Anthony Nicolaysen, MD
NPI 1154869576 · Nephrology Physician · Mission Hills, CA
Enrolled with Medicare as Practitioner - Nephrology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Anthony Nicolaysen, MD is a Nephrology Physician provider in Mission Hills, CA (NPI 1154869576).
Provider details
- NPI number
- 1154869576
- Entity type
- Individual
- Primary specialty
- Nephrology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- Yes
- License
- A174994 (CA)
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
9 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
2,287 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 35 Minutes99232 | 644 | $81 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 50 Minutes99233 | 280 | $122 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 254 | $138 |
| Hemodialysis Procedure With Physician Evaluation90935 | 208 | $73 |
| Management Using the Results of Remote Vital Sign Monitoring Per Calendar Month, First 20 Minutes99457 | 169 | $54 |
| Remote Monitoring of Physiologic Parameters, Initial Supply of Devices With Daily Recordings Or Programmed Alerts Transmission, Each 30 Days |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 19 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Empagliflozinbrand: Jardiance | 100 | 20 |
| Lisinopril | 72 | 25 |
| Dapagliflozin Propanediolbrand: Farxiga | 57 | 14 |
| Losartan Potassium | 53 | 20 |
| Amlodipine Besylate | 47 | 18 |
| Nifedipinebrand: Nifedipine Er | 43 | 17 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$800 across 32 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
- 2017-02-06
- Last updated
- 2025-07-16
- Certified
- 2025-07-16
Frequently asked questions
- What is Anthony Nicolaysen's NPI number?
- Anthony Nicolaysen's National Provider Identifier (NPI) is 1154869576, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Anthony Nicolaysen's specialty?
- Anthony Nicolaysen is listed in the NPPES registry with a primary specialty of Nephrology Physician (Allopathic & Osteopathic Physicians).
- Where is Anthony Nicolaysen located?
- Anthony Nicolaysen's practice location on file with NPPES is 11550 Indian Hills Rd Ste 371, Mission Hills, CA 91345-1252.
- What is Anthony Nicolaysen's phone number?
- The practice phone number listed in the NPPES registry for Anthony Nicolaysen is (818) 365-1194.
- Does Anthony Nicolaysen accept Medicare?
- Anthony Nicolaysen is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Anthony Nicolaysen's NPI active?
- Yes — Anthony Nicolaysen's NPI (1154869576) is active in the NPPES registry as of the last update on 2025-07-16.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.