Kirsten Alexandra Nathan
Internal Medicine Physician · Fort Pierce, FL
Kirsten Alexandra Nathan is an internal medicine physician with a practice address in Fort Pierce, Florida, and NPI 1033646757, issued on May 12, 2017. Check the license (Florida 16750, as entered in NPPES) on the Florida health license search; the Medicare figures below come from public CMS files.
- Name
- Kirsten Alexandra Nathan
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License numbers
- 16750 FL
SL1224 NV
Self-reported in NPPES; status is on the state search - Practice location
- 1700 S 23RD St, Fort Pierce, FL 34950
- Phone
- (772) 461-4000
- Enumerated
- May 12, 2017
- Record last updated
- Oct 3, 2020 (not updated in 6 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20250925001891); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 10,151 in Florida → Look up another NPI →
Also registered at 1700 S 23RD St
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Michael AlvarezPhysician Assistant1003651381
- Kimberly Anyadike, MDStudent in an Organized Health Care Education/Training Program1215875166
Verify Kirsten Alexandra Nathan in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersFlorida health license search
Search for license 16750Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
94% fewer Medicare Part D claims than the average internal medicine physician in 2024
194 Medicare Part D claims for 63 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D.
Most prescribed
- Carvedilol14 claims
- Losartan Potassium11 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.
Industry payments in 2024: $17.87
1 payment: food and beverage; the largest payer was Janssen Pharmaceuticals, Inc. The 50,334 providers of this specialty with any payment received $1,303.06 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through 3 group practices
- Hospital Medicine Associates LLCPell City, AL
- Hospital Physician Services - Southeast Professional CorporationSnellville, GA
- Southeastern Intensivist Services PCRichmond, VA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Kirsten Alexandra Nathan among 10,151 internal medicine physician records in Florida
Kirsten Alexandra Nathan 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 2017, is newer than 76% of them.
- NPI issued2017 · 76% of these records are older, 21% newer
- In a Medicare fileYes · 84% of these records are
- In the CMS Doctors and Clinicians fileYes · 65% of these records are
- Graduated2017 · median 2004 among the 6,606 with a school on file
- Record last updated2020 · 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).
38 internal medicine physician records list a practice address in Fort Pierce
They are 38 of the 1,667 NPPES records with a practice address in Fort Pierce, and 10,151 internal medicine physician records in Florida.
All 10,151 in Florida → Every provider in Fort Pierce → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Raheel Ahmed, MDFort Pierce, FL 349501629047816
- Margaret Altman, M.D.Fort Pierce, FL 349501265485171
- Crystal Ayala Castillo, MDFort Pierce, FL 349501750847588
- Ian Boykin, MDFort Pierce, FL 349501891772596
- Daily Hernandez Falcon, MDFort Pierce, FL 349501477901528
- William Hood, M.D.Fort Pierce, FL 349501215951082
- Raymond Larocque, M.DFort Pierce, FL 349501982081683
- Margaret Lott, M.D.Fort Pierce, FL 349501356735393
Common questions
What is Kirsten Alexandra Nathan's NPI number?
Kirsten Alexandra Nathan's National Provider Identifier (NPI) is 1033646757, issued on May 12, 2017. An NPI identifies a provider in billing; it is not a license.
Where is Kirsten Alexandra Nathan located?
The NPPES record lists a practice address at 1700 S 23RD St, Fort Pierce, FL, 34950. Phone: (772) 461-4000. Providers update this record themselves, so call before visiting.
How can I verify Kirsten Alexandra Nathan's license?
NPPES lists Florida license number 16750, 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 Kirsten Alexandra Nathan prescribe under Medicare Part D?
In 2024, Kirsten Alexandra Nathan had 194 Medicare Part D claims for 63 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.