Doctor profile · Federal record

Dr. Margie Chinasa, M.D

Hospitalist Physician (CMS: Hospitalist) · Northridge, CA

  • NPI 1871989939
  • Accepts Medicare
  • 12 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
18460 Roscoe Blvd Fl 3
Northridge, CA 913254107
(818) 885-5480
fax (818) 993-1917
Mailing address
3400 Data Dr
Rancho Cordova, CA 956707956

Credentials & registration

NPPES · NUCC
NPI registered
April 2015 — 11 yrs on file
Profile last updated
June 6, 2025
Year of graduation
2014 — 12 yrs since
Specialty taxonomy
208M00000X — NUCC code
State license (1)
California #C195325

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1871989939. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
593
Distinct HCPCS
6
Medicare allowed
$61,319
HCPCS Description Services Patients Avg allowed
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 265 124 $76
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 106 55 $115
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 93 92 $163
99239 Hospital discharge day management, more than 30 minutes 93 93 $109
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 25 25 $119
99238 Hospital discharge day management, 30 minutes or less 11 11 $77

In context: peer comparison

Among 11 peers in Northridge Hospitalist Physician, average services per provider: 121. This provider delivers 4.9× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$18
Transactions
1
Manufacturers
1
Payer (manufacturer) Industry Txns Amount
AstraZeneca Pharmaceuticals Lp 1 $18.24

By nature of payment

Food and Beverage
$18

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
28
Patients
13
Total drug cost
$138
Drug Type Claims Patients Total cost
Prednisone Generic 16 13 $32
Atorvastatin Calcium Generic 12 0 $105

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Margie Chinasa's medical specialty?
Dr. Margie Chinasa practices Hospitalist Physician in Northridge, CA.
Where does Dr. Margie Chinasa practice?
Dr. Margie Chinasa practices at 18460 Roscoe Blvd Fl 3, Northridge, CA 913254107. Office phone: 8188855480.
What is Dr. Margie Chinasa's NPI?
Dr. Margie Chinasa's National Provider Identifier (NPI) is 1871989939, issued by NPPES.
Does Dr. Margie Chinasa accept Medicare assignment?
Yes. Dr. Margie Chinasa accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Margie Chinasa commonly perform?
Top Medicare-reported procedures in 2023: Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232); Subsequent hospital care with moderate levelof medical decision making (HCPCS 99233); Initial hospital care with moderate level of medical decision making (HCPCS 99223). Source: CMS Medicare Physician & Other Practitioners file.