Dr. Michael Zapf, D.P.M.
What this data tells you about Dr. Zapf
Dr. Michael Zapf is a podiatrist in Thousand Oaks, CA, with 20 years of NPI registration. Based on federal Medicare data, Dr. Zapf performed 3,978 Medicare services across 2,128 unique beneficiaries.
Between the years covered by Open Payments, Dr. Zapf received a total of $2,559 from 21 pharmaceutical and/or device companies across 37 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. Zapf is Very High — reflecting how much public federal data is available about this provider. 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. |
624 | $71 | $302 |
| Trimming of dystrophic nails Trimming of dystrophic nails, any number |
559 | $13 | $83 |
| 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. |
345 | $69 | $280 |
| Toenail/fingernail removal, 1-5 nails This procedure involves the removal of one to five fingernails or toenails. |
342 | $27 | $113 |
| 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. |
289 | $84 | $370 |
| Manual therapy (hands-on treatment), per 15 min | 246 | $16 | $91 |
| Removal of noncancer thickened skin growth, 1 growth This procedure involves the removal of a single benign, thickened skin growth. It is a minor surgical intervention to eliminate the lesion. |
200 | $58 | $246 |
| 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. |
188 | $45 | $188 |
| Electrical stimulation therapy Application of electrical stimulation to one or more body areas as part of a therapy plan. This procedure is used for indications other than wound care. |
151 | $7 | $43 |
| 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. |
126 | $22 | $99 |
| Physical therapy exercise, per 15 min A therapy session using exercises to improve strength, endurance, range of motion, and flexibility. Each 15-minute unit is billed separately. |
112 | $21 | $99 |
| Ultrasound therapy, each 15 minutes Application of ultrasound waves to tissue for therapeutic purposes. The procedure is billed in 15-minute increments. |
108 | $9 | $48 |
| 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. |
89 | $98 | $402 |
| Betamethasone steroid injection An injection containing a combination of betamethasone acetate and betamethasone sodium phosphate. |
85 | $5 | $20 |
| 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. |
77 | $76 | $306 |
| 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. |
72 | $34 | $150 |
| Ankle or foot strapping Application of supportive bandages or tape to the ankle or foot to provide stability and protection. |
66 | $24 | $108 |
| 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. |
63 | $26 | $120 |
| Limited ultrasound of joint or extremity A focused ultrasound exam of a specific joint or other structure in the arm or leg, excluding blood vessels. |
47 | $36 | $191 |
| 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. |
36 | $79 | $347 |
| Permanent removal fingernail or toenail | 34 | $118 | $557 |
| Foot nerve injection with anesthetic and/or steroid An injection of an anesthetic and/or steroid medication into a nerve in the foot. |
33 | $37 | $157 |
| Tendon or ligament injection A procedure involving the injection of medication into a tendon or ligament. |
29 | $47 | $193 |
| Joint fluid aspiration or injection, small joint Removal of fluid from a small joint or injection of medication into a small joint. |
23 | $38 | $181 |
| Toe strapping Application of strapping to the toes for support or stabilization. |
21 | $14 | $66 |
| Evaluation for physical therapy, typically 30 minutes | 13 | $76 | $332 |
Industry Payment Transparency
Open Payments through 2024 ↗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 (2024)
All-time payments by company (2018-2024) ›
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
0.0 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 2024 |
| 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 reflects how much public data is available about a provider. How we calculate this →
Summary
Dr. Zapf is a clinical cardiology specialist, with above-average Medicare volume (top 13% in CA), with low-engagement industry engagement, with 20 years of NPI registration.
This summary is auto-generated from federal data, describing data availability and patterns. Read our methodology →
Frequently Asked Questions
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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. Data Coverage reflects 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.
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