Sonia Mercedes Ramirez-Seifert, M.D.
Internal Medicine Physician · Altamonte Springs, FL
Sonia Mercedes Ramirez-Seifert, M.D. is an internal medicine physician with a practice address in Altamonte Springs, Florida, and NPI 1568485373, issued on Jul 25, 2006. Check the license (Florida ME107632, as entered in NPPES) on the Florida health license search; the Medicare figures below come from public CMS files.
- Name
- Sonia Mercedes Ramirez-Seifert
- Credential
- M.D.
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License numbers
- ME107632 FL
A95079 CA
Self-reported in NPPES; status is on the state search - Practice location
- 393 Centerpointe Cir, Altamonte Springs, FL 32701
- Phone
- (321) 280-3949
- Enumerated
- Jul 25, 2006
- Record last updated
- Apr 5, 2013 (not updated in 13 years: call before relying on the address or phone)
- Fax
- (321) 280-3950
- Medicaid ID
- 003493300 FL
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 10,151 in Florida → Look up another NPI →
Also registered at 393 Centerpointe Cir
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Pamela Voccia, ED.S.School Psychologist1982097143
Verify Sonia Mercedes Ramirez-Seifert in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersFlorida health license search
Search for license ME107632Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
67% fewer Medicare Part D claims than the average internal medicine physician in 2024
1,039 Medicare Part D claims for 29 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 9% of claims. 210 claims were for opioids.
Most prescribed
- Oxycodone Hcl175 claims
- Azithromycin70 claims
- Gabapentin58 claims
- Cyclobenzaprine Hcl54 claims
- Methocarbamol32 claims
- Amlodipine Besylate31 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.
Sonia Mercedes Ramirez-Seifert among 10,151 internal medicine physician records in Florida
Sonia Mercedes Ramirez-Seifert, M.D. is one of 10,151 internal medicine physician records with a practice address in Florida. 84% 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, 55% newer
- In a Medicare fileYes · 84% of these records are
- In the CMS Doctors and Clinicians fileNo · 65% of these records are
- Record last updated2013 · 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 207R00000X and a Florida practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
26 internal medicine physician records list a practice address in Altamonte Springs
They are 26 of the 1,849 NPPES records with a practice address in Altamonte Springs, and 10,151 internal medicine physician records in Florida.
All 10,151 in Florida → Every provider in Altamonte Springs → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Kai Chen, MDAltamonte Springs, FL 327011225561855
- Pedro Gonzalez-Morales, MDAltamonte Springs, FL 327011861682270
- Yuchen Jiang, MDAltamonte Springs, FL 327011417560897
- Vajih KhanAltamonte Springs, FL 327011184663817
- Jianyu Li, MDAltamonte Springs, FL 327011508157983
- Enrique Lozano Ayala, MDAltamonte Springs, FL 327011134413289
- Quan Nguyen, D.O.Altamonte Springs, FL 327011922069533
- Angel Ramos-Garriga, M.D.Altamonte Springs, FL 327011235457391
Common questions
What is Sonia Mercedes Ramirez-Seifert, M.D.'s NPI number?
Sonia Mercedes Ramirez-Seifert, M.D.'s National Provider Identifier (NPI) is 1568485373, issued on Jul 25, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Sonia Mercedes Ramirez-Seifert, M.D. located?
The NPPES record lists a practice address at 393 Centerpointe Cir, Altamonte Springs, FL, 32701. Phone: (321) 280-3949. Providers update this record themselves, so call before visiting.
How can I verify Sonia Mercedes Ramirez-Seifert, M.D.'s license?
NPPES lists Florida license number ME107632, 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 Sonia Mercedes Ramirez-Seifert, M.D. prescribe under Medicare Part D?
In 2024, Sonia Mercedes Ramirez-Seifert, M.D. had 1,039 Medicare Part D claims for 29 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.