Provider Profile
Allyson M. Merriam, DPT practices physical medicine & rehabilitation in Irvine, CA. According to Medicare claims data, Allyson cared for 559 Medicare patients across 4,817 services. The services billed most often include therapy procedure using manual technique, each 15 minutes, therapy procedure to re-educate brain-to-nerve-to-muscle function, each 15 minutes, and therapy procedure using exercise to develop strength, endurance, range of motion, and flexibility, each 15 minutes.
Summarised automatically from public NPI registry and CMS Medicare data. Not written or reviewed by this provider. Claim this profile to replace it — free, and no identity document with a practice or institutional email.
License numbers are what the provider reported to NPPES when the NPI was issued or updated. NPPES does not verify licensure; confirm current standing with the state licensing board.
Exactly as CMS reports it (National Downloadable File, Opt-Out Affidavits, Order & Referring). Not an insurance directory; confirm coverage with the office.
19732 MACARTHUR BLVD STE 125
Irvine, CA 92612
Within Physical Medicine and Rehabilitation 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
Brain and nerve conditions
Chronic pain
Foot & ankle
Joint pain
Joints and arms
Joints and legs
Mobility
Muscle & tendon
Nerve and muscle pain
Nerve pain
Neurological rehab
Pain management
Rehab and mobility
Rehabilitation
Spine and back
Spine care
Most searched procedures
Devices and implants
Diagnostics
Diagnostics and tests
Injections and pain relief
Joint care
Mobility
Muscle & tendon
Nerve procedures
Neuromuscular
Pain management
Physical medicine
Rehab and mobility
Rehabilitation
Spine procedures
4,817 services · 559 patients · 8 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Therapy procedure using manual technique, each 15 minutes | Treatment | 97140 |
2,009 | More than most peers in Rehabilitation medicine |
| Therapy procedure to re-educate brain-to-nerve-to-muscle function, each 15 minutes | Treatment | 97112 |
1,293 | More than most peers in Rehabilitation medicine |
| Therapy procedure using exercise to develop strength, endurance, range of motion, and flexibility, each 15 minutes | Treatment | 97110 |
1,098 | More often than most peers in Rehabilitation medicine |
| Therapy procedure in a group setting | Treatment | 97150 |
175 | As often as other peers in Rehabilitation medicine |
| Therapy procedure for walking training, each 15 minutes | Treatment | 97116 |
70 | Less often than most peers in Rehabilitation medicine |
| Evaluation for physical therapy, typically 30 minutes | Treatment | 97162 |
63 | More often than most peers in Rehabilitation medicine |
| Evaluation for physical therapy, typically 20 minutes | Treatment | 97161 |
49 | More often than most peers in Rehabilitation medicine |
| Electrical stimulation (unattended), to one or more areas for indication(s) other than wound care, as part of a therapy plan of care | Billing code | G0283 |
60 | Less often than most peers in Rehabilitation medicine |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Allyson M. Merriam is a rehabilitation physician in Irvine, CA. That is the designation recorded for this NPI in the federal registry, where it is listed as “Physical Medicine & Rehabilitation”.
NPI registry
Allyson M. Merriam is listed at 19732 Macarthur Blvd Ste 125, Irvine, CA 92612. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
The number on file is (949) 644-2022. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
Allyson M. Merriam's National Provider Identifier is 1629676184. 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
Allyson M. Merriam attended Other, graduating in 2020. This comes from the CMS National Downloadable File.
CMS public data
Allyson M. Merriam has 6 years experience. Calculated from a graduation year of 2020, reported in the CMS National Downloadable File.
CMS public data
According to Medicare billing data, Allyson M. Merriam provides treatments such as therapy procedure using manual technique, each 15 minutes and therapy procedure to re-educate brain-to-nerve-to-muscle function, each 15 minutes. 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 Allyson M. Merriam. If this is you, claiming it is free.
Guide.md
Provider data sourced from the NPPES NPI Registry and CMS public datasets. Information is provided for reference and is not medical advice.