SANDRA GISELA WILLIAMS M.D., PH.D.
NPI 1720468317
Internal Medicine - Rheumatology in Bethesda, MD

Q: What is Sandra Williams's NPI number?

The NPI number for Sandra Williams is 1720468317. It was assigned to this individual provider in the NPPES registry on June 9, 2015.

Q: What is Sandra Williams's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Rheumatology, with taxonomy code 207RR0500X.

Q: When was this NPI record last updated?

The NPPES record for Sandra Williams was last updated on August 23, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 years 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 09, 2015PECOS Enrolled

BUILDING 10, ROOM 10N-311 9000 ROCKVILLE PIKE, BETHESDA, MD 20892(015) 946-0353 Get Directions Write a Review

NPPES record last updated: August 23, 2021. Verified against the NPPES registry weekly; last sync: August 16, 2026.

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About Sandra Gisela Williams M.d., Ph.d. NPPES

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

SANDRA GISELA WILLIAMS M.D., PH.D. (NPI 1720468317) is an individual rheumatology provider in Bethesda, Maryland, licensed in Maryland (D85887) and active in the NPI registry since June 2015. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1720468317

Entity TypeIndividualFemale

Primary Taxonomy207RR0500X

Provider Legal NameSANDRA GISELA WILLIAMSCredential: M.D., PH.D.

Location AddressBUILDING 10, ROOM 10N-311 9000 ROCKVILLE PIKEBethesda, MD 20892-3733

Mailing AddressBuilding 10, Room 10n-311 9000 Rockville PikeBethesda, MD 20892-0001 · (301) 594-3969

Phone(015) 946-0353

Sole ProprietorYes

Enumeration DateJune 9, 2015

Last NPPES UpdateAugust 23, 2021

NPPES CertifiedAugust 23, 2021

✔ NPI 1720468317 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal Medicine · RheumatologyAllopathic & Osteopathic Physicians

Taxonomy Code207RR0500X

License✔ Licensed in MD · D85887

Definition

An internist who treats diseases of joints, muscle, bones and tendons. This specialist diagnoses and treats arthritis, back pain, muscle strains, common athletic injuries and collagen diseases.

BUILDING 10, ROOM 10N-311 9000 ROCKVILLE PIKE, Bethesda, MD 20892

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Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Sandra Gisela Williams M.d., Ph.d. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

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.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 20892 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

$147.85 typical visit price

range $65.18 – $194.86

Typical copayment $36.96 (range $16.29 – $48.71)

Most-billed visit code 99204

Established Patient

$113.72 typical visit price

range $21.40 – $158.88

Typical copayment $28.43 (range $5.35 – $39.72)

Most-billed visit code 99214

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

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 Sandra Williams's NPI number?

The NPI number for Sandra Williams is 1720468317. It was assigned to this individual provider in the NPPES registry on June 9, 2015.

Where is Sandra Williams located?

Sandra Williams practices at Building 10, Room 10n-311 9000 Rockville Pike, Bethesda, MD 20892. The listed phone number is (015) 946-0353.

What is Sandra Williams's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Rheumatology, with taxonomy code 207RR0500X.

Is Sandra Williams enrolled in Medicare?

Yes. Sandra Williams is registered in the Medicare PECOS enrollment system.

When was this NPI record last updated?

The NPPES record for Sandra Williams was last updated on August 23, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 years 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.