Doctor profile · Federal record
Dr. Daan Ren, M.D.
Emergency Medicine Physician (CMS: Emergency Medicine) · Family Medicine Physician · Stockton, CA
- NPI 1851566004
- Accepts Medicare
- MIPS 71.1 / 100 · 2023
- 31 yrs in practice
- Male
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
2545 W Hammer Ln
Stockton, CA 952092839
(209) 957-7050 - Mailing address
-
600 Coffee RD
Modesto, CA 953554201
Credentials & registration
- NPI registered
- April 2008 — 18 yrs on file
- Profile last updated
- April 2, 2014
- Year of graduation
- 1995 — 31 yrs since
- Specialty taxonomy
- 207P00000X — NUCC code
- State license (1)
- California #A105313
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1851566004. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
662
Distinct HCPCS
4
Medicare allowed
$89,126
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99285 |
Emergency department visit with high level of medical decision making | 287 | 280 | $177 | |
99284 |
Emergency department visit with moderate level of medical decision making | 155 | 151 | $122 | |
93010 |
Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only | 135 | 127 | $8 | |
99291 |
Critical care, first 30-74 minutes | 85 | 83 | $216 |
In context: peer comparison
Among 12 peers in this city , average services per provider: 85. This provider delivers 7.8× the peer median.Medicare Part D · 2023
Top prescriptions
Total claims
359
Patients
345
Total drug cost
$3,603
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Ondansetron Odt (Ondansetron) | Brand | 67 | 65 | $434 |
| Cephalexin | Generic | 56 | 56 | $423 |
| Hydrocodone-Acetaminophen (Hydrocodone/Acetaminophen) | Brand | 29 | 29 | $151 |
| Naproxen | Generic | 28 | 28 | $125 |
| Amoxicillin-Clavulanate Potass (Amoxicillin/Potassium Clav) | Brand | 27 | 27 | $423 |
| Azithromycin | Generic | 23 | 23 | $118 |
| Meclizine Hcl | Generic | 18 | 18 | $120 |
| Acetaminophen-Codeine (Acetaminophen With Codeine) | Brand | 16 | 16 | $67 |
| Doxycycline Hyclate | Generic | 16 | 16 | $350 |
| Methylprednisolone | Generic | 15 | 15 | $193 |
Hospital affiliations
Frequently asked questions
What is Dr. Daan Ren's medical specialty?
Dr. Daan Ren practices Emergency Medicine Physician in Stockton, CA.
Where does Dr. Daan Ren practice?
Dr. Daan Ren practices at 2545 W Hammer Ln, Stockton, CA 952092839. Office phone: 2099577050.
What is Dr. Daan Ren's NPI?
Dr. Daan Ren's National Provider Identifier (NPI) is 1851566004, issued by NPPES.
Does Dr. Daan Ren accept Medicare assignment?
Yes. Dr. Daan Ren accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Daan Ren commonly perform?
Top Medicare-reported procedures in 2023: Emergency department visit with high level of medical decision making (HCPCS 99285); Emergency department visit with moderate level of medical decision making (HCPCS 99284); Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only (HCPCS 93010). Source: CMS Medicare Physician & Other Practitioners file.