SEN SHAW MD
NPI 1215089438
Internal Medicine in Vallejo, CA

Active since January 17, 2007PECOS EnrolledAccepts Medicare Assignment
975 SERENO DR, VALLEJO, CA 94589(707) 651-1000 Get Directions Write a Review

NPPES record last updated: July 8, 2007. Verified against the NPPES registry weekly; last sync: October 25, 2026.

About Sen Shaw Md NPPES

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

SEN SHAW MD (NPI 1215089438) is an individual internal medicine provider in Vallejo, California, licensed in California (A73045) and active in the NPI registry since January 2007. He is enrolled in Medicare PECOS and is a graduate of Other (1983).

NPPES Registry Identity

NPI1215089438
Entity TypeIndividualMale
Primary Taxonomy207R00000X
Provider Legal NameSEN SHAWCredential: MD
Location Address975 SERENO DRVallejo, CA 94589-2441
Mailing Address1800 Harrison St Fl 7Oakland, CA 94612-3429 · (510) 625-6262
Sole ProprietorNo
Medical School CMSOtherGraduated 1983
Enumeration DateJanuary 17, 2007
Last NPPES UpdateJuly 8, 2007
✔ NPI 1215089438 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
License✔ Licensed in CA · A73045
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.
975 SERENO DR, Vallejo, CA 94589

Other Identifiers 3

Medicaid00A730450CA
Medicare ID-Type Unspecified00A730450
Medicare UPINH52408

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

Sen Shaw 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 ID8820272644
PECOS Enrollment IDI20110401000676
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

3

Medicare enrollment records show Sen Shaw reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Internal Medicine
975 SERENO DRIVE
Vallejo, CA 94589
  • Reassigned Medicare billing, California enrollment
  • 20,078 clinicians in this Medicare group
Orthopaedic Surgery
1234 E NORTH ST, STE 103
Manteca, CA 95336
  • Reassigned Medicare billing, California enrollment
  • 488 clinicians in this Medicare group
Family Medicine
17615 MORO RD
Prunedale, CA 93907
  • Reassigned Medicare billing, California enrollment
  • 284 clinicians in this Medicare group

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 3

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 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.
85 services78 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.
57 services50 patients
Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit G0439
An annual wellness visit is a yearly appointment with your primary care provider to create or update a personalized prevention plan. This plan helps prevent illness based on your current health and risk factors. It's a subsequent visit, meaning it follows an initial assessment.
14 services14 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 94589 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
$145.83 typical visit price
range $65.02 – $191.95
Typical copayment $36.45 (range $16.25 – $47.98)
Most-billed visit code 99204
Established Patient
$113.05 typical visit price
range $21.86 – $157.69
Typical copayment $28.26 (range $5.46 – $39.42)
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 20

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

Physical Medicine & Rehabilitation
975 SERENO DR
VALLEJO, CA 94589
Pharmacist
975 SERENO DR
VALLEJO, CA 94589
Student in an Organized Health Care Education/Training Program
975 SERENO DR
VALLEJO, CA 94589
Social Worker (Clinical)
975 SERENO DR
VALLEJO, CA 94589
Student in an Organized Health Care Education/Training Program
975 SERENO DR
VALLEJO, CA 94589
Anesthesiology
975 SERENO DR
VALLEJO, CA 94589
Family Medicine
975 SERENO DR
VALLEJO, CA 94589
Surgery
975 SERENO DR
VALLEJO, CA 94589

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 Sen Shaw's NPI number?

The NPI number for Sen Shaw is 1215089438. It was assigned to this individual provider in the NPPES registry on January 17, 2007.

Where is Sen Shaw located?

Sen Shaw practices at 975 Sereno Dr, Vallejo, CA 94589. The listed phone number is (707) 651-1000.

What is Sen Shaw's specialty?

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

Is Sen Shaw enrolled in Medicare?

Yes. Sen Shaw 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 organizations bill Medicare for Sen Shaw's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Sen Shaw reassigns Medicare benefits to 3 organizations: Permanente Medical Group Inc (Vallejo, CA), First Choice Physician Partners (Manteca, CA) and County Of Monterey (Prunedale, 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 Sen Shaw'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 Sen Shaw was last updated on July 8, 2007. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 19 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.