Marianna Antonopoulou, MD
NPI 1588826796 · Endocrinology, Diabetes & Metabolism Physician · Mechanicsburg, PA
Enrolled with Medicare as Practitioner - Endocrinology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Marianna Antonopoulou, MD is a Endocrinology, Diabetes & Metabolism Physician provider in Mechanicsburg, PA (NPI 1588826796).
Provider details
- NPI number
- 1588826796
- Entity type
- Individual
- Primary specialty
- Endocrinology, Diabetes & Metabolism PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- No
- License
- 25MA09214900 (NJ)
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 tenure28% of score
18 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
706 Medicare services, 2024 (ranked within specialty)
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 methodology.
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) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 453 | $121 |
| Continuous Monitoring of Blood Sugar Level in Tissue Fluid Using Sensor Under Skin With Interpretation and Report95251 | 118 | $33 |
| Visit Complexity Inherent to Evaluation and Management Associated With Medical Care Services That Serve As the Continuing Focal Point for All Needed Health Care Services And/Or With Medical Care Services That Are Part of Ongoing Care Related to a Patient'SG2211 | 99 | $16 |
| New Patient Office Or Other Outpatient Visit With Moderate Level of Medical Decision Making, If Using Time, 45 Minutes Or More99204 | 20 | $159 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 16 | $86 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 74 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Levothyroxine Sodium | 681 | 189 |
| Metformin Hcl | 252 | 71 |
| Levothyroxine Sodiumbrand: Synthroid | 244 | 73 |
| Atorvastatin Calcium | 198 | 62 |
| Glimepiride | 194 | 62 |
| Empagliflozinbrand: Jardiance | 179 | 53 |
| Semaglutide |
Practice location
Mailing address
Registry dates
- Enumerated
- 2008-06-28
- Last updated
- 2021-01-23
- Certified
- 2021-01-23
Frequently asked questions
- What is Marianna Antonopoulou's NPI number?
- Marianna Antonopoulou's National Provider Identifier (NPI) is 1588826796, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Marianna Antonopoulou's specialty?
- Marianna Antonopoulou is listed in the NPPES registry with a primary specialty of Endocrinology, Diabetes & Metabolism Physician (Allopathic & Osteopathic Physicians).
- Where is Marianna Antonopoulou located?
- Marianna Antonopoulou's practice location on file with NPPES is 2005 Technology Pkwy, Mechanicsburg, PA 17050-9413.
- What is Marianna Antonopoulou's phone number?
- The practice phone number listed in the NPPES registry for Marianna Antonopoulou is (717) 791-2540.
- Does Marianna Antonopoulou accept Medicare?
- Marianna Antonopoulou is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Marianna Antonopoulou's NPI active?
- Yes — Marianna Antonopoulou's NPI (1588826796) is active in the NPPES registry as of the last update on 2021-01-23.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.