Dr. Glenn Callahan, DPM
What this data tells you about Dr. Callahan
Dr. Glenn Callahan is a podiatrist in Yonkers, NY, with 19 years of NPI registration. Based on federal Medicare data, Dr. Callahan performed 2,510 Medicare services across 1,123 unique beneficiaries.
Between the years covered by Open Payments, Dr. Callahan received a total of $27 from 1 pharmaceutical and/or device company across 2 individual payments. These payments are legal, publicly disclosed under the federal Sunshine Act, and common in podiatrist. Most payments are for meals and travel — low-value interactions common across virtually all practicing physicians. Patients may wish to discuss these relationships with their provider.
The Data Coverage level for Dr. Callahan is Very High — reflecting how much public federal data is available about this provider. This is not a quality rating. Patients are encouraged to use this data as one of several factors when choosing a healthcare provider.
Medicare Practice Summary
Medicare Utilization ↗Top procedures by volume
Ranked by number of services performed for Medicare patients. Avg. submitted charge is what the provider billed; avg. Medicare payment is what CMS paid.
| Procedure | Volume | Avg. paid | Avg. submitted |
|---|---|---|---|
| Office visit, established patient (20-29 min) An office visit for an existing patient lasting between 20 and 29 minutes. The visit involves medical evaluation and management of the patient's condition. |
814 | $74 | $215 |
| Toenail/fingernail removal, 6+ nails Surgical removal of six or more fingernails or toenails. This procedure involves the excision of multiple nails during a single session. |
370 | $38 | $104 |
| Dexamethasone injection (steroid) An injection of dexamethasone sodium phosphate, a corticosteroid medication, administered in a dose of 1 milligram. |
222 | $0 | $15 |
| Injection, methylprednisolone acetate, 40 mg | 221 | $6 | $15 |
| Trimming of fingernails or toenails | 128 | $6 | $32 |
| Joint fluid aspiration or injection, small joint Removal of fluid from a small joint or injection of medication into a small joint. |
124 | $37 | $113 |
| Wound tissue removal, 20 sq cm or less This procedure involves the removal of tissue from a wound area measuring 20 square centimeters or less. |
111 | $87 | $220 |
| Foot X-ray, 3+ views An X-ray imaging test of the foot that captures at least three different views to evaluate the bones and joints. |
101 | $24 | $77 |
| Removal of more than 4 noncancerous thickened skin growths This procedure involves the removal of more than four noncancerous thickened skin growths. It is a surgical intervention to eliminate benign skin lesions. |
85 | $80 | $153 |
| Tendon or ligament injection A procedure involving the injection of medication into a tendon or ligament. |
83 | $46 | $140 |
| Destruction of skin growths (warts/lesions), 1-14 This procedure involves the removal or destruction of one to fourteen skin growths. It is a minor surgical intervention performed on the skin surface. |
45 | $105 | $260 |
| Removal of thickened skin growths, 2-4 This procedure involves the removal of two to four benign, thickened skin growths. It is a minor surgical intervention to eliminate non-cancerous skin lesions. |
42 | $73 | $136 |
| New patient office visit (30-44 min) An initial office visit for a new patient lasting between 30 and 44 minutes. This code is used when the total time spent on the date of the encounter falls within this range. |
39 | $93 | $315 |
| X-ray of foot, 2 views An X-ray imaging test of the foot using two different angles to create pictures of the bones and joints. |
30 | $22 | $67 |
| Chemical application to prevent wound tissue regrowth A chemical agent is applied to a wound to inhibit the regrowth of tissue. This procedure focuses on the application of the substance to manage the wound bed. |
23 | $71 | $190 |
| Simple drainage of skin abscess A minor procedure to drain a localized collection of pus from the skin. The abscess is opened to allow the fluid to escape and promote healing. |
21 | $119 | $272 |
| Simple separation of fingernail or toenail from nail bed, first nail A procedure to separate the first fingernail or toenail from the underlying nail bed. |
19 | $102 | $231 |
| Permanent removal fingernail or toenail | 18 | $116 | $526 |
| Office visit, established patient (10-19 min) An office visit for an existing patient lasting 10 to 19 minutes. The visit involves medical evaluation and management of the patient's condition. |
14 | $49 | $125 |
Industry Payment Transparency
Open Payments through 2018 ↗Payment profile
Industry payments classified by relationship type. Not all payments are equal — research and consulting reflect different relationships than speaking programs or meals.
Payment trend by year
Annual totals from pharmaceutical and medical device companies.
Payments by company (2018)
Associated products mentioned in payments ›
Most payments (100%) are for meals and travel — low-value interactions that are common across virtually all practicing physicians.
Geographic Context
2.0 mi
Data Sources
| Provider Registry | ✓ NPPES | Weekly updates |
| Medicare Enrollment | ✓ PECOS | Monthly updates |
| Practice Data | ✓ Medicare Util. | Annual (CY lag) |
| Industry Payments | ✓ Open Payments | CY 2018 |
| Disciplinary History | — Not public | N/A |
This provider has data in 4 of 4 available federal datasets, with a Data Coverage level of Very High. This measures how much public data is available about a provider — not how good they are. How we calculate this →
Summary
Dr. Callahan is a clinical cardiology specialist, with above-average Medicare volume (top 22% in NY), with low-engagement industry engagement, with 19 years of NPI registration.
This summary is auto-generated from federal data. It describes data availability and patterns — not clinical quality. Read our methodology →
Frequently Asked Questions
Is Dr. Callahan experienced with office visit, established patient (20-29 min)?
Does Dr. Callahan receive payments from pharmaceutical companies?
How do Dr. Callahan's costs compare to other podiatrists in Yonkers?
What does Data Coverage mean?
Is this data up to date?
Explore related providers
All data on this page is sourced verbatim from public federal records published by the U.S. Centers for Medicare & Medicaid Services (CMS): NPPES ↗, Open Payments ↗, Medicare Provider Utilization ↗, and PECOS. Publication is mandated by the Physician Payments Sunshine Act (§6002 ACA, 42 U.S.C. §1320a-7h) and the Freedom of Information Act.
This page is not medical advice, an endorsement, a recommendation, or a quality rating. The Transparency Score measures data completeness — how much federal information exists for this provider — not clinical performance, patient outcomes, or quality of care. Always verify information directly with the provider and consult a licensed clinician before making medical decisions.
Provider corrections: Provider portal · Privacy questions: Privacy Policy · Terms: Terms of Use · Methodology: Methodology