Doctor profile · Federal record

Dr. Nicholas Stienstra, M.D.

Rheumatology Physician (CMS: Rheumatology) · Internal Medicine Physician · Student in an Organized Health Care Education/Training Program · Monterey, CA

  • NPI 1033505581
  • Accepts Medicare
  • MIPS 77.8 / 100 · 2023
  • 11 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
2 Upper Ragsdale Dr Bldg A
Monterey, CA 939405736
(831) 333-3040
fax (831) 886-3639

Credentials & registration

NPPES · NUCC
NPI registered
April 2015 — 11 yrs on file
Profile last updated
April 9, 2021
Year of graduation
2015 — 11 yrs since
Specialty taxonomy
207RR0500X — NUCC code
State license (1)
California #A170493

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1033505581. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
731
Distinct HCPCS
8
Medicare allowed
$107,631
HCPCS Description Services Patients Avg allowed
99214 Established patient office or other outpatient visit, 30-39 minutes 421 228 $138
99204 New patient office or other outpatient visit, 45-59 minutes 78 78 $178
99215 Established patient office or other outpatient visit, 40-54 minutes 78 64 $188
99205 New patient office or other outpatient visit, 60-74 minutes 63 63 $234
99213 Established patient office or other outpatient visit, 20-29 minutes 41 36 $96
20610 Aspiration and/or injection of fluid from large joint 20 17 $81
J1030 Injection, methylprednisolone acetate, 40 mg 19 12 $8
G0008 Administration of influenza virus vaccine 11 11 $34

In context: peer comparison

Among 1 peers in Monterey Rheumatology Physician, average services per provider: 91. This provider delivers 8.0× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
1,073
Patients
301
Total drug cost
$207,138
Drug Type Claims Patients Total cost
Prednisone Generic 245 80 $2,987
Hydroxychloroquine Sulfate Generic 214 61 $8,213
Methotrexate (Methotrexate Sodium) Brand 191 55 $10,306
Gabapentin Generic 63 23 $823
Allopurinol Generic 60 15 $994
Leflunomide Generic 55 18 $5,609
Alendronate Sodium Generic 39 11 $301
Celecoxib Generic 38 15 $1,977
Meloxicam Generic 31 12 $108
Mycophenolate Mofetil Generic 27 0 $3,000

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Nicholas Stienstra's medical specialty?
Dr. Nicholas Stienstra practices Rheumatology Physician in Monterey, CA.
Where does Dr. Nicholas Stienstra practice?
Dr. Nicholas Stienstra practices at 2 Upper Ragsdale Dr Bldg A, Monterey, CA 939405736. Office phone: 8313333040.
What is Dr. Nicholas Stienstra's NPI?
Dr. Nicholas Stienstra's National Provider Identifier (NPI) is 1033505581, issued by NPPES.
Does Dr. Nicholas Stienstra accept Medicare assignment?
Yes. Dr. Nicholas Stienstra accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Nicholas Stienstra commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); New patient office or other outpatient visit (HCPCS 99204); Established patient office or other outpatient visit (HCPCS 99215). Source: CMS Medicare Physician & Other Practitioners file.