CLAUDIO DIAZ LEDEZMA
NPI 1154738599
Orthopaedic Surgery - Adult Reconstructive Orthopaedic Surgery in San Francisco, CA

Q: What is Claudio Diaz Ledezma's NPI number?

The NPI number for Claudio Diaz Ledezma is 1154738599. It was assigned to this individual provider in the NPPES registry on July 17, 2014.

Q: What is Claudio Diaz Ledezma's specialty?

The primary specialty registered for this NPI is Orthopaedic Surgery, specializing in Adult Reconstructive Orthopaedic Surgery, with taxonomy code 207XS0114X.

Active since July 17, 2014PECOS EnrolledAccepts Medicare Assignment

1500 OWENS ST, SAN FRANCISCO, CA 94158(415) 353-2509(415) 353-2956 Get Directions Write a Review

NPPES record last updated: April 10, 2025. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Apr 10, 2025, Apr 23, 2024 (2 updates tracked since 2024).

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About Claudio Diaz Ledezma NPPES

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

CLAUDIO DIAZ LEDEZMA (NPI 1154738599) is an individual adult reconstructive orthopaedic surgery provider in San Francisco, California, licensed in California (SPI805) and active in the NPI registry since July 2014. He is enrolled in Medicare PECOS and is a graduate of Other (2006).

NPPES Registry Identity

NPI1154738599

Entity TypeIndividualMale

Primary Taxonomy207XS0114X

Provider Legal NameCLAUDIO DIAZ LEDEZMA

Location Address1500 OWENS STSan Francisco, CA 94158-2334

Mailing Address1422 5th AveSan Francisco, CA 94122-3807 · (415) 613-2113

Phone(415) 353-2509

Fax(415) 353-2956

Sole ProprietorNo

Medical School CMSOtherGraduated 2006

Enumeration DateJuly 17, 2014

Last NPPES UpdateApril 10, 20252 updates tracked since enumeration

NPPES CertifiedApril 10, 2025

✔ NPI 1154738599 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyOrthopaedic Surgery · Adult Reconstructive Orthopaedic SurgeryAllopathic & Osteopathic Physicians

Taxonomy Code207XS0114X

Licenses✔ Licensed in CA · SPI805✔ Licensed in PA · MD450697

Definition

Recognized by several state medical boards as a fellowship subspecialty program of orthopaedic surgery, adult reconstructive orthopaedic surgeons deal with reconstructive procedures such as joint arthroplasty (i.e., hip and knee), osteotomy, arthroscopy, soft-tissue reconstruction, and a variety of other adult reconstructive surgical procedures.

1500 OWENS ST, San Francisco, CA 94158

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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

Claudio Diaz Ledezma 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 ID9830542844

PECOS Enrollment IDI20240125003916

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 Claudio Diaz Ledezma reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

University Of California San Francisco

3.5 mi

Surgery

400 PARNASSUS AVE, MCB 300
San Francisco, CA 94143

Reassigned Medicare billing, California enrollment
5,645 clinicians in this Medicare group

NPI 1346329380 (415) 353-2161

Ucsf Medical Group Business Services

3.5 mi

Internal Medicine

400 PARNASSUS AVE
San Francisco, CA 94122

Reassigned Medicare billing, California enrollment
5,544 clinicians in this Medicare group

NPI 1477624104 (415) 353-2808

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 5

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.

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.

76 services69 patients

New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more 99204

This is a first-time office or outpatient visit lasting between 45-59 minutes. The healthcare provider evaluates your health, discusses your medical history, and may suggest further tests or treatments. It's an opportunity to ask questions and understand your health better.

57 services57 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.

39 services35 patients

Principal care management services for a single high-risk disease, first 30 minutes of clinical staff time directed by health care professional, per calendar month 99426

Principal care management services focus on managing a single high-risk disease. This involves a health care professional directing clinical staff for the first 30 minutes each month. The aim is to monitor your health, coordinate care, and provide necessary support for your disease management.

17 services17 patients

Replacement of thigh bone and hip joint with prosthesis 27130

This procedure, known as hip arthroplasty, involves replacing your damaged thigh bone and hip joint with artificial parts, called a prosthesis. It helps relieve pain, improve mobility, and enhance your quality of life.

11 services11 patients

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

JAYME CONGDON MD

Pediatrics

1500 OWENS ST
SAN FRANCISCO, CA 94158

San Francisco County (415) 476-1000

JENNIFER RUBY LYNN FRIES NNP-BC

Nurse Practitioner (Neonatal)

1500 OWENS ST
SAN FRANCISCO, CA 94158

San Francisco County (415) 476-1000

MAUREEN MCGRATH PNP

Nurse Practitioner (Pediatrics)

1500 OWENS ST, THIRD FLOOR, SUITE 300
SAN FRANCISCO, CA 94158

San Francisco County (415) 514-6234

DUKE MEEK

Specialist/Technologist (Athletic Trainer)

1500 OWENS ST
SAN FRANCISCO, CA 94158

San Francisco County (415) 353-7966

GINA BIVIANO MA, ATC

Specialist/Technologist (Athletic Trainer)

1500 OWENS ST, STE. 170
SAN FRANCISCO, CA 94158

San Francisco County (415) 514-6239

IGOR IMMERMAN M.D.

Orthopaedic Surgery (Hand Surgery)

1500 OWENS ST, CAMPUS BOX 3004
SAN FRANCISCO, CA 94158

San Francisco County (415) 353-7584

MELISSA RENEE CALVELLI PT

Physical Therapist

1500 OWENS ST, SUITE 400
SAN FRANCISCO, CA 94158

San Francisco County (415) 353-7598

ALISON SCHEID P.T., D.P.T.

Physical Therapist

1500 OWENS ST, SUITE 400
SAN FRANCISCO, CA 94158

San Francisco County (415) 353-7598

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 Claudio Diaz Ledezma's NPI number?

The NPI number for Claudio Diaz Ledezma is 1154738599. It was assigned to this individual provider in the NPPES registry on July 17, 2014.

Where is Claudio Diaz Ledezma located?

Claudio Diaz Ledezma practices at 1500 Owens St, San Francisco, CA 94158. The listed phone number is (415) 353-2509.

What is Claudio Diaz Ledezma's specialty?

The primary specialty registered for this NPI is Orthopaedic Surgery, specializing in Adult Reconstructive Orthopaedic Surgery, with taxonomy code 207XS0114X.

Is Claudio Diaz Ledezma enrolled in Medicare?

Yes. Claudio Diaz Ledezma 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 Claudio Diaz Ledezma's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Claudio Diaz Ledezma reassigns Medicare benefits to 2 organizations: University Of California San Francisco (San Francisco, CA) and Ucsf Medical Group Business Services (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 Claudio Diaz Ledezma'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 Claudio Diaz Ledezma was last updated on April 10, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 18 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.