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- 4 Courthouse Ln, Chelmsford, MA 01824
About Dr. Riordan
Matthew H. Riordan, DPM is a healthcare provider in Chelmsford, MA specializing in podiatry — foot & ankle surgery. Matthew trained at New York College of Podiatric Medicine, graduating in 2009. Medicare claims data shows Matthew provided 2,722 services to 1,441 patients. The services billed most often include established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more, removal of fingernails or toenails, 1-5 nails, and removal of noncancer thickened skin growth, 2-4 growths. This provider record is associated with NPI 1710114269.
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
- (978) 441-9241
- Email not available
Is this your home address or personal number? Hide it
Practice Locations
4 COURTHOUSE LN
Chelmsford, MA 01824
Conditions Commonly Evaluated or Treated
Within Podiatry — Foot & Ankle Surgery 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
- Bunions
- Diabetic foot ulcer
- Foot fungus
- Heel pain
- Ingrown toenails
Arthritis
- Ankle arthritis
- Gout
- Stiff Big Toe
Bone
Circulation
Deformities
- Claw toe
- Pump bump
Deformity
- Flat Feet
- Hammertoe
- High Arches
- Tailor's Bunion
Diabetes & circulation
General
- Swollen Feet And Ankles
Infections
- Foot Cellulitis
Injuries
- Lisfranc Injury
- Turf toe
Injury
- Ankle fracture
- Ankle sprain
- Broken Foot
- Broken Toe
- Shin Splints
- Stress Fracture In Foot
Joints
- Ankle Impingement
- Toe Joint Pain
Lumps & bumps
- Ganglion Cyst On Foot
Lumps & Bumps
- Plantar Fibroma
Nerve
- Burning Feet
- Foot Drop
- Foot Numbness
- Neuroma In Foot
- Peripheral neuropathy
- Tarsal Tunnel Syndrome
Pain
- Ball Of Foot Pain
- Foot Arch Pain
- Foot cramps
- Heel Bursitis
- Sesamoiditis
- Top of foot pain
Pediatric
Skin & nail
- Athletes Foot
- Black Toenail
- Blisters On Feet
- Corns And Calluses
- Cracked Heels
- Sweaty Feet
- Thick Toenails
Skin & Nails
- Loose Toenail
- Smelly Feet
- Warts
Tendon & ligament
- Achilles Tendon Pain
- Chronic Ankle Instability
- Posterior Tibial Tendonitis
- Torn Achilles tendon
Tendonitis
- Peroneal Tendonitis
Procedures & services
Spine & Orthopedics
Most searched procedures
- Bunion surgery
- Custom orthotics
- Foot wart removal
- Heel pain treatment
- Ingrown toenail removal
Diagnostics
- Nail Biopsy
Diagnostics & exams
- Diabetic Foot Checkup
- Foot X-Ray
- Skin lump biopsy
Diagnostics & fittings
- Ankle Brace Fitting
- Diabetic Shoe Fitting
- Walking Boot Fitting
Imaging
- Ultrasound Of The Foot
Injections
- Alcohol Injections For Neuroma
- Amniotic Fluid Injection
- Cortisone Injection For Foot
- Foot Nerve Block
- PRP Injection For Foot
Nail & skin care
- Blood Under Toenail Drainage
- Corn And Callus Removal
- Laser Toenail Fungus Treatment
- Permanent Toenail Removal
- Routine Podiatric Nail Trimming
Non-Surgical
- Bunion Splinting
- Night Splint Fitting
- Toe Spacer Fitting
Skin & Nails
- Cryotherapy for skin lesions
- Swift wart treatment
- Wart Acid Treatment
Surgery
- Achilles Tendon Lengthening
- Achilles tendon repair
- Ankle arthroscopy
- Ankle fusion
- Ankle Ligament Surgery
- Ankle Replacement
- Big Toe Joint Replacement
- Bone Spur Removal Foot
- Broken Ankle Surgery
- Flat Foot Reconstruction
- Ganglion Cyst Removal On Foot
- Hammertoe Surgery
- Heel Spur Removal
- Lapiplasty
- Minimally invasive bunion surgery
- Morton's Neuroma Surgery
- Peroneal Tendon Repair
- Plantar Fascia Release
- Plantar Fibroma Removal
- Plantar plate repair
- Pump bump surgery
- Stiff Big Toe Surgery
- Subtalar arthroereisis
- Tarsal Tunnel Release
- Tendon Transfer In Foot
Therapy
- Broken Toe Taping
- Foot Casting
- Shockwave Therapy
Wound care
- Skin Substitute Graft For Foot Ulcer
- Wound Debridement For Foot Ulcer
Procedures Most Often Billed to Medicare
2,722 services · 1,441 patients · 17 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Removal of fingernails or toenails, 1-5 nails | Procedure | 11720 |
465 | More often than most peers in Podiatry — Foot & Ankle Surgery |
| Removal of noncancer thickened skin growth, 2-4 growths | Procedure | 11056 |
326 | More often than most peers in Podiatry — Foot & Ankle Surgery |
| Removal of skin and tissue, 20.0 sq cm or less | Procedure | 11042 |
151 | More often than most peers in Podiatry — Foot & Ankle Surgery |
| Removal of fingernails or toenails, 6 or more nails | Procedure | 11721 |
133 | As often as other peers in Podiatry — Foot & Ankle Surgery |
| Removal of noncancer thickened skin growth, 1 growth | Procedure | 11055 |
57 | As often as other peers in Podiatry — Foot & Ankle Surgery |
| Trimming of fingernails or toenails | Procedure | 11719 |
31 | Less often than most peers in Podiatry — Foot & Ankle Surgery |
| Simple separation of fingernail or toenail from nail bed, first nail | Procedure | 11730 |
23 | As often as other peers in Podiatry — Foot & Ankle Surgery |
| Injection into tendon or ligament | Procedure | 20550 |
14 | Less often than most peers in Podiatry — Foot & Ankle Surgery |
| Placement of strapping to ankle or foot | Procedure | 29540 |
11 | Less often than most peers in Podiatry — Foot & Ankle Surgery |
| X-ray of foot, minimum of 3 views | Imaging | 73630 |
129 | More often than most peers in Podiatry — Foot & Ankle Surgery |
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 podiatry specialists at this location 4
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.
More connections — 24 related providers in 3 groups
Trained at New York College of Podiatric Medicine 8
Other providers in the same specialty who trained at the same institution.
Class of 2009 at New York College of Podiatric Medicine 8
Providers who graduated from the same medical school in the same year.
Also performs Removal of fingernails or toenails, 1-5 nails 8
Providers in MA who bill this service to Medicare most often.
Common questions
What kind of doctor is Dr. Riordan?
Dr. Riordan is a podiatry in Chelmsford, MA. That is the designation recorded for this NPI in the federal registry, where it is listed as “Podiatry — Foot & Ankle Surgery”.
NPI registry
What is Dr. Riordan's address?
Dr. Riordan is listed at 4 Courthouse Ln, Chelmsford, MA 01824. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How can I make an appointment with Dr. Riordan?
The number on file is (978) 441-9241. Contact the office directly to confirm availability and scheduling.
NPI registry
What is the NPI for Dr. Riordan?
Dr. Riordan's National Provider Identifier is 1710114269. 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 Dr. Riordan train?
Dr. Riordan attended New York College of Podiatric Medicine, graduating in 2009. This comes from the CMS National Downloadable File.
CMS public data
How much experience does Dr. Riordan have?
Dr. Riordan has 17 years experience. Calculated from a graduation year of 2009, reported in the CMS National Downloadable File.
CMS public data
What procedures does Dr. Riordan perform?
According to Medicare billing data, Dr. Riordan performs procedures including removal of fingernails or toenails, 1-5 nails, removal of noncancer thickened skin growth, 2-4 growths and removal of skin and tissue, 20.0 sq cm or less; reads or performs imaging such as x-ray of foot, minimum of 3 views and x-ray of ankle, minimum of 3 views, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Is Dr. Riordan's profile verified?
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Riordan. If this is you, claiming it is free.
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