Doctor profile · Federal record
Dr. Simon Ritchken, M.D.
Internal Medicine Physician (CMS: Gastroenterology) · Gastroenterology Physician · San Diego, CA
- NPI 1255399341
- Accepts Medicare
- MIPS 15.3 / 100 · 2023
- 53 yrs in practice
- Male
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
4282 Genesee Ave, Suite 103
San Diego, CA 921174961
(858) 292-0108
fax (858) 292-9097
Credentials & registration
- NPI registered
- May 2006 — 20 yrs on file
- Profile last updated
- June 29, 2010
- Year of graduation
- 1973 — 53 yrs since
- Specialty taxonomy
- 207R00000X — NUCC code
- State license (1)
- California #A34151
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1255399341. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
1,082
Distinct HCPCS
10
Medicare allowed
$131,569
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 441 | 220 | $137 | |
36415 |
Insertion of needle into vein for collection of blood sample | 134 | 104 | $8 | |
99204 |
New patient office or other outpatient visit, 45-59 minutes | 88 | 88 | $178 | |
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 65 | 59 | $97 | |
43239 |
Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope | 64 | 63 | $101 | |
82270 |
Stool analysis for blood to screen for colon tumors | 49 | 49 | $4 | |
99215 |
Established patient office or other outpatient visit, 40-54 minutes | 44 | 44 | $191 | |
45380 |
Biopsy of large bowel using a flexible endoscope | 42 | 42 | $206 | |
G0439 |
Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit | 37 | 37 | $138 | |
45378 |
Diagnostic exam of large bowel using a flexible endoscope | 35 | 35 | $189 |
In context: peer comparison
Among 193 peers in this city , average services per provider: 141. This provider delivers 7.7× the peer median.Open Payments
Industry payments received
All-time total
$2,126
Transactions
71
Manufacturers
15
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| Salix Pharmaceuticals, a division of Bausch Health US, LLC | 9 | $184.07 | |
| Amgen Inc. | 7 | $166.41 | |
| BETA BIONICS, INC. | 9 | $146.16 | |
| Janssen Biotech, Inc. | 8 | $142.62 | |
| AIMMUNE THERAPEUTICS, INC. | 2 | $136.68 | |
| ABBVIE INC. | 6 | $136.01 | |
| Regeneron Healthcare Solutions, Inc. | 1 | $130.50 | |
| Lilly USA, LLC | 4 | $101.80 | |
| Boehringer Ingelheim Pharmaceuticals, Inc. | 5 | $98.99 | |
| Radius Health, Inc. | 4 | $97.32 | |
| CeQur Corporation | 1 | $93.53 | |
| GlaxoSmithKline, LLC. | 4 | $88.76 | |
| Phathom Pharmaceuticals, Inc. | 4 | $81.60 | |
| Novartis Pharmaceuticals Corporation | 4 | $71.45 | |
| Medtronic, Inc. | 3 | $64.19 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
676
Patients
202
Total drug cost
$34,981
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Omeprazole | Generic | 111 | 35 | $1,297 |
| Pantoprazole Sodium | Generic | 94 | 30 | $1,493 |
| Meloxicam | Generic | 66 | 20 | $297 |
| Sod Sulf-Potass Sulf-Mag Sulf (Sodium, Potassium,mag Sulfates) | Brand | 54 | 54 | $4,498 |
| Zolpidem Tartrate | Generic | 51 | 12 | $373 |
| Atorvastatin Calcium | Generic | 39 | 14 | $433 |
| Lisinopril | Generic | 35 | 0 | $114 |
| Levothyroxine Sodium | Generic | 32 | 11 | $433 |
| Rosuvastatin Calcium | Generic | 31 | 0 | $990 |
| Tamsulosin Hcl | Generic | 31 | 0 | $618 |
Hospital affiliations
Frequently asked questions
What is Dr. Simon Ritchken's medical specialty?
Dr. Simon Ritchken practices Internal Medicine Physician in San Diego, CA.
Where does Dr. Simon Ritchken practice?
Dr. Simon Ritchken practices at 4282 Genesee Ave, San Diego, CA 921174961. Office phone: 8582920108.
What is Dr. Simon Ritchken's NPI?
Dr. Simon Ritchken's National Provider Identifier (NPI) is 1255399341, issued by NPPES.
Does Dr. Simon Ritchken accept Medicare assignment?
Yes. Dr. Simon Ritchken accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Simon Ritchken commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Insertion of needle into vein for collection of blood sample (HCPCS 36415); New patient office or other outpatient visit (HCPCS 99204). Source: CMS Medicare Physician & Other Practitioners file.