practices
- Effinger Health, PATallahassee, FL
- Legacy Healthcare Services IncTallahassee, FL
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
William Lantz Effinger among 9,399 family medicine physician records in Florida
William Lantz Effinger, D.O.,M.S. 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 2011, is newer than 63% of them.
- NPI issued2011 · 63% of these records are older, 34% newer
- In a Medicare fileYes · 79% of these records are
- In the CMS Doctors and Clinicians fileYes · 59% of these records are
- Graduated2009 · median 2004 among the 5,504 with a school on file
- Record last updated2026 · 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).
197 family medicine physician records list a practice address in Tallahassee
They are 197 of the 6,767 NPPES records with a practice address in Tallahassee, and 9,399 family medicine physician records in Florida.
All 9,399 in Florida → Every provider in Tallahassee → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
- Gregg Alexander, MDTallahassee, FL 323081093718868
- Tommy Enoch, M.D.Tallahassee, FL 323081720052384
- Todd Hewitt, M.D.Tallahassee, FL 323081962463042
- David Kaproth, M.D.Tallahassee, FL 323081124021977
- William Kaufman, M.D.Tallahassee, FL 323081205899440
- Fredrick Lutz, M.D.Tallahassee, FL 323081144294034
- Ronald Machado, M.D.Tallahassee, FL 323081982678850
- Joseph Mazziotta, M.D.Tallahassee, FL 323081952375974
Common questions
What is William Lantz Effinger, D.O.,M.S.'s NPI number?
William Lantz Effinger, D.O.,M.S.'s National Provider Identifier (NPI) is 1225327380, issued on Mar 29, 2011. An NPI identifies a provider in billing; it is not a license.
Where is William Lantz Effinger, D.O.,M.S. located?
The NPPES record lists a practice address at 1891 Capital Cir NE Ste 9, Tallahassee, FL, 32308. Phone: (888) 698-2714. Providers update this record themselves, so call before visiting.
How can I verify William Lantz Effinger, D.O.,M.S.'s license?
NPPES lists Florida license number OS11271, 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 William Lantz Effinger, D.O.,M.S. prescribe under Medicare Part D?
In 2024, William Lantz Effinger, D.O.,M.S. had 19,127 Medicare Part D claims for 540 beneficiaries; the average among family medicine physician prescribers was 3,544. Part D covers Medicare prescriptions only.
What is William Lantz Effinger, D.O.,M.S.'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.