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DR. KEITH B. WILLIAMS MD
NPI 1447257563
Internal Medicine in Medford, OR

Active since July 05, 2005PECOS Enrolled
555 BLACK OAK DR, SUITE 100, MEDFORD, OR 97504(541) 734-3430(541) 734-3638 Get Directions Write a Review

NPPES record last updated: December 30, 2013. Verified against the NPPES registry weekly; last sync: October 25, 2026.

About Dr. Keith B. Williams Md NPPES

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

DR. KEITH B. WILLIAMS MD (NPI 1447257563) is an individual internal medicine provider in Medford, Oregon, licensed in Oregon (MD16928) and active in the NPI registry since July 2005. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1447257563
Entity TypeIndividualMale
Primary Taxonomy207R00000X
Provider Legal NameDR. KEITH B. WILLIAMSCredential: MD
Location Address555 BLACK OAK DR, SUITE 100Medford, OR 97504-8447
Mailing Address555 Black Oak Dr, Suite 100Medford, OR 97504-8447 · (541) 734-3430 · Fax (541) 734-3638
Phone(541) 734-3430
Fax(541) 734-3638
Sole ProprietorNo
Enumeration DateJuly 5, 2005
Last NPPES UpdateDecember 30, 2013
✔ NPI 1447257563 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
License✔ Licensed in OR · MD16928
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.
555 BLACK OAK DR, Medford, OR 97504
Open in Google Maps ↗

Other Identifiers 1

Medicare UPINA02488OR

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Dr. Keith B. Williams Md 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.

Medicare Billing Reassignment

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

Valley Immediate Care, LLC
3.3 mi
Urgent Care
1600 DELTA WATERS RD, STE. 107
Medford, OR 97504
  • Reassigned Medicare billing, Oregon enrollment
  • 21 clinicians in this Medicare group
NPI 1982709226 (541) 858-2515

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 7

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.
68 services67 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.
46 services46 patients
Urinalysis, manual test 81002
A urinalysis is a simple, non-invasive test that checks the urine for various elements such as sugar, protein, and signs of infection. It can help detect many common conditions, including kidney disease and diabetes. The manual test involves a lab technician examining a urine sample.
30 services29 patients
Detection test by immunoassay with direct visual observation for severe acute respiratory syndrome coronavirus 2 (covid-19) 87811
This is a test to detect COVID-19, the virus causing severe respiratory illness. It uses a method called immunoassay, which identifies the virus by its unique proteins. The test is directly observed for accuracy. It helps determine if you're currently infected.
19 services19 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.
15 services14 patients
Blood test, comprehensive group of blood chemicals 80053
A comprehensive group of blood chemicals test, also known as a comprehensive metabolic panel, is a blood test that measures your sugar level, electrolyte and fluid balance, kidney function, and liver function. This helps to check your body's overall health.
12 services11 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 97504 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
$126.25 typical visit price
range $54.96 – $166.64
Typical copayment $31.56 (range $13.74 – $41.66)
Most-billed visit code 99204
Established Patient
$97.16 typical visit price
range $17.68 – $136.19
Typical copayment $24.29 (range $4.42 – $34.04)
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 19

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

MR. DANA ANDREW TESZLER
Nurse Practitioner (Family)
555 BLACK OAK DR
MEDFORD, OR 97504
Jackson County (541) 789-7000
AMBER TRACY FNP-C
Nurse Practitioner
555 BLACK OAK DR
MEDFORD, OR 97504
Jackson County (541) 789-2273
OVERLAND, ORDAL, & THORSON PULMONARY CONSULTANTS PC
Internal Medicine (Pulmonary Disease)
555 BLACK OAK DR, SUITE 300
MEDFORD, OR 97504
Jackson County (541) 494-2000
GREG D SMITH APNP
Nurse Practitioner (Family)
555 BLACK OAK DR
MEDFORD, OR 97504
Jackson County (541) 789-8176
DR. JAMES WILLIAM THEEN MD
Internal Medicine (Endocrinology, Diabetes & Metabolism)
555 BLACK OAK DR
MEDFORD, OR 97504
Jackson County (541) 734-3430
SUMMAYA ABDUL LATIF M.D.
Internal Medicine
555 BLACK OAK DR
MEDFORD, OR 97504
Jackson County (541) 789-8873
MEDFORD MEDICAL CLINIC, LLP
Family Medicine
555 BLACK OAK DR, SUITE 100
MEDFORD, OR 97504
Jackson County (541) 734-3430
DR. SARAH ELIZABETH WHITE PHARM.D., BCPS, RPH
Pharmacist (Ambulatory Care)
555 BLACK OAK DR
MEDFORD, OR 97504
Jackson County (541) 789-5919

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 Keith Williams's NPI number?

The NPI number for Keith Williams is 1447257563. It was assigned to this individual provider in the NPPES registry on July 5, 2005.

Where is Keith Williams located?

Keith Williams practices at 555 Black Oak Dr Suite 100, Medford, OR 97504. The listed phone number is (541) 734-3430.

What is Keith Williams's specialty?

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

Is Keith Williams enrolled in Medicare?

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

Which organization bills Medicare for Keith Williams's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Keith Williams reassigns Medicare benefits to Valley Immediate Care, LLC (Medford, OR). 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 Keith Williams'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 Keith Williams was last updated on December 30, 2013. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 12 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.