MR. ZACHARY WALKER MD
NPI 1164955571
Radiology - Diagnostic Radiology in San Francisco, CA

Q: What is Zachary Walker's NPI number?

The NPI number for Zachary Walker is 1164955571. It was assigned to this individual provider in the NPPES registry on April 4, 2017.

Q: What is Zachary Walker's specialty?

The primary specialty registered for this NPI is Radiology, specializing in Diagnostic Radiology, with taxonomy code 2085R0202X.

Q: When was this NPI record last updated?

The NPPES record for Zachary Walker was last updated on September 3, 2024. NPI Profile syncs with the weekly NPPES data releases published by CMS.

Active since April 04, 2017PECOS EnrolledAccepts Medicare Assignment

93.25/100

CMS Quality Rating

505 PARNASSUS AVE, SAN FRANCISCO, CA 94143(415) 353-1821(415) 476-0616 Get Directions Write a Review

NPPES record last updated: September 3, 2024. Verified against the NPPES registry weekly; last sync: July 26, 2026.

Record update history: Sep 3, 2024, Aug 5, 2022 (2 updates tracked since 2022).

On this page

About Mr. Zachary Walker Md NPPES

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

MR. ZACHARY WALKER MD (NPI 1164955571) is an individual diagnostic radiology provider in San Francisco, California, licensed in California (A161614) and active in the NPI registry since April 2017. He is enrolled in Medicare PECOS, is affiliated with Multicare Good Samaritan Hospital, and maintains a secondary practice location in Tacoma.

NPPES Registry Identity

NPI1164955571

Entity TypeIndividualMale

Primary Taxonomy2085R0202X

Provider Legal NameMR. ZACHARY WALKERCredential: MD

Location Address505 PARNASSUS AVESan Francisco, CA 94143-2204

Mailing Address505 Parnassus AveSan Francisco, CA 94143-2204 · (415) 353-1821 · Fax (415) 476-0616

Phone(415) 353-1821

Fax(415) 476-0616

Sole ProprietorNo

Medical School CMSDuke University School Of MedicineGraduated 2017

Enumeration DateApril 4, 2017

Last NPPES UpdateSeptember 3, 20242 updates tracked since enumeration

NPPES CertifiedSeptember 3, 2024

✔ NPI 1164955571 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyRadiology · Diagnostic RadiologyAllopathic & Osteopathic Physicians

Taxonomy Code2085R0202X

Licenses✔ Licensed in CA · A161614✔ Licensed in WA · MD61397905

Definition

A radiologist who utilizes x-ray, radionuclides, ultrasound and electromagnetic radiation to diagnose and treat disease.

Also ListedStudent in an Organized Health Care Education/Training ProgramTaxonomy 390200000X

505 PARNASSUS AVE, San Francisco, CA 94143

Open in Google Maps ↗

Secondary Practice Location 1

Location 11304 Fawcett Ave Ste 100Tacoma, WA 98402-1900 · Phone (253) 761-4200

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Premera Blue Cross Blue Shield of Alaska.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Mr. Zachary Walker Md 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 ID547538621

PECOS Enrollment IDI20230907004098

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.

Areas of Expertise CMS Part B claims 35

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.

Low osmolar contrast material, 300-399 mg/ml iodine concentration, per ml Q9967

Low osmolar contrast material with 300-399 mg/ml iodine concentration is a diagnostic tool used in imaging procedures. It helps to enhance the visibility of specific areas in the body, aiding in accurate diagnosis. It's safe and generally well-tolerated by patients.

2,130 services22 patients

X-ray of chest, 1 view 71045

A chest X-ray, 1 view, is a quick, painless test that produces images of the structures within your chest, such as your heart, lungs, and blood vessels. It helps in diagnosing conditions like pneumonia, heart problems, or lung cancer. You'll stand in front of a machine that emits X-rays, which pass through your body to create the image.

584 services556 patients

Ct scan of abdomen and pelvis with contrast 74177

A CT scan of the abdomen and pelvis with contrast is an imaging procedure. A special dye, called contrast, is used to make certain areas more visible. This can help identify issues such as infections, tumors, or other abnormalities. The procedure is painless and usually takes about 30 minutes.

305 services304 patients

Ct scan of chest without contrast 71250

A CT scan of the chest without contrast is a non-invasive imaging procedure. It uses special X-ray equipment to produce detailed images of your chest area, including your lungs and heart. It can help diagnose conditions such as lung diseases or heart disorders. It doesn't involve any dyes or contrast agents.

188 services188 patients

X-ray of chest, 2 views 71046

A chest X-ray, 2 views, is a quick, painless test that creates pictures of the structures inside your chest, such as your heart, lungs, and blood vessels. Two different angles are used to get a comprehensive view. This helps in diagnosing conditions like pneumonia, heart problems, or lung cancer.

180 services180 patients

Ct scan of abdomen and pelvis without contrast 74176

A CT scan of the abdomen and pelvis is a non-invasive medical test. It uses special X-ray equipment to create detailed images of your abdominal and pelvic areas. This helps doctors examine organs, tissues, and vessels. No contrast dye is used in this procedure.

127 services126 patients

Ct scan of chest with contrast 71260

A CT scan of the chest with contrast is an imaging procedure. A special dye (contrast) is used to highlight specific areas in your body, providing clearer pictures of your chest. This helps in diagnosing conditions related to your lungs, heart, and other chest structures.

122 services122 patients

Ct scan of blood vessels of chest with contrast 71275

A CT scan of the chest with contrast is a non-invasive imaging test. It uses X-rays and a special dye to get detailed images of your blood vessels in the chest. This helps in diagnosing conditions related to heart and lungs.

117 services116 patients

X-ray of abdomen, 1 view 74018

An X-ray of the abdomen, 1 view, is a quick and painless imaging test. It uses a small amount of radiation to produce images of the structures in your abdomen, such as the stomach, liver, and intestines. This can help identify issues like blockages, infections, or injuries.

93 services89 patients

X-ray of chest, 2 views 71046

59 services59 patients

Mri scan of abdomen before and after contrast 74183

An MRI scan of the abdomen before and after contrast provides detailed images of your abdominal organs. Initially, images are taken without a contrast agent. Then, a safe dye is administered, usually via an IV, to highlight certain areas, giving a clearer picture to help diagnose various conditions.

56 services54 patients

Mri scan of pelvis before and after contrast 72197

An MRI scan of the pelvis before and after contrast is a non-invasive imaging technique. It uses magnetic fields and radio waves to capture detailed images of your lower abdomen. Contrast dye, safe for the body, improves image clarity. This helps detect abnormalities more accurately.

55 services55 patients

Ct scan of blood vessels of abdomen and pelvis with contrast 74174

A CT scan of the abdomen and pelvis with contrast is a medical imaging procedure. A special dye, called contrast, is used to make blood vessels more visible. The scan produces detailed images of your abdomen and pelvis, helping doctors to diagnose conditions or plan treatments.

40 services39 patients

Complete ultrasound scan behind abdominal cavity 76770

A complete ultrasound scan behind the abdominal cavity is a non-invasive imaging procedure. It uses sound waves to create pictures of the structures and organs located at the back of your abdomen. It helps in diagnosing health conditions and monitoring ongoing treatments.

35 services35 patients

Ct scan of abdomen and pelvis before and after contrast 74178

A CT scan of your abdomen and pelvis with and without contrast helps visualize your internal organs better. Contrast is a special dye that improves the clarity of the images. It's taken orally or injected into your veins before the scan. The process is painless and quick.

34 services34 patients

Limited ultrasound scan of abdomen 76705

A limited ultrasound scan of the abdomen is a non-invasive imaging test. It uses sound waves to produce images of the abdominal organs such as the liver, gallbladder, spleen, pancreas, and kidneys. This helps to identify any abnormalities or issues.

31 services31 patients

Mri scan of abdomen without contrast 74181

An MRI scan of the abdomen without contrast is a non-invasive imaging test. It uses a magnetic field and radio waves to create detailed pictures of your abdominal organs. This procedure doesn't involve radiation or dye injection.

30 services30 patients

Low dose ct scan of chest for lung cancer screening 71271

A low-dose CT scan of the chest is a quick, painless procedure that uses a small amount of radiation to create detailed images of your lungs. It's a key tool for early detection of lung cancer, especially for those at high risk.

29 services29 patients

X-ray of hip, 2-3 views 73502

An X-ray of the hip with 2-3 views is a non-invasive imaging test. It uses a small amount of radiation to produce pictures of the hip joint. These images help in diagnosing conditions like fractures, arthritis, or other abnormalities. The process is quick and painless.

27 services27 patients

Ct scan of chest without contrast 71250

25 services25 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.

24 services22 patients

X-ray of shoulder, minimum of 2 views 73030

An X-ray of the shoulder, with a minimum of 2 views, is a non-invasive imaging test. It uses a small amount of radiation to produce images of your shoulder bones. This helps in diagnosing conditions like fractures, arthritis, or other abnormalities. The procedure is quick and painless.

22 services20 patients

Complete ultrasound scan of abdomen 76700

A complete ultrasound scan of the abdomen is a non-invasive imaging procedure. It uses sound waves to produce images of the organs in your abdomen, such as the liver, gallbladder, spleen, pancreas, and kidneys. It helps in diagnosing, monitoring, and planning treatments.

20 services20 patients

Ct scan of chest with contrast 71260

18 services18 patients

Complete ultrasound scan of pelvis 76856

A complete ultrasound scan of the pelvis is a safe, non-invasive imaging procedure. It uses sound waves to create pictures of your lower abdomen area, helping doctors to evaluate and diagnose any potential issues. It's painless and usually takes about 30 minutes.

18 services18 patients

Ultrasound scan of uterus, ovaries, tubes, cervix and pelvic area through vagina 76830

An ultrasound scan of the lower abdominal region is a safe, non-invasive procedure that uses sound waves to create images of internal structures. This helps in checking the health of reproductive organs and detecting any abnormalities. The scan is done via a small probe inserted into the body.

17 services17 patients

X-ray of knee, 1-2 views 73560

An X-ray of the knee with 1-2 views is a quick, painless test that produces images of the knee bones. It helps identify fractures, infections, or changes in the knee joint. During the procedure, you'll be asked to stay still while the X-ray machine captures the images.

16 services15 patients

Ct scan of abdomen and pelvis with contrast 74177

16 services16 patients

X-ray of pelvis, 1-2 views 72170

An X-ray of the pelvis, 1-2 views, is a quick and painless imaging test. It uses a small amount of radiation to produce images of the lower part of your torso. These images help to detect any abnormalities or injuries in your hip bones and surrounding structures.

15 services15 patients

Imaging for evaluation of swallowing function 74230

This process, known as a swallowing study, uses imaging technology to view how food and liquid move from your mouth to your stomach. It helps identify any issues you may have swallowing, which can be crucial for determining the best treatment plan.

13 services13 patients

Ultrasound scan of scrotum 76870

An ultrasound scan of the scrotum is a non-invasive imaging test. It uses sound waves to create pictures of the structures within the lower abdominal area. This helps to assess any discomfort or abnormalities you might be experiencing. The procedure is safe and painless.

13 services13 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.

12 services11 patients

X-ray of lower and sacral spine, 2-3 views 72100

An X-ray of the lower and sacral spine involves capturing images of your lower back area, including the tailbone. This procedure helps in identifying problems like fractures, infections, or deformities. 2-3 different angle views provide a comprehensive picture.

11 services11 patients

X-ray of thigh bone, minimum 2 views 73552

An X-ray of the thigh bone is a non-invasive imaging test. It involves passing a small amount of radiation through the thigh to produce images of the bone structure. At least two different angles are captured for a comprehensive view. This helps detect fractures, infections, or other abnormalities.

11 services11 patients

Mri scan of abdomen before and after contrast 74183

11 services11 patients

Hospital Affiliations CMS Care Compare 5

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Multicare Good Samaritan Hospital

Acute Care Hospitals · Puyallup, WA

1/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number500079

Location401 15th Avenue SEPuyallup, WA 98372 · Pierce County

Emergency services Birthing friendly

St Joseph Medical Center

Acute Care Hospitals · Tacoma, WA

4/5 CMS rating

OwnershipVoluntary non-profit - Church

CMS Certification Number500108

Location1717 South J StreetTacoma, WA 98405 · Pierce County

Emergency services Birthing friendly

Tacoma General Allenmore Hospital

Acute Care Hospitals · Tacoma, WA

2/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number500129

Location315 S Mlk Jr WayTacoma, WA 98405 · Pierce County

Emergency services Birthing friendly

St Francis Community Hospital

Acute Care Hospitals · Federal Way, WA

3/5 CMS rating

OwnershipVoluntary non-profit - Church

CMS Certification Number500141

Location34515 9th Avenue SFederal Way, WA 98003 · King County

Emergency services Birthing friendly

St Anthony Hospital

Acute Care Hospitals · Gig Harbor, WA

4/5 CMS rating

OwnershipVoluntary non-profit - Church

CMS Certification Number500151

Location11567 Canterwood Boulevard NWGig Harbor, WA 98332 · Pierce County

Emergency services

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 94143 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient

$104.51 typical visit price

range $69.00 – $202.35

Typical copayment $26.12 (range $17.25 – $50.58)

Most-billed visit code 99203

Established Patient

$84.91 typical visit price

range $23.44 – $166.46

Typical copayment $21.22 (range $5.86 – $41.61)

Most-billed visit code 99213

Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Medicare Quality Performance CMS QPP · MIPS

Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.

93.25/100

MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program

Scored through an Alternative Payment Model

Quality

86.5

Promoting Interoperability

100

Improvement Activities

Leave this field empty

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.

CATHERINE RAMSDELL NNP

Nurse Practitioner (Neonatal)

505 PARNASSUS AVE
SAN FRANCISCO, CA 94143

San Francisco County (415) 353-1000

DR. CLAUDIO ANDRES BRAVO CARRILLO M.D.

Internal Medicine (Advanced Heart Failure and Transplant Cardiology)

505 PARNASSUS AVE
SAN FRANCISCO, CA 94143

San Francisco County (415) 502-4243

MAURICIO JALIFE BUCAY M.D

Hospitalist

505 PARNASSUS AVE
SAN FRANCISCO, CA 94143

San Francisco County (415) 750-4994

EMMA B SHAK M.D.

Student in an Organized Health Care Education/Training Program

505 PARNASSUS AVE
SAN FRANCISCO, CA 94143

San Francisco County (415) 476-1528

DR. ADRIANA A.T. MARTIN M.D., PH.D.

Internal Medicine

505 PARNASSUS AVE
SAN FRANCISCO, CA 94143

San Francisco County (415) 514-7288

WILLIAM JAMES DEARDORFF

Internal Medicine (Geriatric Medicine)

505 PARNASSUS AVE, 15 LONG
SAN FRANCISCO, CA 94143

San Francisco County (415) 406-1417

KEERTHANA REDDY BANALA

Student in an Organized Health Care Education/Training Program

505 PARNASSUS AVE
SAN FRANCISCO, CA 94143

San Francisco County (415) 514-7288

ROBERT CHRISTIAN WENZ

Nurse Anesthetist, Certified Registered

505 PARNASSUS AVE
SAN FRANCISCO, CA 94143

San Francisco County (415) 353-8054

ARACELI SANCHEZ RN

Registered Nurse

505 PARNASSUS AVE
SAN FRANCISCO, CA 94143

San Francisco County (415) 476-1000

DR. ROBERT THOMAS SHORT III MD

Internal Medicine

505 PARNASSUS AVE
SAN FRANCISCO, CA 94143

San Francisco County (415) 476-1529

SHARON ROSE ABADA

Student in an Organized Health Care Education/Training Program

505 PARNASSUS AVE
SAN FRANCISCO, CA 94143

San Francisco County (415) 476-1000

JARROD RULNEY

Student in an Organized Health Care Education/Training Program

505 PARNASSUS AVE
SAN FRANCISCO, CA 94143

San Francisco County (520) 850-0205

DR. ROY A. FILLY M.D.

Radiology (Diagnostic Radiology)

505 PARNASSUS AVE
SAN FRANCISCO, CA 94143

San Francisco County (415) 353-1628

PRISCILLA WILD FNP

Nurse Practitioner (Family)

505 PARNASSUS AVE
SAN FRANCISCO, CA 94143

San Francisco County (415) 353-1000

DR. ADAM KEENAN MEEKS M.D.

Radiology (Diagnostic Radiology)

505 PARNASSUS AVE
SAN FRANCISCO, CA 94143

San Francisco County (415) 514-5681

UCSF MEDICAL CENTER

General Acute Care Hospital

505 PARNASSUS AVE
SAN FRANCISCO, CA 94143

San Francisco County (415) 353-8728

DR. MICHAEL PAUL RANDALL MD

Internal Medicine (Hematology & Oncology)

505 PARNASSUS AVE
SAN FRANCISCO, CA 94143

San Francisco County (415) 221-4810

ADRIENNE LANGE CLARK MD

Student in an Organized Health Care Education/Training Program

505 PARNASSUS AVE
SAN FRANCISCO, CA 94143

San Francisco County (415) 353-1212

ISABELLE WLODKOWSKI RD

Dietitian, Registered

505 PARNASSUS AVE
SAN FRANCISCO, CA 94143

San Francisco County (415) 353-8894

JIN XI DENG NP

Nurse Practitioner

505 PARNASSUS AVE
SAN FRANCISCO, CA 94143

San Francisco County (415) 353-2161

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 Zachary Walker's NPI number?

The NPI number for Zachary Walker is 1164955571. It was assigned to this individual provider in the NPPES registry on April 4, 2017.

Where is Zachary Walker located?

Zachary Walker practices at 505 Parnassus Ave, San Francisco, CA 94143. The listed phone number is (415) 353-1821.

What is Zachary Walker's specialty?

The primary specialty registered for this NPI is Radiology, specializing in Diagnostic Radiology, with taxonomy code 2085R0202X.

Is Zachary Walker enrolled in Medicare?

Yes. Zachary Walker 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.

What insurance does Zachary Walker accept?

Health plans from Premera Blue Cross Blue Shield of Alaska list Zachary Walker as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

Is Zachary Walker affiliated with any hospitals?

According to CMS data, Zachary Walker is affiliated with Multicare Good Samaritan Hospital, St Joseph Medical Center, Tacoma General Allenmore Hospital, St Francis Community Hospital and St Anthony Hospital.

When was this NPI record last updated?

The NPPES record for Zachary Walker was last updated on September 3, 2024. NPI Profile syncs with the weekly NPPES data releases published by CMS.