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Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

DR. WILLIAM A PITT MD
NPI 1861544850
Internal Medicine - Cardiovascular Disease in San Diego, CA

Active since January 18, 2007PECOS Enrolled
6386 ALVARADO CT, SUITE 101, SAN DIEGO, CA 92120(619) 265-1237(619) 265-2142 Get Directions Write a Review

NPPES record last updated: September 13, 2026. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Sep 13, 2026, Feb 12, 2020 (2 updates tracked since 2020).

About Dr. William A Pitt Md NPPES

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

DR. WILLIAM A PITT MD (NPI 1861544850) is an individual cardiovascular disease provider in San Diego, California, licensed in California (A23081) and active in the NPI registry since January 2007. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1861544850
Entity TypeIndividualMale
Primary Taxonomy207RC0000X
Provider Legal NameDR. WILLIAM A PITTCredential: MD
Location Address6386 ALVARADO CT, SUITE 101San Diego, CA 92120-4906
Mailing Address6386 Alvarado Ct, Ste 101San Diego, CA 92120-4906 · (619) 265-1237 · Fax (619) 265-2142
Phone(619) 265-1237
Fax(619) 265-2142
Sole ProprietorNo
Enumeration DateJanuary 18, 2007
Last NPPES UpdateSeptember 13, 20262 updates tracked since enumeration
NPPES CertifiedFebruary 12, 2020
✔ NPI 1861544850 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 · A23081
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.
6386 ALVARADO CT, San Diego, CA 92120
Open in Google Maps ↗

Other Identifiers 2

MedicaidGR0016720CA
Medicaid00A230810CA

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Dr. William A Pitt 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 Reassignments

2

Medicare enrollment records show William Pitt reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Knd Development 59 LLC
5.1 mi
Hospitalist
1940 EL CAJON BLVD
San Diego, CA 92104
  • Reassigned Medicare billing, California enrollment
  • 204 clinicians in this Medicare group
NPI 1881923951 (502) 596-7300
Monica Perlman MD Inc.
12 mi
Primary Care
9850 GENESEE AVE STE 320
La Jolla, CA 92037
  • Reassigned Medicare billing, California enrollment
  • 341 clinicians in this Medicare group
NPI 1134309305 (858) 864-9800

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

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.
41 services40 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 92120 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 17

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

DR. BENNETT J SHILLER M.D.
Internal Medicine
6386 ALVARADO CT, #310
SAN DIEGO, CA 92120
San Diego County (619) 229-5050
OPEN AIR MRI CENTERS MEDICAL GROUP, INC.
Radiology (Vascular & Interventional Radiology)
6386 ALVARADO CT, 107
SAN DIEGO, CA 92120
San Diego County (619) 229-2299
ALVARADO MEDICAL GROUP,INC
Specialist
6386 ALVARADO CT, STE. 310
SAN DIEGO, CA 92120
San Diego County (619) 229-5050
HERMAN SKOROBOGATY MD
Surgery
6386 ALVARADO CT, STE 340
SAN DIEGO, CA 92120
San Diego County (619) 567-2320
DIANA BREISTER GHOSH, M.D., INC.
Plastic Surgery
6386 ALVARADO CT, SUITE 330
SAN DIEGO, CA 92120
San Diego County (619) 286-6446
HOSSEIN NABAI MD
Specialist
6386 ALVARADO CT, SUIT#205
SAN DIEGO, CA 92120
San Diego County (619) 229-0361
DR. SADIA NAJMI PH.D.
Psychologist (Clinical)
6386 ALVARADO CT, SUITE 301
SAN DIEGO, CA 92120
San Diego County (619) 665-4793
SOUTHERN CALIFORNIA CARDIOLOGY MEDICAL GROUP, INC.
Non-Pharmacy Dispensing Site
6386 ALVARADO CT, SUITE 101
SAN DIEGO, CA 92120
San Diego County (619) 265-1237

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 Pitt's NPI number?

The NPI number for William Pitt is 1861544850. It was assigned to this individual provider in the NPPES registry on January 18, 2007.

Where is William Pitt located?

William Pitt practices at 6386 Alvarado Ct Suite 101, San Diego, CA 92120. The listed phone number is (619) 265-1237.

What is William Pitt's specialty?

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

Is William Pitt enrolled in Medicare?

Yes. William Pitt is registered in the Medicare PECOS enrollment system.

Which organizations bill Medicare for William Pitt's services?

According to the CMS Revalidation Reassignment List (October 2026 release), William Pitt reassigns Medicare benefits to 2 organizations: Knd Development 59 LLC (San Diego, CA) and Monica Perlman MD Inc. (La Jolla, CA). Each 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 William Pitt'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 William Pitt was last updated on September 13, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 49 days 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.