Doctor profile · Federal record

Dr. Alina Popa, MD

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

  • NPI 1003893348
  • Accepts Medicare
  • 32 yrs in practice
  • Licensed in 2 states
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
4445 Magnolia Ave
Riverside, CA 925014135
(951) 788-3636

Credentials & registration

NPPES · NUCC
NPI registered
December 2005 — 21 yrs on file
Profile last updated
April 30, 2023
Year of graduation
1994 — 32 yrs since
Specialty taxonomy
208M00000X — NUCC code
State licenses (2)
California #107794 · Minnesota #49589
Medicaid (2)
MN #156612100 · MN #ENROLLED

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1003893348. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
379
Distinct HCPCS
5
Medicare allowed
$38,535
HCPCS Description Services Patients Avg allowed
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 151 73 $81
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 119 71 $121
99238 Hospital discharge day management, 30 minutes or less 50 49 $83
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 33 33 $177
99497 Advance care planning, first 30 minutes 26 23 $77

In context: peer comparison

Among 9 peers in Riverside Hospitalist Physician, average services per provider: 88. This provider delivers 4.3× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$76
Transactions
5
Manufacturers
3
Payer (manufacturer) Industry Txns Amount
AstraZeneca Pharmaceuticals Lp 3 $47.71
Abbott Laboratories 1 $15.06
Nevro Corp. 1 $13.58

By nature of payment

Food and Beverage
$76

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Alina Popa's medical specialty?
Dr. Alina Popa practices Hospitalist Physician in Riverside, CA.
Where does Dr. Alina Popa practice?
Dr. Alina Popa practices at 4445 Magnolia Ave, Riverside, CA 925014135. Office phone: 9517883636.
What is Dr. Alina Popa's NPI?
Dr. Alina Popa's National Provider Identifier (NPI) is 1003893348, issued by NPPES.
Does Dr. Alina Popa accept Medicare assignment?
Yes. Dr. Alina Popa accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Alina Popa 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); Hospital discharge day management (HCPCS 99238). Source: CMS Medicare Physician & Other Practitioners file.