Doctor profile · Federal record
Dr. Stephen Parnell, M.D.
Gastroenterology Physician (CMS: Gastroenterology) · Inglewood, CA
- NPI 1609968320
- Accepts Medicare
- MIPS 24.1 / 100 · 2023
- 52 yrs in practice
- Male
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
501 E Hardy St, Suite 430
Inglewood, CA 903014054
(310) 671-7010
fax (310) 680-6855 - Mailing address
-
2501 Pesquera Dr
Los Angeles, CA 900491226
Credentials & registration
- NPI registered
- September 2006 — 20 yrs on file
- Profile last updated
- December 29, 2014
- Year of graduation
- 1974 — 52 yrs since
- Specialty taxonomy
- 207RG0100X — NUCC code
- State license (1)
- California #G45223
- Medicaid
- CA #GR0027410
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1609968320. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
1,918
Distinct HCPCS
10
Medicare allowed
$245,195
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99232 |
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | 456 | 181 | $83 | |
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 332 | 183 | $81 | |
99204 |
New patient office or other outpatient visit, 45-59 minutes | 232 | 232 | $179 | |
99233 |
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes | 174 | 114 | $123 | |
99223 |
Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes | 159 | 146 | $182 | |
99231 |
Subsequent hospital care with straightforward or low level of medical decision making, per day, if using time, at least 25 minutes | 114 | 48 | $52 | |
45385 |
Removal of polyps or growths of large bowel using an endoscope with mechanical snare | 104 | 102 | $265 | |
99215 |
Established patient office or other outpatient visit, 40-54 minutes | 91 | 90 | $191 | |
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 81 | 74 | $129 | |
43239 |
Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope | 66 | 65 | $102 |
In context: peer comparison
Among 2 peers in Inglewood Gastroenterology Physician, average services per provider: 130. This provider delivers 15× the peer median.Open Payments
Industry payments received
All-time total
$1,985
Transactions
88
Manufacturers
12
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| Abbvie INC. | 30 | $795.84 | |
| Salix Pharmaceuticals, A Division of Bausch Health US, LLC | 25 | $510.44 | |
| Pfizer INC. | 17 | $289.32 | |
| Ardelyx, INC. | 3 | $80.69 | |
| Celgene Corporation | 3 | $58.24 | |
| Madrigal Pharmaceuticals | 2 | $55.15 | |
| Genzyme Corporation | 2 | $50.65 | |
| Braintree Laboratories, INC. | 2 | $43.73 | |
| Takeda Pharmaceuticals U.S.A., INC. | 1 | $34.42 | |
| Janssen Biotech, INC. | 1 | $25.88 | |
| Alnylam Pharmaceuticals INC. | 1 | $20.77 | |
| Phathom Pharmaceuticals, INC. | 1 | $19.94 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
1,095
Patients
524
Total drug cost
$246,347
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Omeprazole | Generic | 255 | 84 | $4,389 |
| Sod Sulf-Potass Sulf-Mag Sulf (Sodium, Potassium,Mag Sulfates) | Brand | 239 | 230 | $19,662 |
| Pantoprazole Sodium | Generic | 128 | 41 | $1,948 |
| Gavilyte-G (Peg3350/Sod Sulf,Bicarb,Cl/Kcl) | Brand | 107 | 105 | $1,867 |
| Famotidine | Generic | 60 | 21 | $931 |
| Metoclopramide Hcl | Generic | 44 | 0 | $246 |
| Suprep (Sodium, Potassium,Mag Sulfates) | Brand | 43 | 43 | $4,926 |
| Alprazolam | Generic | 36 | 0 | $242 |
| Xifaxan (Rifaximin) | Brand | 35 | 0 | $125,915 |
| Atorvastatin Calcium | Generic | 29 | 0 | $523 |
Hospital affiliations
Frequently asked questions
What is Dr. Stephen Parnell's medical specialty?
Dr. Stephen Parnell practices Gastroenterology Physician in Inglewood, CA.
Where does Dr. Stephen Parnell practice?
Dr. Stephen Parnell practices at 501 E Hardy St, Inglewood, CA 903014054. Office phone: 3106717010.
What is Dr. Stephen Parnell's NPI?
Dr. Stephen Parnell's National Provider Identifier (NPI) is 1609968320, issued by NPPES.
Does Dr. Stephen Parnell accept Medicare assignment?
Yes. Dr. Stephen Parnell accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Stephen Parnell commonly perform?
Top Medicare-reported procedures in 2023: Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232); Established patient office or other outpatient visit (HCPCS 99213); New patient office or other outpatient visit (HCPCS 99204). Source: CMS Medicare Physician & Other Practitioners file.