DAVID E LONGSTROTH M.D.
NPI 1033497367
Family Medicine in Martinez, CA

Q: What is David Longstroth's NPI number?

The NPI number for David Longstroth is 1033497367. It was assigned to this individual provider in the NPPES registry on August 3, 2011.

Q: What is David Longstroth's specialty?

The primary specialty registered for this NPI is Family Medicine with taxonomy code 207Q00000X.

Q: When was this NPI record last updated?

The NPPES record for David Longstroth was last updated on November 6, 2018. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 8 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.

Active since August 03, 2011PECOS Enrolled

2500 ALHAMBRA AVE, MARTINEZ, CA 94553(925) 370-5200 Get Directions Write a Review

NPPES record last updated: November 6, 2018. Verified against the NPPES registry weekly; last sync: November 01, 2026.

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About David E Longstroth M.d. NPPES

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

DAVID E LONGSTROTH M.D. (NPI 1033497367) is an individual family medicine provider in Martinez, California, licensed in California (A117824) and active in the NPI registry since August 2011. He is enrolled in Medicare PECOS and maintains a secondary practice location in Walnut Creek.

NPPES Registry Identity

NPI1033497367

Entity TypeIndividualMale

Primary Taxonomy207Q00000X

Provider Legal NameDAVID E LONGSTROTHCredential: M.D.

Location Address2500 ALHAMBRA AVEMartinez, CA 94553-3156

Mailing Address1450 Treat Blvd # 300Walnut Creek, CA 94597-2168 · (925) 952-2888

Phone(925) 370-5200

Sole ProprietorNo

Enumeration DateAugust 3, 2011

Last NPPES UpdateNovember 6, 2018

✔ NPI 1033497367 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyFamily MedicineAllopathic & Osteopathic Physicians

Taxonomy Code207Q00000X

License✔ Licensed in CA · A117824

Definition

Family Medicine is the medical specialty which is concerned with the total health care of the individual and the family. It is the specialty in breadth which integrates the biological, clinical, and behavioral sciences. The scope of family medicine is not limited by age, sex, organ system, or disease entity.

2500 ALHAMBRA AVE, Martinez, CA 94553

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Secondary Practice Location 1

Location 11450 Treat Blvd # 160Walnut Creek, CA 94597-2168 · Phone (925) 296-9000

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

David E Longstroth M.d. 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 David Longstroth reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Contra Costa County

Same address

General Acute Care Hospital

2500 ALHAMBRA AVE
Martinez, CA 94553

Reassigned Medicare billing, California enrollment
530 clinicians in this Medicare group

NPI 1386719086 (925) 370-5955

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 94553 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

$104.51 typical visit price

range $69.00 – $202.35

Typical copayment $26.12 (range $17.25 – $50.58)

Most-billed visit code 99203

Established Patient

$119.48 typical visit price

range $23.44 – $166.46

Typical copayment $29.87 (range $5.86 – $41.61)

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.

JOHN S HAWKINS

Family Medicine