Doctor profile · Federal record
Dr. Anthony Nicolaysen, MD
Nephrology Physician (CMS: Nephrology) · Mission Hills, CA
- NPI 1154869576
- Accepts Medicare
- 8 yrs in practice
- Male
- Solo practice
- No sanctions
Practice & contact
- Primary practice
-
11550 Indian Hills RD Ste 371
Mission Hills, CA 913451252
(818) 365-1194
fax (818) 898-3835
Credentials & registration
- NPI registered
- February 2017 — 9 yrs on file
- Profile last updated
- July 16, 2025
- Year of graduation
- 2018 — 8 yrs since
- Specialty taxonomy
- 207RN0300X — NUCC code
- State license (1)
- California #A174994
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1154869576. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
712
Distinct HCPCS
8
Medicare allowed
$73,325
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99232 |
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | 316 | 132 | $83 | |
90935 |
Hemodialysis procedure with physician evaluation | 113 | 56 | $75 | |
99222 |
Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes | 83 | 82 | $137 | |
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 68 | 51 | $139 | |
99233 |
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes | 66 | 37 | $125 | |
99223 |
Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes | 30 | 30 | $182 | |
99457 |
Management using the results of remote vital sign monitoring per calendar month, first 20 minutes | 19 | 11 | $53 | |
99204 |
New patient office or other outpatient visit, 45-59 minutes | 17 | 17 | $180 |
In context: peer comparison
Among 5 peers in Mission Hills Nephrology Physician, average services per provider: 156. This provider delivers 4.6× the peer median.Open Payments
Industry payments received
All-time total
$800
Transactions
32
Manufacturers
10
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| Travere Therapeutics, INC. | 3 | $148.03 | |
| Novartis Pharmaceuticals Corporation | 8 | $147.60 | |
| AstraZeneca Pharmaceuticals Lp | 4 | $108.75 | |
| Otsuka America Pharmaceutical, INC. | 3 | $85.54 | |
| Bayer Healthcare Pharmaceuticals INC. | 3 | $72.76 | |
| Boehringer Ingelheim Pharmaceuticals, INC. | 3 | $67.73 | |
| Vifor Pharma, INC. | 3 | $62.57 | |
| Ardelyx, INC. | 2 | $47.40 | |
| Aurinia Pharma U.S., INC. | 2 | $40.02 | |
| Amgen INC. | 1 | $19.68 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
13
Patients
0
Total drug cost
$81
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Lisinopril | Generic | 13 | 0 | $81 |
Frequently asked questions
What is Dr. Anthony Nicolaysen's medical specialty?
Dr. Anthony Nicolaysen practices Nephrology Physician in Mission Hills, CA.
Where does Dr. Anthony Nicolaysen practice?
Dr. Anthony Nicolaysen practices at 11550 Indian Hills RD Ste 371, Mission Hills, CA 913451252. Office phone: 8183651194.
What is Dr. Anthony Nicolaysen's NPI?
Dr. Anthony Nicolaysen's National Provider Identifier (NPI) is 1154869576, issued by NPPES.
Does Dr. Anthony Nicolaysen accept Medicare assignment?
Yes. Dr. Anthony Nicolaysen accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Anthony Nicolaysen commonly perform?
Top Medicare-reported procedures in 2023: Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232); Hemodialysis procedure with physician evaluation (HCPCS 90935); Initial hospital care with straightforward or low-level medical decision making (HCPCS 99222). Source: CMS Medicare Physician & Other Practitioners file.