ISAAC WILHELM DPM
NPI 1558854059
Podiatrist - Foot & Ankle Surgery in Monterey, CA

Q: What is Isaac Wilhelm's NPI number?

The NPI number for Isaac Wilhelm is 1558854059. It was assigned to this individual provider in the NPPES registry on June 8, 2018.

Q: What is Isaac Wilhelm's specialty?

The primary specialty registered for this NPI is Podiatrist, specializing in Foot & Ankle Surgery, with taxonomy code 213ES0103X.

Q: When was this NPI record last updated?

The NPPES record for Isaac Wilhelm was last updated on January 5, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 10 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.

Active since June 08, 2018PECOS EnrolledAccepts Medicare Assignment

2 UPPER RAGSDALE DR STE B260, MONTEREY, CA 93940(831) 230-0520 Get Directions Write a Review

NPPES record last updated: January 5, 2026. Verified against the NPPES registry weekly; last sync: November 08, 2026.

Record update history: Jan 5, 2026, Aug 5, 2022, Feb 3, 2020 (3 updates tracked since 2020).

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About Isaac Wilhelm Dpm NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

ISAAC WILHELM DPM (NPI 1558854059) is an individual foot & ankle surgery provider in Monterey, California, licensed in California (E5872) and active in the NPI registry since June 2018. He is enrolled in Medicare PECOS and is a graduate of California School Of Podiatric Medicine (2019).

NPPES Registry Identity

NPI1558854059

Entity TypeIndividualMale

Primary Taxonomy213ES0103X

Provider Legal NameISAAC WILHELMCredential: DPM

Location Address2 UPPER RAGSDALE DR STE B260Monterey, CA 93940-7847

Mailing Address2 Upper Ragsdale Dr Ste B260Monterey, CA 93940-7847 · (831) 230-0520

Phone(831) 230-0520

Sole ProprietorYes

Medical School CMSCalifornia School Of Podiatric MedicineGraduated 2019

Enumeration DateJune 8, 2018

Last NPPES UpdateJanuary 5, 20263 updates tracked since enumeration

NPPES CertifiedJanuary 5, 2026

✔ NPI 1558854059 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPodiatrist · Foot & Ankle SurgeryPodiatric Medicine & Surgery Service Providers

Taxonomy Code213ES0103X

Licenses✔ Licensed in CA · E5872✔ Licensed in CA · EL6905

2 UPPER RAGSDALE DR STE B260, Monterey, CA 93940

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Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Isaac Wilhelm Dpm is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID5597147462

PECOS Enrollment IDI20220809002747

Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency– Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Billing Reassignments

Medicare enrollment records show Isaac Wilhelm reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Bruce I Lerman DPM, Inc

48 mi

Foot & Ankle Surgery

555 KNOWLES DR STE 117
Los Gatos, CA 95032

Reassigned Medicare billing, California enrollment
5 clinicians in this Medicare group

NPI 1033434204 (408) 379-8450

San Mateo Podiatry Group, A Professional Corporation

78 mi

Foot & Ankle Surgery

1750 EL CAMINO REAL STE 106
Burlingame, CA 94010

Reassigned Medicare billing, California enrollment
2 clinicians in this Medicare group

NPI 1578673638 (650) 342-2420

Bay Area Foot Care, Inc

90 mi

Foot & Ankle Surgery

2299 POST ST STE 205
San Francisco, CA 94115

Reassigned Medicare billing, California enrollment
152 clinicians in this Medicare group

NPI 1508911892 (415) 292-0638

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Areas of Expertise CMS Part B claims 21

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Removal of fingernails or toenails, 6 or more nails 11721

This procedure involves the removal of six or more fingernails or toenails. It's typically done to treat severe nail infections, persistent pain, or abnormal nail growth. Local anesthesia is used to minimize discomfort. Healing usually takes a few weeks.

2,190 services433 patients

Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214

This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.

1,814 services518 patients

Removal of noncancer thickened skin growth, 2-4 growths 11056

This procedure involves the safe removal of 2-4 noncancerous thickened skin growths. It's typically done under local anesthesia. The process helps to alleviate discomfort and prevent potential complications. It's a standard, low-risk procedure.

1,039 services255 patients

Office or other outpatient visit for the evaluation and management of established patient that may not require presence of healthcare professional 99211

This service involves an outpatient visit for established patients who may not need direct interaction with a healthcare professional. It could include reviewing test results, monitoring existing conditions, or adjusting treatment plans. It's typically done remotely, ensuring your comfort and convenience.

401 services196 patients

Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more 99213

This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.

385 services200 patients

Removal of noncancer thickened skin growth, 1 growth 11055

This procedure involves the removal of a thickened skin growth that is not cancerous. A healthcare professional will safely extract the growth, usually under local anesthesia. This process helps maintain skin health and prevent potential complications.

263 services115 patients

Complete ultrasound study of arm and leg arteries 93923

This procedure involves using sound waves to produce images of your arm and leg arteries. It helps identify blockages or abnormalities that could lead to conditions like stroke or peripheral artery disease. It's non-invasive and painless.

225 services209 patients

Removal of noncancer thickened skin growth, more than 4 growths 11057

This procedure involves the removal of more than four noncancerous, thickened skin growths. It's a simple process where a healthcare professional uses a specialized tool to carefully remove these growths, promoting healthier skin.

221 services40 patients

X-ray of ankle, minimum of 3 views 73610

An ankle X-ray is a quick, painless imaging test. It involves capturing at least three different images or 'views' of your ankle using small amounts of radiation. These images help identify any abnormalities or injuries, such as fractures or arthritis.

178 services139 patients

X-ray of foot, minimum of 3 views 73630

An X-ray of the foot, minimum of 3 views, is a non-invasive imaging test. It uses a small amount of radiation to produce images of the bones and tissues in your foot. This helps to identify fractures, infections, or other abnormalities. Multiple views ensure a comprehensive examination.

178 services139 patients

X-ray of heel, minimum of 2 views 73650

An X-ray of the heel, minimum of 2 views, is a diagnostic procedure where safe radiation beams capture images of your heel from at least two different angles. This helps in identifying issues such as fractures, bone spurs, or arthritis. You'll remain still while the images are taken.

178 services139 patients

X-ray of toe, minimum of 2 views 73660

An X-ray of the toe with a minimum of 2 views involves capturing images of your toe from different angles. This test helps identify any abnormalities or injuries such as fractures or infections. It's a quick, painless procedure that provides valuable information about your toe's health.

178 services139 patients

Ct scan of leg without contrast 73700

A CT scan of the leg is a non-invasive imaging test that uses X-rays to capture detailed images of your leg's bones, muscles, and blood vessels. It doesn't use contrast dye and doesn't cause any pain. It helps in diagnosing injuries or diseases.

178 services139 patients

3d radiographic procedure with computerized image postprocessing 76377

A 3D radiographic procedure with computerized image postprocessing is a high-tech imaging test. It uses X-rays to create detailed 3D images of the body. The computerized postprocessing further enhances these images for more precise diagnosis and treatment planning.

178 services139 patients

New patient office or other outpatient visit with a high level of medical decision making, if using time, 60 minutes or more 99205

This is a first-time patient visit where a healthcare professional spends 60-74 minutes with you. It involves a comprehensive evaluation, including your medical history and current health condition. They'll also advise on preventive health measures and formulate a treatment plan if needed.

113 services113 patients

Removal of fingernails or toenails, 1-5 nails 11720

This procedure involves the careful removal of 1-5 nails from fingers or toes. It's typically done to treat conditions like ingrown nails, fungal infections, or damaged nails. Local anesthesia is used for comfort, and the area heals over time with appropriate care.

78 services43 patients

Testing of autonomic (sympathetic) nervous system function 95923

Testing of autonomic nervous system function assesses how well your body's automatic processes, like heart rate and blood pressure, are working. It involves various non-invasive tests like heart rate variability and sweat production tests.

73 services68 patients

Placement of strapping to toes 29550

Strapping toes is a procedure to stabilize or position the toes correctly. It's often used for conditions like hammertoes, fractures, or sprains. A special tape is applied to your toes to provide support, reduce pain, and promote healing.

70 services51 patients

Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more 99215

This service involves a follow-up appointment for existing patients, lasting between 40 to 54 minutes. During this time, your healthcare provider will assess your current health status, discuss any changes or concerns, review your treatment plan, and answer any questions you may have.

65 services36 patients

Placement of strapping to ankle or foot 29540

Strapping to the ankle or foot is a procedure involving the application of tape or a similar material to provide support and stability. It can help manage injuries, reduce pain, and prevent further harm. The process is non-invasive and typically performed by a trained professional.

55 services43 patients

Removal of skin and tissue, 20.0 sq cm or less 11042

This procedure involves the surgical removal of skin and tissue, up to 20.0 square cm in size. It's often performed to treat conditions like skin cancer or to remove moles, warts, and other skin lesions. The area is numbed and the unwanted tissue is carefully cut out.

40 services19 patients

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Isaac Wilhelm's NPI number?

The NPI number for Isaac Wilhelm is 1558854059. It was assigned to this individual provider in the NPPES registry on June 8, 2018.

Where is Isaac Wilhelm located?

Isaac Wilhelm practices at 2 Upper Ragsdale Dr Ste B260, Monterey, CA 93940. The listed phone number is (831) 230-0520.

What is Isaac Wilhelm's specialty?

The primary specialty registered for this NPI is Podiatrist, specializing in Foot & Ankle Surgery, with taxonomy code 213ES0103X.

Is Isaac Wilhelm enrolled in Medicare?

Yes. Isaac Wilhelm is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

Which organizations bill Medicare for Isaac Wilhelm's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Isaac Wilhelm reassigns Medicare benefits to 3 organizations: Bruce I Lerman DPM, Inc (Los Gatos, CA), San Mateo Podiatry Group, A Professional Corporation (Burlingame, CA) and Bay Area Foot Care, Inc (San Francisco, CA). Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Isaac Wilhelm's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

When was this NPI record last updated?

The NPPES record for Isaac Wilhelm was last updated on January 5, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 10 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.