DR. TERRI ANTRENASE WILLIAMS-WEEKES M.D.
NPI 1154324184
Radiology - Pediatric Radiology in San Francisco, CA

Q: What is Terri Williams-weekes's NPI number?

The NPI number for Terri Williams-weekes is 1154324184. It was assigned to this individual provider in the NPPES registry on May 23, 2005. The provider is also known as Terri Antrenase Williams M.D..

Q: What is Terri Williams-weekes's specialty?

The primary specialty registered for this NPI is Radiology, specializing in Pediatric Radiology, with taxonomy code 2085P0229X.

Active since May 23, 2005PECOS EnrolledAccepts Medicare Assignment

505 PARNASSUS AVE FL 3, SAN FRANCISCO, CA 94143(415) 476-1537 Get Directions Write a Review

NPPES record last updated: May 26, 2026. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: May 26, 2026, May 14, 2026, Feb 24, 2016 and 3 more (6 updates tracked since 2015).

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About Dr. Terri Antrenase Williams-weekes M.d. NPPES

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

DR. TERRI ANTRENASE WILLIAMS-WEEKES M.D. (NPI 1154324184) is an individual pediatric radiology provider in San Francisco, California, licensed in California (G209307) and active in the NPI registry since May 2005. She is enrolled in Medicare PECOS, is affiliated with Adventhealth Orlando, and maintains a secondary practice location in Albany.

NPPES Registry Identity

NPI1154324184

Entity TypeIndividualFemale

Primary Taxonomy2085P0229X

Provider Legal NameDR. TERRI ANTRENASE WILLIAMS-WEEKESCredential: M.D.

Location Address505 PARNASSUS AVE FL 3San Francisco, CA 94143-2204

Mailing Address711 Troy Schenectady Rd Ste 203Latham, NY 12110-2461 · (518) 782-3700 · Fax (518) 782-3799

Phone(415) 476-1537

Sole ProprietorNo

Medical School CMSOtherGraduated 1993

Enumeration DateMay 23, 2005

Last NPPES UpdateMay 26, 20266 updates tracked since enumeration

NPPES CertifiedMay 26, 2026

✔ NPI 1154324184 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyRadiology · Pediatric RadiologyAllopathic & Osteopathic Physicians

Taxonomy Code2085P0229X

Licenses✔ Licensed in CA · G209307✔ Licensed in NY · 203223

Definition

A radiologist who is proficient in all forms of diagnostic imaging as it pertains to the treatment of diseases in the newborn, infant, child and adolescent. This specialist has knowledge of both imaging and interventional procedures related to the care and management of diseases of children. A pediatric radiologist must be highly knowledgeable of all organ systems as they relate to growth and development, congenital malformations, diseases peculiar to infants and children and diseases that begin in childhood but cause substantial residual impairment in adulthood.

Also ListedRadiology · Diagnostic RadiologyTaxonomy 2085R0202X · License G209307 (CA)

505 PARNASSUS AVE FL 3, San Francisco, CA 94143

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Other Names 1

Former Name (1)Terri Antrenase Williams M.d.

Secondary Practice Location 1

Location 147 New Scotland Ave, Radiology DepartmentAlbany, NY 12208-3412 · Phone (518) 262-3277 · Fax (518) 262-4210

Other Identifiers 1

Medicaid04268888NY

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

Dr. Terri Antrenase Williams-weekes M.d. 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 ID4183512833

PECOS Enrollment IDI20040305000428, I20191213001378

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 Terri Williams-weekes reassigns Medicare billing to 9 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Ucsf Medical Group Business Services

0.1 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

University Of California San Francisco

0.1 mi

Internal Medicine

400 PARNASSUS AVE
San Francisco, CA 94143

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

NPI 1164512851 (415) 476-1000

Florida Radiology Imaging At Lake Mary, LLC

2,431 mi

Body Imaging

1480 W ORANGE BLOSSOM TRL
Apopka, FL 32712

Reassigned Medicare billing, Florida and Massachusetts enrollments
Also billed through NPI 1740256494 (Massachusetts)
433 clinicians in this Medicare group

NPI 1033744925 (407) 200-5440

Florida Hospital Medical Group Inc

2,443 mi

Diagnostic Radiology

601 E ROLLINS STREET
Orlando, FL 32803

Reassigned Medicare billing, Florida and Massachusetts enrollments
428 clinicians in this Medicare group

NPI 1073785044 (407) 200-2355

North Shore-Lij Medical PC

2,589 mi

Urology

1010 NORTHERN BLVD STE 110
Great Neck, NY 11021

Reassigned Medicare billing, Massachusetts and New York enrollments
9 clinicians in this Medicare group

NPI 1053688572 (516) 321-7400

Southside Faculty Medical Affiliates University Faculty Practice Corp

2,601 mi

Body Imaging

1220 HICKSVILLE RD
Seaford, NY 11783

Reassigned Medicare billing, Massachusetts and New York enrollments
9 clinicians in this Medicare group

NPI 1033791058 (516) 266-3456

Pratt Radiation Oncology Associates Inc

2,702 mi

Radiation Oncology

800 WASHINGTON ST, BOX 1013
Boston, MA 02111

Reassigned Medicare billing, Massachusetts enrollment
11 clinicians in this Medicare group

NPI 1215971361 (617) 636-5000

Pratt Radiology Associates, Inc

2,702 mi

Diagnostic Radiology

800 WASHINGTON ST, BOX 1013
Boston, MA 02111

Reassigned Medicare billing, Massachusetts enrollment
132 clinicians in this Medicare group

NPI 1154361780 (617) 636-5000

Tmc Radiology Cra LLC

2,702 mi

Diagnostic Radiology

800 WASHINGTON ST
Boston, MA 02111

Reassigned Medicare billing, Massachusetts enrollment
68 clinicians in this Medicare group

NPI 1851046726 (617) 636-5000

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 12

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.

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.

164 services154 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.

109 services106 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.

78 services78 patients

Ultrasound scan of head and neck soft tissue 76536

An ultrasound scan of the head and neck soft tissue is a non-invasive procedure that uses sound waves to create images of the soft tissues in these areas. It helps identify any abnormalities or issues, such as tumors, cysts, or infections. It's painless and doesn't involve radiation.

75 services72 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.

55 services55 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.

53 services53 patients

Complete ultrasound of abdomen and pelvis artery and vein blood flow 93975

This procedure uses sound waves to create images of your abdomen and pelvis, specifically focusing on the arteries and veins. It helps in assessing the blood flow and detecting any abnormalities, ensuring your overall well-being.

35 services32 patients

Ultrasound scan of organ tissue for measuring elasticity 76981

An ultrasound scan of organ tissue measures elasticity, or flexibility. This non-invasive procedure uses sound waves to create images of the inside of your body. It helps in assessing the health of various organs by detecting changes in their stiffness or softness.

32 services31 patients

Ultrasound scan of transplanted kidney 76776

An ultrasound scan of a transplanted kidney is a non-invasive imaging procedure. It uses sound waves to produce images of your kidney, helping to monitor its health and function. This test helps detect any potential issues early, ensuring the kidney is working properly.

27 services18 patients

Ultrasound of abdomen and pelvis artery and vein blood flow 93976

An ultrasound of your abdomen and pelvis arteries and veins is a non-invasive procedure that uses sound waves to create images of your blood vessels. This helps in assessing the flow of blood, identifying blockages, or detecting other abnormalities. It's a safe, painless process.

23 services23 patients

Ct scan head or brain without contrast 70450

A CT scan of the head or brain without contrast is a non-invasive imaging procedure. It uses X-rays to create detailed pictures of your brain, skull, and other structures inside your head. It helps to detect conditions like strokes, tumors, or injuries. No dye (contrast) is used in this test.

17 services15 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.

15 services15 patients

Hospital Affiliations CMS Care Compare 5

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

Adventhealth Orlando

Acute Care Hospitals · Orlando, FL

3/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number100007

Location601 E Rollins StOrlando, FL 32803 · Orange County

Emergency services Birthing friendly

Adventhealth Deland

Acute Care Hospitals · Deland, FL

4/5 CMS rating

OwnershipVoluntary non-profit - Church

CMS Certification Number100045

Location701 W Plymouth AveDeland, FL 32720 · Volusia County

Emergency services

Adventhealth Waterman

Acute Care Hospitals · Tavares, FL

4/5 CMS rating

OwnershipVoluntary non-profit - Church

CMS Certification Number100057

Location1000 Waterman WayTavares, FL 32778 · Lake County

Birthing friendly

Adventhealth Daytona Beach

Acute Care Hospitals · Daytona Beach, FL

5/5 CMS rating

OwnershipVoluntary non-profit - Church

CMS Certification Number100068

Location301 Memorial Medical ParkwayDaytona Beach, FL 32117 · Volusia County

Emergency services Birthing friendly

Tufts Medical Center

Acute Care Hospitals · Boston, MA

3/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number220116

Location800 Washington StreetBoston, MA 02111 · Suffolk County

Emergency services Birthing friendly

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.

ROXANNA JUAREZ

Radiology (Nuclear Radiology)