Mark Eichenbaum, M.D.
NPI 1871764977 · Geriatric Medicine (Internal Medicine) Physician · Saint Petersburg, FL
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Mark Eichenbaum, M.D. is a Geriatric Medicine (Internal Medicine) Physician provider in Saint Petersburg, FL (NPI 1871764977).
Provider details
- NPI number
- 1871764977
- Entity type
- Individual
- Primary specialty
- Geriatric Medicine (Internal Medicine) PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- Yes
- License
- ME 100677 (FL)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
18 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
6,349 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our .
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Chronic Care Management Services, First 20 Minutes of Clinical Staff Time Directed By Health Care Professional, Per Calendar Month99490 | 2,455 | $57 |
| Established Patient Office Or Other Outpatient Visit With High Level of Medical Decision Making, If Using Time, 40 Minutes Or More99215 | 942 | $165 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 650 | $116 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 35 Minutes99232 | 483 | $72 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 379 | $82 |
| Initial Hospital Care With Moderate Level of Medical Decision Making, If Using Time, at Least 75 Minutes |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 170 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Levothyroxine Sodium | 701 | 166 |
| Atorvastatin Calcium | 581 | 158 |
| Amlodipine Besylate | 566 | 159 |
| Rosuvastatin Calcium | 558 | 163 |
| Alprazolam | 440 | 116 |
| Lisinopril | 384 | 100 |
| Simvastatin | 310 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$419 across 18 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Registry dates
- Enumerated
- 2008-03-17
- Last updated
- 2012-02-29
Frequently asked questions
- What is Mark Eichenbaum's NPI number?
- Mark Eichenbaum's National Provider Identifier (NPI) is 1871764977, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mark Eichenbaum's specialty?
- Mark Eichenbaum is listed in the NPPES registry with a primary specialty of Geriatric Medicine (Internal Medicine) Physician (Allopathic & Osteopathic Physicians).
- Where is Mark Eichenbaum located?
- Mark Eichenbaum's practice location on file with NPPES is 4320 Central Ave, Saint Petersburg, FL 33711-1141.
- What is Mark Eichenbaum's phone number?
- The practice phone number listed in the NPPES registry for Mark Eichenbaum is (727) 345-3621.
- Does Mark Eichenbaum accept Medicare?
- Mark Eichenbaum is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Mark Eichenbaum's NPI active?
- Yes — Mark Eichenbaum's NPI (1871764977) is active in the NPPES registry as of the last update on 2012-02-29.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.