Doctor profile · Federal record

Dr. Stephen Hryniewicki, M.D.

Internal Medicine Physician · Long Beach, CA

  • NPI 1598871741
  • MIPS 81.4 / 100 · 2023
  • 20 yrs on file
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
2650 Elm Ave Ste 309
Long Beach, CA 908061600
(562) 595-8549
fax (562) 492-6271
Mailing address
2010 N Victoria Dr
Santa Ana, CA 927062514

Credentials & registration

NPPES · NUCC
NPI registered
August 2006 — 20 yrs on file
Profile last updated
July 8, 2007
Specialty taxonomy
207R00000X — NUCC code
State license (1)
California #G45594

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1598871741. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
1,390
Distinct HCPCS
10
Medicare allowed
$170,467
HCPCS Description Services Patients Avg allowed
99214 Established patient office or other outpatient visit, 30-39 minutes 618 331 $141
G0439 Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit 237 237 $140
99497 Advance care planning, first 30 minutes 216 216 $90
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 104 25 $127
99213 Established patient office or other outpatient visit, 20-29 minutes 69 47 $100
93000 Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report 39 37 $16
90662 Influenza vaccine split virus, preservative free 32 32 $72
G0008 Administration of influenza virus vaccine 32 32 $34
99239 Hospital discharge day management, more than 30 minutes 27 24 $124
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 16 14 $186

In context: peer comparison

Among 40 peers in Long Beach Internal Medicine Physician, average services per provider: 124. This provider delivers 11× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$647
Transactions
25
Manufacturers
13
Payer (manufacturer) Industry Txns Amount
Sumitomo Pharma America, INC. 5 $174.75
Exact Sciences Corporation 4 $109.88
Lilly USA, LLC 3 $80.77
Idorsia Pharmaceuticals US INC 3 $52.07
Bausch Health US, LLC 2 $38.89
Amgen INC. 1 $29.84
Abbvie INC. 1 $28.13
Salix Pharmaceuticals, A Division of Bausch Health US, LLC 1 $24.42
GlaxoSmithKline, LLC. 1 $24.37
Pfizer INC. 1 $23.74
Boehringer Ingelheim Pharmaceuticals, INC. 1 $23.51
Lucid Diagnostics INC. 1 $21.64
Currax Pharmaceuticals LLC 1 $14.69

By nature of payment

Food and Beverage
$647

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
1,769
Patients
445
Total drug cost
$115,246
Drug Type Claims Patients Total cost
Atorvastatin Calcium Generic 281 80 $3,563
Amlodipine Besylate Generic 187 56 $1,990
Metoprolol Succinate Generic 163 33 $2,891
Levothyroxine Sodium Generic 143 42 $2,944
Losartan Potassium Generic 111 27 $1,213
Rosuvastatin Calcium Generic 110 34 $4,765
Pantoprazole Sodium Generic 104 26 $1,536
Metformin Hcl Generic 92 23 $1,395
Eliquis (Apixaban) Brand 90 18 $88,009
Hydrochlorothiazide Generic 88 21 $652

Frequently asked questions

Auto-generated from federal data
What is Dr. Stephen Hryniewicki's medical specialty?
Dr. Stephen Hryniewicki practices Internal Medicine Physician in Long Beach, CA.
Where does Dr. Stephen Hryniewicki practice?
Dr. Stephen Hryniewicki practices at 2650 Elm Ave Ste 309, Long Beach, CA 908061600. Office phone: 5625958549.
What is Dr. Stephen Hryniewicki's NPI?
Dr. Stephen Hryniewicki's National Provider Identifier (NPI) is 1598871741, issued by NPPES.
What procedures does Dr. Stephen Hryniewicki commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit (HCPCS G0439); Advance care planning (HCPCS 99497). Source: CMS Medicare Physician & Other Practitioners file.