Astier Alem, MD
NPI 1801849948 · Nephrology Physician · Kirkland, WA
Enrolled with Medicare as Practitioner - Nephrology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Astier Alem, MD is a Nephrology Physician provider in Kirkland, WA (NPI 1801849948).
Provider details
- NPI number
- 1801849948
- Entity type
- Individual
- Primary specialty
- Nephrology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- No
- License
- MD00033930 (WA)
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
20 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
677 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 | 445 | $137 |
| Dialysis Services, 4 Or More Physician Visits Per Month (20 Years Or Older)90960 | 76 | $361 |
| Dialysis Services, 2-3 Physician Visits Per Month (20 Years Or Older)90961 | 49 | $301 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 50 Minutes99233 | 35 | $118 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 35 Minutes99232 | 32 | $78 |
| New Patient Office Or Other Outpatient Visit With Moderate Level of Medical Decision Making, If Using Time, 45 Minutes Or More99204 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 28 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Amlodipine Besylate | 163 | 45 |
| Hydralazine Hcl | 112 | 22 |
| Carvedilol | 105 | 25 |
| Losartan Potassium | 102 | 34 |
| Calcitriol | 91 | 22 |
| Furosemide | 77 | 24 |
| Allopurinol | 74 | 20 |
| Metoprolol Succinate |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$94 across 4 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
- 2006-05-18
- Last updated
- 2025-07-14
- Certified
- 2025-07-14
Frequently asked questions
- What is Astier Alem's NPI number?
- Astier Alem's National Provider Identifier (NPI) is 1801849948, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Astier Alem's specialty?
- Astier Alem is listed in the NPPES registry with a primary specialty of Nephrology Physician (Allopathic & Osteopathic Physicians).
- Where is Astier Alem located?
- Astier Alem's practice location on file with NPPES is 11911 Ne 132nd St Ste 102, Kirkland, WA 98034-2900.
- What is Astier Alem's phone number?
- The practice phone number listed in the NPPES registry for Astier Alem is (425) 899-5111.
- Does Astier Alem accept Medicare?
- Astier Alem is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Astier Alem's NPI active?
- Yes — Astier Alem's NPI (1801849948) is active in the NPPES registry as of the last update on 2025-07-14.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.