Joseph Zacharias, MD
NPI 1881847572 · Internal Medicine Physician · Marietta, OH
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Joseph Zacharias, MD is a Internal Medicine Physician provider in Marietta, OH (NPI 1881847572).
Provider details
- NPI number
- 1881847572
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- Yes
- License
- 35.095854 (OH)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
17 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
3 documented practice locations
- Medicare service volume (vs. specialty peers)25% of score
782 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) |
|---|---|---|
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 50 Minutes99233 | 342 | $111 |
| Initial Hospital Care With Moderate Level of Medical Decision Making, If Using Time, at Least 75 Minutes99223 | 181 | $159 |
| Hospital Discharge Day Management, More Than 30 Minutes99239 | 148 | $106 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 35 Minutes99232 | 94 | $74 |
| Critical Care, First 30-74 Minutes99291 | 17 | $200 |
Typical Medicare-allowed amounts for these services range $74–$200 (2024). The Medicare-allowed amount is what Medicare recognizes for a service under fee-for-service — a reference figure for 2024, not a price quote and not what you would be billed. Medicare Part B covers roughly an eighth of all NPIs (65+ skew); services with fewer than 11 beneficiaries are suppressed by CMS. Source: CMS Medicare Physician & Other Practitioners, by Provider & Service.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 10 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Cefdinir | 22 | 22 |
| Prednisone | 21 | 21 |
| Levothyroxine Sodium | 20 | — |
| Amlodipine Besylate | 18 | — |
| Metoprolol Tartrate | 14 | 14 |
| Pantoprazole Sodium | 13 | 12 |
| Furosemide | 12 | 12 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$194 across 9 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
Additional practice locations (2)
- 1106 Colegate DrMarietta, OH 45750-1323Phone: (740) 568-2000
- 314 S Wells StSistersville, WV 26175-1098Phone: (304) 652-2611
Registry dates
- Enumerated
- 2008-10-28
- Last updated
- 2021-07-22
- Certified
- 2021-07-22
Frequently asked questions
- What is Joseph Zacharias's NPI number?
- Joseph Zacharias's National Provider Identifier (NPI) is 1881847572, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Joseph Zacharias's specialty?
- Joseph Zacharias is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Joseph Zacharias located?
- Joseph Zacharias's practice location on file with NPPES is 401 Matthew St, Marietta, OH 45750-1635.
- What is Joseph Zacharias's phone number?
- The practice phone number listed in the NPPES registry for Joseph Zacharias is (740) 374-7700.
- Does Joseph Zacharias accept Medicare?
- Joseph Zacharias is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Joseph Zacharias's NPI active?
- Yes — Joseph Zacharias's NPI (1881847572) is active in the NPPES registry as of the last update on 2021-07-22.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.