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Dr. Callahan is a podiatry in North Andover, MA. This is the primary taxonomy recorded against the NPI in the federal registry, listed there as “PODIATRY”.
NPI registry
Dr. Callahan is listed at 873 TURNPIKE ST, North Andover, MA 01845. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
The number on file is (978) 681-0406. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
Dr. Callahan's National Provider Identifier is 1093782286. 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
Dr. Callahan attended Other, graduating in 1981. This comes from the CMS National Downloadable File.
CMS public data
Dr. Callahan has 45 years experience. Calculated from a graduation year of 1981, reported in the CMS National Downloadable File.
CMS public data
According to Medicare billing data, Dr. Callahan performs procedures including removal of fingernails or toenails, 6 or more nails, removal of noncancer thickened skin growth, 2-4 growths and removal of noncancer thickened skin growth, more than 4 growths; reads or performs imaging such as x-ray of foot, minimum of 3 views; provides treatments such as removal of tissue from wound, 20.0 sq cm or less, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
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Guide.md
Source: NPPES NPI Registry
873 TURNPIKE ST
North Andover, MA 01845
2,707 services · 988 patients · 15 distinct codes
| Procedure | Type | Code | Services |
|---|---|---|---|
| Removal of fingernails or toenails, 6 or more nails | Procedure | 11721 |
1,119 |
| Removal of noncancer thickened skin growth, 2-4 growths | Procedure | 11056 |
253 |
| Removal of noncancer thickened skin growth, more than 4 growths | Procedure | 11057 |
239 |
| Destruction of skin growth, 1-14 growths | Procedure | 17110 |
106 |
| Removal of fingernails or toenails, 1-5 nails | Procedure | 11720 |
83 |
| Removal of inflamed or infected skin, up to 10% of body surface | Procedure | 11000 |
80 |
| Placement of strapping to toes | Procedure | 29550 |
31 |
| Shaving of skin growth of scalp, neck, hands, feet, or genitals, 0.5 cm or less | Procedure | 11305 |
20 |
| X-ray of foot, minimum of 3 views | Imaging | 73630 |
23 |
| Removal of tissue from wound, 20.0 sq cm or less | Treatment | 97597 |
62 |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
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Claim this profileConnections drawn from the registry and from what providers have told us. A link here is not a referral or an endorsement.
Providers at the same street address. Each files their own registry entry, so a shared practice often appears under several different names.
Same specialty, same city.
Other providers in the same specialty who trained at the same institution.
Providers who graduated from the same medical school in the same year.
Providers in MA who bill this service to Medicare most often.
Provider data sourced from the NPPES NPI Registry and CMS public datasets. Information is provided for reference and is not medical advice.