MATTHEW TIMOTHY LONG DO, MPH
NPI 1740863273
Internal Medicine in Oceanside, CA

Q: What is Matthew Long's NPI number?

The NPI number for Matthew Long is 1740863273. It was assigned to this individual provider in the NPPES registry on May 3, 2021.

Q: What is Matthew Long's specialty?

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

Q: When was this NPI record last updated?

The NPPES record for Matthew Long was last updated on July 8, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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 May 03, 2021PECOS EnrolledAccepts Medicare Assignment

4002 VISTA WAY, OCEANSIDE, CA 92056(760) 966-2499(540) 779-7875 Get Directions Write a Review

NPPES record last updated: July 8, 2024. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Jul 8, 2024, Jun 26, 2024, Jun 18, 2024 and 1 more (4 updates tracked since 2021).

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About Matthew Timothy Long Do, Mph NPPES

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

MATTHEW TIMOTHY LONG DO, MPH (NPI 1740863273) is an individual internal medicine provider in Oceanside, California, licensed in California (20A22404) and active in the NPI registry since May 2021. He is enrolled in Medicare PECOS and is a graduate of Arizona College Of Osteopathic Medicine Mid Western University (2021).

NPPES Registry Identity

NPI1740863273

Entity TypeIndividualMale

Primary Taxonomy207R00000X

Provider Legal NameMATTHEW TIMOTHY LONGCredential: DO, MPH

Location Address4002 VISTA WAYOceanside, CA 92056-4506

Mailing Address4002 Vista WayOceanside, CA 92056-4506

Phone(760) 966-2499

Fax(540) 779-7875

Sole ProprietorYes

Medical School CMSArizona College Of Osteopathic Medicine Mid Western UniversityGraduated 2021

Enumeration DateMay 3, 2021

Last NPPES UpdateJuly 8, 20244 updates tracked since enumeration

NPPES CertifiedJuly 8, 2024

✔ NPI 1740863273 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians

Taxonomy Code207R00000X

Licenses✔ Licensed in CA · 20A22404✔ Licensed in AZ · R3570

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.

4002 VISTA WAY, Oceanside, CA 92056

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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

Matthew Timothy Long Do, Mph 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 ID446650923

PECOS Enrollment IDI20240716003388

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

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

Hospitalist Medicine Physicians Of California, Inc

94 mi

Internal Medicine

18300 US HIGHWAY 18
Apple Valley, CA 92307

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

NPI 1184663965 (760) 946-4233

24 On Physicians Of California, PC

222 mi

Hospitalist

465 W PUTNAM AVE
Porterville, CA 93257

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

NPI 1730570565 (800) 923-2247

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 4

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.

Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 99232

Follow-up hospital inpatient care involves daily check-ups while you're admitted in the hospital. Typically, a healthcare provider spends about 25 minutes each day reviewing your condition, adjusting treatment if needed, and answering any questions you might have.

91 services34 patients

Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 99233

Follow-up hospital inpatient care per day typically involves a 35-minute check-up by your healthcare provider. This service includes monitoring your health progress, adjusting your treatment plan if needed, and answering any questions you may have about your condition or care.

44 services19 patients

Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 99223

Initial hospital inpatient care per day, typically 70 minutes, refers to the daily medical service provided to patients admitted to the hospital. This includes a comprehensive evaluation, diagnosis, treatment plan, and monitoring of your health condition. It ensures your well-being during your hospital stay.

28 services28 patients

Hospital discharge day management, more than 30 minutes 99239

Hospital discharge day management over 30 minutes involves a detailed process to ensure a smooth transition from hospital to home. It includes final examinations, discussion of your hospital stay, post-discharge instructions, and coordinating follow-up care.

21 services21 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 92056 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

$108.42 typical visit price

range $20.62 – $151.42

Typical copayment $27.10 (range $5.15 – $37.85)

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.

MRS. LINDSAY AMADOR MARSH CRNA

Nurse Anesthetist, Certified Registered