Doctor profile · Federal record

Dr. Nicole Sims, D.O.

Internal Medicine Physician (CMS: Internal Medicine) · Hospitalist Physician · Montclair, CA

  • NPI 1932417417
  • Accepts Medicare
  • 18 yrs in practice
  • Female
  • Solo practice
  • No sanctions

Practice & contact

Operates at 2 locations .

NPPES Updated May 11, 2026
Primary practice
9655 Monte Vista Ave Ste 402
Montclair, CA 917632238
(909) 626-1205
fax (909) 670-0473
Additional location
2776 Pacific Ave
Long Beach, CA 908062613
(562) 977-2350

Credentials & registration

NPPES · NUCC
NPI registered
September 2010 — 16 yrs on file
Profile last updated
October 13, 2017
Year of graduation
2008 — 18 yrs since
Specialty taxonomy
207R00000X — NUCC code
State license (1)
California #20A11223

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1932417417. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
355
Distinct HCPCS
6
Medicare allowed
$43,930
HCPCS Description Services Patients Avg allowed
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 131 63 $121
99239 Hospital discharge day management, more than 30 minutes 62 60 $117
99291 Critical care, first 30-74 minutes 52 17 $216
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 50 35 $81
99231 Subsequent hospital care with straightforward or low level of medical decision making, per day, if using time, at least 25 minutes 40 16 $50
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 20 19 $177

In context: peer comparison

Among 6 peers in Montclair Internal Medicine Physician, average services per provider: 106. This provider delivers 3.3× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
23
Patients
23
Total drug cost
$185
Drug Type Claims Patients Total cost
Prednisone Generic 12 12 $53
Pantoprazole Sodium Generic 11 11 $132

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Nicole Sims's medical specialty?
Dr. Nicole Sims practices Internal Medicine Physician in Montclair, CA.
Where does Dr. Nicole Sims practice?
Dr. Nicole Sims practices at 9655 Monte Vista Ave Ste 402, Montclair, CA 917632238. Office phone: 9096261205.
What is Dr. Nicole Sims's NPI?
Dr. Nicole Sims's National Provider Identifier (NPI) is 1932417417, issued by NPPES.
Does Dr. Nicole Sims accept Medicare assignment?
Yes. Dr. Nicole Sims accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Nicole Sims commonly perform?
Top Medicare-reported procedures in 2023: Subsequent hospital care with moderate levelof medical decision making (HCPCS 99233); Hospital discharge day management (HCPCS 99239); Critical care (HCPCS 99291). Source: CMS Medicare Physician & Other Practitioners file.