WILLIAM D. KEEN JR. MD
NPI 1962561571
Internal Medicine - Cardiovascular Disease in San Diego, CA

Active since December 08, 2006PECOS EnrolledAccepts Medicare Assignment
200 W ARBOR DR, SAN DIEGO, CA 92103(800) 926-8273(888) 539-8781 Get Directions Write a Review

NPPES record last updated: February 22, 2022. Verified against the NPPES registry weekly; last sync: August 09, 2026.

Record update history: Feb 22, 2022, Nov 29, 2021 (2 updates tracked since 2021).

About William D. Keen Jr. Md NPPES

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

WILLIAM D. KEEN JR. MD (NPI 1962561571) is an individual cardiovascular disease provider in San Diego, California, licensed in California (G73551) and active in the NPI registry since December 2006. He is enrolled in Medicare PECOS and is a graduate of Rutgers New Jersey Medical School (1986).

NPPES Registry Identity

NPI1962561571
Entity TypeIndividualMale
Primary Taxonomy207RC0000X
Provider Legal NameWILLIAM D. KEEN JR.Credential: MD
Location Address200 W ARBOR DRSan Diego, CA 92103-9000
Mailing AddressPo Box 232410San Diego, CA 92193-2410
Fax(888) 539-8781
Sole ProprietorNo
Medical School CMSRutgers New Jersey Medical SchoolGraduated 1986
Enumeration DateDecember 8, 2006
Last NPPES UpdateFebruary 22, 20222 updates tracked since enumeration
NPPES CertifiedFebruary 22, 2022
NPI 1962561571 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyInternal Medicine · Cardiovascular DiseaseAllopathic & Osteopathic Physicians
Taxonomy Code207RC0000X
License Licensed in CA · G73551
Definition
An internist who specializes in diseases of the heart and blood vessels and manages complex cardiac conditions such as heart attacks and life-threatening, abnormal heartbeat rhythms.
200 W ARBOR DR, San Diego, CA 92103

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

William D. Keen Jr. 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 ID3678607090
PECOS Enrollment IDI20100819001064
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 21

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.

Ultrasound of heart with color-depicted blood flow, rate, direction and valve function 93306
This is a heart ultrasound, also known as an echocardiogram. It uses sound waves to create pictures of your heart, showing how blood flows through it. The color depicts the blood flow's speed and direction. It also checks the heart's valves to ensure they're working properly.
305 services301 patients
Injection, octafluoropropane microspheres, per ml Q9956
Octafluoropropane microspheres injection is a procedure where tiny gas-filled bubbles are injected into your bloodstream. These bubbles help improve the quality of ultrasound images by enhancing the contrast, aiding in the detection and diagnosis of certain conditions.
299 services142 patients
Ultrasound of heart with color-depicted blood flow, rate, direction and valve function 93306
This is a heart ultrasound, also known as an echocardiogram. It uses sound waves to create pictures of your heart, showing how blood flows through it. The color depicts the blood flow's speed and direction. It also checks the heart's valves to ensure they're working properly.
89 services89 patients
Injection, sulfur hexafluoride lipid microspheres, per ml Q9950
This procedure involves an injection of sulfur hexafluoride lipid microspheres. These tiny bubbles enhance the quality of ultrasound images, aiding in more accurate diagnoses. The injection is safe and typically used in cardiovascular imaging.
75 services19 patients
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.
67 services47 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.
37 services37 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 92103 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
$140.22 typical visit price
range $62.10 – $184.71
Typical copayment $35.05 (range $15.52 – $46.17)
Most-billed visit code 99204
Established Patient
$76.87 typical visit price
range $20.62 – $151.42
Typical copayment $19.21 (range $5.15 – $37.85)
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.

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.

Internal Medicine (Geriatric Medicine)
200 W ARBOR DR
SAN DIEGO, CA 92103
Hospice, Inpatient
200 W ARBOR DR
SAN DIEGO, CA 92103
Anesthesiology
200 W ARBOR DR
SAN DIEGO, CA 92103
Nurse Practitioner
200 W ARBOR DR
SAN DIEGO, CA 92103
Nurse Practitioner (Psychiatric/Mental Health)
200 W ARBOR DR
SAN DIEGO, CA 92103
Nurse Practitioner
200 W ARBOR DR
SAN DIEGO, CA 92103
Student in an Organized Health Care Education/Training Program
200 W ARBOR DR
SAN DIEGO, CA 92103
Physician Assistant (Surgical)
200 W ARBOR DR
SAN DIEGO, CA 92103

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 William Keen Jr.'s NPI number?

The NPI number for William Keen Jr. is 1962561571. It was assigned to this individual provider in the NPPES registry on December 8, 2006.

Where is William Keen Jr. located?

William Keen Jr. practices at 200 W Arbor Dr, San Diego, CA 92103. The listed phone number is (800) 926-8273.

What is William Keen Jr.'s specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Cardiovascular Disease, with taxonomy code 207RC0000X.

Is William Keen Jr. enrolled in Medicare?

Yes. William Keen Jr. 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.

When was this NPI record last updated?

The NPPES record for William Keen Jr. was last updated on February 22, 2022. 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.