Marjorie Ann Malbas, MD
NPI 1588977284 · Endocrinology, Diabetes & Metabolism Physician · Rochester, MN
Enrolled with Medicare as Practitioner - Endocrinology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Marjorie Ann Malbas, MD is a Endocrinology, Diabetes & Metabolism Physician provider in Rochester, MN (NPI 1588977284).
Provider details
- NPI number
- 1588977284
- Entity type
- Individual
- Primary specialty
- Endocrinology, Diabetes & Metabolism PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- No
- License
- P8695 (TX)
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
15 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
2,024 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) |
|---|---|---|
| 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 | 394 | $16 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 342 | $125 |
| Insertion of Needle Into Vein for Collection of Blood Sample36415 | 178 | $9 |
| Continuous Monitoring of Blood Sugar Level in Tissue Fluid Using Sensor Under Skin With Interpretation and Report95251 | 161 | $34 |
| Hemoglobin A1c Level83036 | 121 | $9 |
| Blood Test, Thyroid Stimulating Hormone (tsh)84443 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 61 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Semaglutidebrand: Ozempic | 450 | 132 |
| Levothyroxine Sodium | 316 | 109 |
| Tirzepatidebrand: Mounjaro | 212 | 64 |
| Pioglitazone Hcl | 168 | 66 |
| Rosuvastatin Calcium | 156 | 58 |
| Dapagliflozin Propanediolbrand: Farxiga | 134 | 47 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$30,045 across 54 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
- 2010-07-22
- Last updated
- 2025-09-05
- Certified
- 2025-09-05
Frequently asked questions
- What is Marjorie Ann Malbas's NPI number?
- Marjorie Ann Malbas's National Provider Identifier (NPI) is 1588977284, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Marjorie Ann Malbas's specialty?
- Marjorie Ann Malbas is listed in the NPPES registry with a primary specialty of Endocrinology, Diabetes & Metabolism Physician (Allopathic & Osteopathic Physicians).
- Where is Marjorie Ann Malbas located?
- Marjorie Ann Malbas's practice location on file with NPPES is 200 1st St Sw, Rochester, MN 55905-0001.
- What is Marjorie Ann Malbas's phone number?
- The practice phone number listed in the NPPES registry for Marjorie Ann Malbas is (507) 284-2511.
- Does Marjorie Ann Malbas accept Medicare?
- Marjorie Ann Malbas is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Marjorie Ann Malbas's NPI active?
- Yes — Marjorie Ann Malbas's NPI (1588977284) is active in the NPPES registry as of the last update on 2025-09-05.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.