Mark Samuel Eichenbaum, M.D.
Geriatric Medicine (Internal Medicine) Physician · Saint Petersburg, FL
Mark Samuel Eichenbaum, M.D. is a geriatric medicine (internal medicine) physician with a practice address in Saint Petersburg, Florida, and NPI 1871764977, issued on Mar 17, 2008. Check the license (Florida ME 100677, as entered in NPPES) on the Florida health license search; the Medicare figures below come from public CMS files.
- Name
- Mark Samuel Eichenbaum
- Credential
- M.D.
- Primary taxonomy
- Geriatric Medicine (Internal Medicine) Physician 207RG0300X
- License number
- ME 100677 FL
Self-reported in NPPES; status is on the state search - Practice location
- 4320 Central Ave, Saint Petersburg, FL 33711
- Phone
- (727) 345-3621
- Enumerated
- Mar 17, 2008
- Record last updated
- Feb 29, 2012 (not updated in 14 years: call before relying on the address or phone)
- Fax
- (727) 381-4934
- Medicare enrollment
- Enrolled (PECOS I20090622000314); accepts Medicare assignment
- Medical or professional school
- New York University School Of Medicine, 2004
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest geriatric medicine (internal medicine) physician records → All 287 in Florida → Look up another NPI →
Verify Mark Samuel Eichenbaum in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersFlorida health license search
Search for license ME 100677Check 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 geriatric medicine (internal medicine) physician in 2024
14,179 Medicare Part D claims for 989 beneficiaries, against an average of 4,246 among the 3,116 providers of this specialty who prescribed in Part D. Brand-name drugs were 13% of claims. 74 claims were for opioids.
Most prescribed
- Levothyroxine Sodium701 claims
- Atorvastatin Calcium581 claims
- Amlodipine Besylate566 claims
- Rosuvastatin Calcium558 claims
- Alprazolam440 claims
- Lisinopril384 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.
The MIPS final score for 2023 (Medicare payment program): 7.9 of 100
The Merit-based Incentive Payment System score is reported for this clinician. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $419.18
18 payments; by number, the most common kind was food and beverage; the largest payer was Novartis Pharmaceuticals Corporation. The 1,004 providers of this specialty with any payment received $1,720.82 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 one group practice
- Cutting Edge Physical Therapy Limited PartnershipRichmond, IN
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Mark Samuel Eichenbaum among 287 geriatric medicine (internal medicine) physician records in Florida
Mark Samuel Eichenbaum, M.D. is one of 287 geriatric medicine (internal medicine) physician records with a practice address in Florida. 72% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2008, is newer than 76% of them.
- NPI issued2008 · 76% of these records are older, 21% newer
- In a Medicare fileYes · 72% of these records are
- In the CMS Doctors and Clinicians fileYes · 49% of these records are
- Graduated2004 · median 1993 among the 141 with a school on file
- Record last updated2012 · 60% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RG0300X and a Florida practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Geriatric Medicine (Internal Medicine) Physician providers in Florida
There are 287 geriatric medicine (internal medicine) physician records in Florida.
All 287 in Florida → Every provider in Saint Petersburg → Geriatric Medicine (Internal Medicine) Physician nationwide →
The 8 geriatric medicine (internal medicine) physician records with the nearest ZIP codes
- Mihaela Soran, M.D.St Petersburg, FL 337101982683678
- Vijaya Cherukuri, M.D.Saint Petersburg, FL 337071750375267
- Shaun Isaac, M.D.St Petersburg, FL 337011083677322
- Cecilia Bueno, M.D.Bay Pines, FL 337441316047723
- Peter Cherian, M.DBay Pines, FL 337441871834036
- John Hull, MDBay Pines, FL 337441205925161
- Samer Nasr, MDBay Pines, FL 337441396761078
- Elizabeth Ripkey, MDBay Pines, FL 337441235319070
Common questions
What is Mark Samuel Eichenbaum, M.D.'s NPI number?
Mark Samuel Eichenbaum, M.D.'s National Provider Identifier (NPI) is 1871764977, issued on Mar 17, 2008. An NPI identifies a provider in billing; it is not a license.
Where is Mark Samuel Eichenbaum, M.D. located?
The NPPES record lists a practice address at 4320 Central Ave, Saint Petersburg, FL, 33711. Phone: (727) 345-3621. Providers update this record themselves, so call before visiting.
How can I verify Mark Samuel Eichenbaum, M.D.'s license?
NPPES lists Florida license number ME 100677, 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 Mark Samuel Eichenbaum, M.D. prescribe under Medicare Part D?
In 2024, Mark Samuel Eichenbaum, M.D. had 14,179 Medicare Part D claims for 989 beneficiaries; the average among geriatric medicine (internal medicine) physician prescribers was 4,246. Part D covers Medicare prescriptions only.
What is Mark Samuel Eichenbaum, M.D.'s MIPS final score?
The 2023 MIPS final score is 7.9 of 100. The average among 454,083 clinicians with a measured score was 83.5.
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.