Are you Mark A. Welch, D.O.? This profile is yours to edit: update your address, phone, photo and services.
Edit this profileMark A. Welch, D.O. is a healthcare provider in Loma Linda, CA specializing in psychiatry. Medicare claims data shows Mark provided 474 services to 381 patients. The services billed most often include established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more, sleep study including heart rate, breathing, airflow, and effort, and sleep study in sleep lab with continuous airway pressure (6 years or older). This provider record is associated with NPI 1225063555.
Factual summary compiled by Guide.md from public records; not written by this provider.
Exactly as CMS reports it (National Downloadable File, Opt-Out Affidavits, Order & Referring). Not an insurance directory; confirm coverage with the office.
11374 MOUNTAIN VIEW AVE
Loma Linda, CA 92354
Within Psychiatry generally. Availability varies by clinician, training and location — this profile has not been claimed, so nothing here is a personal claim by the provider.
Most searched conditions
Anxiety, trauma, and obsessive-compulsive
Mood disorders
Psychotic disorders
Substance-related and addictive
Addiction & Substance Use
Cognitive and adjustment
Eating Disorders
Eating, sleep, and somatic
Mood & Depression
Neurodevelopmental and behavioral
Personality and dissociative
Sleep & Wakefulness
Most searched procedures
Assessment
Addiction care
Addiction Medicine
Assessments
Brain stimulation
Consultations
Diagnostics
Inpatient care
Interventional psychiatry
Psychotherapy
Sleep Medicine
Specialized care
Therapy
Therapy and care
474 services · 381 patients · 6 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Sleep study including heart rate, breathing, airflow, and effort | Treatment | 95806 |
103 | Too few peers to compare |
| Sleep study in sleep lab with continuous airway pressure (6 years or older) | Treatment | 95811 |
75 | More than most peers in Psychiatry |
| Sleep study in sleep lab (6 years or older) | Treatment | 95810 |
42 | More often than most peers in Psychiatry |
| Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more | Office visit | 99214 |
161 | More often than most peers in Psychiatry |
| Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more | Office visit | 99213 |
61 | As often as other peers in Psychiatry |
| New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more | Office visit | 99204 |
32 | More often than most peers in Psychiatry |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Mark A. Welch is a psychiatrist in Loma Linda, CA. That is the designation recorded for this NPI in the federal registry, where it is listed as “Psychiatry”.
NPI registry
Mark A. Welch is listed at 11374 Mountain View Ave, Loma Linda, CA 92354. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
The number on file is (909) 558-6094. Contact the office directly to confirm availability and scheduling.
NPI registry
Mark A. Welch's National Provider Identifier is 1225063555. It is issued by the Centers for Medicare & Medicaid Services and is unique and permanent — it does not change if they move practice.
NPI registry
Mark A. Welch attended Other, graduating in 2003. This comes from the CMS National Downloadable File.
CMS public data
Mark A. Welch has 23 years experience. Calculated from a graduation year of 2003, reported in the CMS National Downloadable File.
CMS public data
According to Medicare billing data, Mark A. Welch provides treatments such as sleep study including heart rate, breathing, airflow, and effort and sleep study in sleep lab with continuous airway pressure, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Not yet. This profile is built from public federal data and has not been confirmed by Mark A. Welch. If this is you, claiming it is free.
Guide.md
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