Andrzej Maciejewski, MD
NPI 1194780114 · Nephrology Physician · Anchorage, AK
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Andrzej Maciejewski, MD is a Nephrology Physician provider in Anchorage, AK (NPI 1194780114).
Provider details
- NPI number
- 1194780114
- Entity type
- Individual
- Primary specialty
- Nephrology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- Yes
- License
- 4655 (AK)
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
20 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
2 documented practice locations
- Medicare service volume (vs. specialty peers)25% of score
1,568 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) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 1,031 | $151 |
| Destruction of Skin Growth, 1-14 Growths17110 | 220 | $128 |
| New Patient Office Or Other Outpatient Visit With Moderate Level of Medical Decision Making, If Using Time, 45 Minutes Or More99204 | 132 | $209 |
| Blood Glucose (sugar) Test Performed By Hand-Held Instrument82962 | 66 | $3 |
| Hemoglobin A1c Level83036 | 63 | $9 |
| Established Patient Office Or Other Outpatient Visit With High Level of Medical Decision Making, If Using Time, 40 Minutes Or More99215 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 120 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Allopurinol | 376 | 89 |
| Atorvastatin Calcium | 326 | 82 |
| Dapagliflozin Propanediolbrand: Farxiga | 186 | 52 |
| Losartan Potassium | 184 | 38 |
| Amlodipine Besylate | 180 | 45 |
| Metformin Hcl | 145 | 42 |
| Nebivolol Hcl | 144 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$8,674 across 111 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 (1)
- 16839 Park Place StEagle River, AK 99577-7819Phone: (907) 694-3303Fax: (907) 694-4773
Registry dates
- Enumerated
- 2006-04-20
- Last updated
- 2026-03-05
- Certified
- 2026-03-05
Frequently asked questions
- What is Andrzej Maciejewski's NPI number?
- Andrzej Maciejewski's National Provider Identifier (NPI) is 1194780114, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Andrzej Maciejewski's specialty?
- Andrzej Maciejewski is listed in the NPPES registry with a primary specialty of Nephrology Physician (Allopathic & Osteopathic Physicians).
- Where is Andrzej Maciejewski located?
- Andrzej Maciejewski's practice location on file with NPPES is 3300 Providence Dr Ste 309, Anchorage, AK 99508-4621.
- What is Andrzej Maciejewski's phone number?
- The practice phone number listed in the NPPES registry for Andrzej Maciejewski is (907) 222-1714.
- Does Andrzej Maciejewski accept Medicare?
- Andrzej Maciejewski is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Andrzej Maciejewski's NPI active?
- Yes — Andrzej Maciejewski's NPI (1194780114) is active in the NPPES registry as of the last update on 2026-03-05.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.