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DR. OSWALD ANTHONY WILLIAMS MD
NPI 1760449185
Internal Medicine in South Pasadena, FL

Active since April 28, 2006PECOS EnrolledAccepts Medicare Assignment
1615 PASADENA AVE S STE 250, SOUTH PASADENA, FL 33707(727) 527-6200(727) 347-0893 Get Directions Write a Review

NPPES record last updated: March 25, 2025. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Mar 25, 2025, Mar 30, 2023 (2 updates tracked since 2023).

About Dr. Oswald Anthony Williams Md NPPES

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

DR. OSWALD ANTHONY WILLIAMS MD (NPI 1760449185) is an individual internal medicine provider in South Pasadena, Florida, licensed in Florida (ME62503) and active in the NPI registry since April 2006. He is enrolled in Medicare PECOS and is a graduate of Other (1989).

NPPES Registry Identity

NPI1760449185
Entity TypeIndividualMale
Primary Taxonomy207R00000X
Provider Legal NameDR. OSWALD ANTHONY WILLIAMSCredential: MD
Location Address1615 PASADENA AVE S STE 250South Pasadena, FL 33707-4517
Mailing Address1615 Pasadena Ave S Ste 250South Pasadena, FL 33707-4517 · (727) 527-6200 · Fax (727) 347-0893
Phone(727) 527-6200
Fax(727) 347-0893
Sole ProprietorYes
Medical School CMSOtherGraduated 1989
Enumeration DateApril 28, 2006
Last NPPES UpdateMarch 25, 20252 updates tracked since enumeration
NPPES CertifiedMarch 25, 2025
✔ NPI 1760449185 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
License✔ Licensed in FL · ME62503
Definition
A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.
1615 PASADENA AVE S STE 250, South Pasadena, FL 33707
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Other Identifiers 6

Medicaid372030600FL
Other00040361836FL · United Health Care
Other2286682Aetna
Other1063698744FL · Colonialpenn
Other202776Avmed
Other173980525974FL · Humana

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include AvMed, Molina Healthcare, UnitedHealthcare.Insurance ›

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. Oswald Anthony Williams 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 ID4486786373
PECOS Enrollment IDI20100712000542
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 Reassignment

Medicare enrollment records show Oswald Williams reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Maturity Medical Of Pinellas Professional Association
Same address
Internal Medicine
1615 PASADENA AVE S STE 250
South Pasadena, FL 33707
  • Reassigned Medicare billing, Florida enrollment
NPI 1063698744 (727) 527-6200

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

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 33707 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
$130.04 typical visit price
range $56.00 – $171.84
Typical copayment $32.51 (range $14.00 – $42.96)
Most-billed visit code 99204
Established Patient
$99.16 typical visit price
range $17.57 – $139.16
Typical copayment $24.79 (range $4.39 – $34.79)
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.

Other Providers at the Same Location NPPES

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

MATURITY MEDICAL OF PINELLAS PROFESSIONAL ASSOCIATION
Internal Medicine
1615 PASADENA AVE S STE 250
SOUTH PASADENA, FL 33707
Pinellas County (727) 527-6200

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 Oswald Williams's NPI number?

The NPI number for Oswald Williams is 1760449185. It was assigned to this individual provider in the NPPES registry on April 28, 2006.

Where is Oswald Williams located?

Oswald Williams practices at 1615 Pasadena Ave S Ste 250, South Pasadena, FL 33707. The listed phone number is (727) 527-6200.

What is Oswald Williams's specialty?

The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.

Is Oswald Williams enrolled in Medicare?

Yes. Oswald Williams 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 organization bills Medicare for Oswald Williams's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Oswald Williams reassigns Medicare benefits to Maturity Medical Of Pinellas Professional Association (South Pasadena, FL). The 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 Oswald Williams's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Oswald Williams accept?

Health plans from AvMed, Molina Healthcare and UnitedHealthcare list Oswald Williams 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.

When was this NPI record last updated?

The NPPES record for Oswald Williams was last updated on March 25, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 19 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.