Doctor profile · Federal record
Dr. Christopher Simmons, M.D.
Internal Medicine Physician (CMS: Internal Medicine) · Lafayette, CA
- NPI 1083630081
- Accepts Medicare
- 35 yrs in practice
- Male
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
3466 Mt Diablo Blvd, Suite C-104
Lafayette, CA 945497106
(925) 284-4442
fax (925) 283-8687 - Mailing address
-
Dept 34929, P.O. Box 39000
San Francisco, CA 941390001
Credentials & registration
- NPI registered
- July 2006 — 20 yrs on file
- Profile last updated
- June 21, 2012
- Year of graduation
- 1991 — 35 yrs since
- Specialty taxonomy
- 207R00000X — NUCC code
- State license (1)
- California #A52899
- Medicaid
- CA #00A528990
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1083630081. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
1,019
Distinct HCPCS
9
Medicare allowed
$111,185
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 477 | 245 | $134 | |
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 242 | 158 | $100 | |
93000 |
Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report | 94 | 91 | $17 | |
G0439 |
Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit | 68 | 68 | $97 | |
99215 |
Established patient office or other outpatient visit, 40-54 minutes | 62 | 58 | $195 | |
82270 |
Stool analysis for blood to screen for colon tumors | 24 | 24 | $4 | |
99211 |
Office or other outpatient visit for the evaluation and management of established patient that may not require presence of healthcare professional | 20 | 14 | $29 | |
99212 |
Established patient office or other outpatient visit, 10-19 minutes | 16 | 15 | $57 | |
G0438 |
Annual wellness visit; includes a personalized prevention plan of service (pps), initial visit | 16 | 16 | $60 |
In context: peer comparison
Among 3 peers in Lafayette Internal Medicine Physician, average services per provider: 108. This provider delivers 9.4× the peer median.Open Payments
Industry payments received
All-time total
$14
Transactions
1
Manufacturers
1
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| Amgen INC. | 1 | $14.09 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
2,761
Patients
905
Total drug cost
$192,817
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Rosuvastatin Calcium | Generic | 504 | 168 | $14,978 |
| Levothyroxine Sodium | Generic | 355 | 107 | $5,573 |
| Amlodipine Besylate | Generic | 299 | 100 | $2,736 |
| Lisinopril | Generic | 212 | 70 | $2,530 |
| Atorvastatin Calcium | Generic | 205 | 73 | $2,311 |
| Eliquis (Apixaban) | Brand | 146 | 30 | $149,565 |
| Metoprolol Succinate | Generic | 141 | 49 | $2,989 |
| Gabapentin | Generic | 130 | 43 | $2,070 |
| Pravastatin Sodium | Generic | 129 | 48 | $2,876 |
| Hydrochlorothiazide | Generic | 115 | 39 | $914 |
Hospital affiliations
Frequently asked questions
What is Dr. Christopher Simmons's medical specialty?
Dr. Christopher Simmons practices Internal Medicine Physician in Lafayette, CA.
Where does Dr. Christopher Simmons practice?
Dr. Christopher Simmons practices at 3466 Mt Diablo Blvd, Lafayette, CA 945497106. Office phone: 9252844442.
What is Dr. Christopher Simmons's NPI?
Dr. Christopher Simmons's National Provider Identifier (NPI) is 1083630081, issued by NPPES.
Does Dr. Christopher Simmons accept Medicare assignment?
Yes. Dr. Christopher Simmons accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Christopher Simmons commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Established patient office or other outpatient visit (HCPCS 99213); Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report (HCPCS 93000). Source: CMS Medicare Physician & Other Practitioners file.