Doctor profile · Federal record
Dr. Mark Welch, D.O.
Psychiatry Physician (CMS: Psychiatry) · Loma Linda, CA
- NPI 1225063555
- Accepts Medicare
- MIPS 76.4 / 100 · 2023
- 23 yrs in practice
- Male
- Solo practice
- No sanctions
Practice & contact
- Primary practice
-
11374 Mountain View Ave
Loma Linda, CA 923543830
(909) 558-6094 - Mailing address
-
7132 Daybreak Pl
Rancho Cucamonga, CA 917016302
Credentials & registration
- NPI registered
- July 2006 — 20 yrs on file
- Profile last updated
- September 25, 2008
- Year of graduation
- 2003 — 23 yrs since
- Specialty taxonomy
- 2084P0800X — NUCC code
- State license (1)
- California #2OA8950
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1225063555. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
396
Distinct HCPCS
5
Medicare allowed
$38,374
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 121 | 64 | $91 | |
95806 |
Sleep study including heart rate, breathing, airflow, and effort | 86 | 86 | $44 | |
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 82 | 53 | $128 | |
95810 |
Sleep study in sleep lab (6 years or older) | 55 | 55 | $120 | |
95811 |
Sleep study in sleep lab with continuous airway pressure (6 years or older) | 52 | 49 | $124 |
In context: peer comparison
Among 6 peers in this city , average services per provider: 159. This provider delivers 2.5× the peer median.Open Payments
Industry payments received
All-time total
$88
Transactions
3
Manufacturers
2
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| Resmed Corp | 2 | $57.20 | |
| ABBVIE INC. | 1 | $31.01 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
591
Patients
59
Total drug cost
$22,781
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Zolpidem Tartrate | Generic | 89 | 19 | $3,085 |
| Clonazepam | Generic | 67 | 11 | $344 |
| Duloxetine Hcl | Generic | 47 | 15 | $3,546 |
| Lorazepam | Generic | 43 | 0 | $233 |
| Bupropion Xl (Bupropion Hcl) | Brand | 42 | 14 | $3,831 |
| Dextroamphetamine-Amphetamine (Dextroamphetamine/Amphetamine) | Brand | 41 | 0 | $1,120 |
| Sertraline Hcl | Generic | 38 | 0 | $530 |
| Eszopiclone | Generic | 37 | 0 | $6,532 |
| Alprazolam | Generic | 36 | 0 | $472 |
| Trazodone Hcl | Generic | 36 | 0 | $739 |
Frequently asked questions
What is Dr. Mark Welch's medical specialty?
Dr. Mark Welch practices Psychiatry Physician in Loma Linda, CA.
Where does Dr. Mark Welch practice?
Dr. Mark Welch practices at 11374 Mountain View Ave, Loma Linda, CA 923543830. Office phone: 9095586094.
What is Dr. Mark Welch's NPI?
Dr. Mark Welch's National Provider Identifier (NPI) is 1225063555, issued by NPPES.
Does Dr. Mark Welch accept Medicare assignment?
Yes. Dr. Mark Welch accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Mark Welch commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99213); Sleep study including heart rate, breathing, airflow, and effort (HCPCS 95806); Established patient office or other outpatient visit (HCPCS 99214). Source: CMS Medicare Physician & Other Practitioners file.