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Edit this profileAt a glance
- 840 Winter St, Waltham, MA 02451
About Merlin Gerst
Merlin Gerst, PT is a physical therapist practicing in Waltham, MA. According to Medicare claims data, Merlin cared for 379 Medicare patients across 4,455 services. The services billed most often include therapy procedure using exercise to develop strength, endurance, range of motion, and flexibility, each 15 minutes, therapy procedure for walking training, each 15 minutes, and therapy procedure using functional activities. This provider record is associated with NPI 1295718658.
Factual summary compiled by Guide.md from public records; not written by this provider.
Education & Training
Specialty
Credentials & Licensing
Medicare information
Exactly as CMS reports it (National Downloadable File, Opt-Out Affidavits, Order & Referring). Not an insurance directory; confirm coverage with the office.
Contact Information
- (781) 487-9944
- Email not available
Practice Locations
840 WINTER ST
Waltham, MA 02451
Conditions Supported and Services
Within Physical Therapy generally. Availability varies by clinician, training and location — this profile has not been claimed, so nothing here is a personal claim by the provider.
Conditions
Most searched conditions
- Knee pain
- Lower back pain
- Pelvic floor dysfunction
- Post-surgery rehab
- Sports injuries
- Stroke recovery
Back & Spine
Balance & head
Circulation
Foot & ankle
Foot & Ankle
Hand & Wrist
Hip & Pelvis
Joint & muscle
- Diastasis Recti
- Fibromyalgia Pain
- Frozen shoulder
- Golfer's elbow
- Groin Strain
- Hamstring Pull
- Hip osteoarthritis
- IT Band Syndrome
- Lateral hip pain and trochanteric bursitis
- Osteoarthritis
- Shoulder Pain
- Tennis elbow
Joints
Knee & Leg
Neck & Head
Nerve & Spine
Nerve issues
Neurological
Pelvic Health
Shoulder
Spine & neck
Procedures & services
Equipment & devices
Hands-on therapies
Most searched procedures
Aquatic Therapy
Assessments
Back & Spine
Balance & neurological
- Balance Training
- Concussion Rehab
- Epley Maneuver
- Gait Training
- Parkinson's Movement Program
- Vestibular Rehabilitation
Evaluation
Exercise Therapy
Foot & Ankle
General Therapy
Hands-on Therapy
Mobility & Balance
Pain Relief Devices
Pelvic Health
Post-op care
Prevention & posture
Specialized programs
- Aquatic Therapy
- Blood Flow Restriction Training
- Lymphedema Drainage Therapy
- McKenzie Method Treatment
- Running Gait Analysis
- TMJ Physical Therapy
- Work Conditioning Program
Specialized PT
- Cardiopulmonary Physical Therapy
- Geriatric Physical Therapy
- Hand therapy
- Neurological Physical Therapy
- Pediatric Physical Therapy
Sports Performance
Support & stabilization
Procedures Most Often Billed to Medicare
4,455 services · 379 patients · 8 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Therapy procedure using exercise to develop strength, endurance, range of motion, and flexibility, each 15 minutes | Treatment | 97110 |
2,297 | More than most peers in Physical Therapist |
| Therapy procedure for walking training, each 15 minutes | Treatment | 97116 |
810 | More often than most peers in Physical Therapist |
| Therapy procedure using functional activities | Treatment | 97530 |
641 | More often than most peers in Physical Therapist |
| Therapy procedure using manual technique, each 15 minutes | Treatment | 97140 |
264 | As often as other peers in Physical Therapist |
| Therapy procedure to re-educate brain-to-nerve-to-muscle function, each 15 minutes | Treatment | 97112 |
252 | As often as other peers in Physical Therapist |
| Training for self-care or home management, each 15 minutes | Treatment | 97535 |
126 | More often than most peers in Physical Therapist |
| Evaluation for physical therapy, typically 30 minutes | Treatment | 97162 |
38 | More often than most peers in Physical Therapist |
| Evaluation for physical therapy, typically 45 minutes | Treatment | 97163 |
27 | More often than most peers in Physical Therapist |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Related providers
Connections drawn from the registry and from what providers have told us. A link here is not a referral or an endorsement.
Other physical therapists at this location 8
Same specialty, same street address — most likely the same department or group.
Also at this address 4
Providers at the same street address. Each files their own registry entry, so a shared practice often appears under several different names.
Other physical therapists in Waltham 6
Same specialty, same city.
More connections — 24 related providers in 3 groups
Trained at Other 8
Other providers in the same specialty who trained at the same institution.
Class of 2002 at Other 8
Providers who graduated from the same medical school in the same year.
Also performs Therapy procedure using exercise to develop strength, endurance, range of motion, and flexibility, each 15 minutes 8
Providers in MA who bill this service to Medicare most often.
Common questions
What does Merlin Gerst specialize in?
Merlin Gerst is a physical therapist in Waltham, MA. That is the designation recorded for this NPI in the federal registry.
NPI registry
Where is Merlin Gerst located?
Merlin Gerst is listed at 840 Winter St, Waltham, MA 02451. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
What is Merlin Gerst's phone number?
The number on file is (781) 487-9944. Contact the office directly to confirm availability and scheduling.
NPI registry
What is Merlin Gerst's NPI number?
Merlin Gerst's National Provider Identifier is 1295718658. 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
Where did Merlin Gerst train?
Merlin Gerst attended Other, graduating in 2002. This comes from the CMS National Downloadable File.
CMS public data
How long has Merlin Gerst been practicing?
Merlin Gerst has 24 years experience. Calculated from a graduation year of 2002, reported in the CMS National Downloadable File.
CMS public data
What does Merlin Gerst do most often?
According to Medicare billing data, Merlin Gerst provides treatments such as therapy procedure using exercise to develop strength, endurance, range of motion, and flexibility, each 15 minutes and therapy procedure for walking training, each 15 minutes. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Has Merlin Gerst confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by Merlin Gerst. If this is you, claiming it is free.
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