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MELISSA A TREVELLINE MD
NPI 1063890929
Family Medicine in Diamond Bar, CA

Active since May 12, 2015PECOS EnrolledAccepts Medicare Assignment
1111 GRAND AVE STE L, DIAMOND BAR, CA 91765(909) 551-0205(909) 345-7084 Get Directions Write a Review

NPPES record last updated: October 5, 2021. Verified against the NPPES registry weekly; last sync: August 02, 2026.

Record update history: Oct 5, 2021, Sep 25, 2019, Feb 27, 2019 and 1 more (4 updates tracked since 2018).

About Melissa A Trevelline Md NPPES

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

MELISSA A TREVELLINE MD (NPI 1063890929) is an individual family medicine provider in Diamond Bar, California, licensed in California (A161980) and active in the NPI registry since May 2015. She is enrolled in Medicare PECOS, maintains a secondary practice location in Orange, and is a graduate of Other (2015).

NPPES Registry Identity

NPI1063890929
Entity TypeIndividualFemale
Primary Taxonomy207Q00000X
Provider Legal NameMELISSA A TREVELLINECredential: MD
Location Address1111 GRAND AVE STE LDiamond Bar, CA 91765-4172
Mailing Address1111 Grand Ave Ste LDiamond Bar, CA 91765-4172 · (909) 551-0205 · Fax (909) 345-7084
Phone(909) 551-0205
Fax(909) 345-7084
Sole ProprietorYes
Medical School CMSOtherGraduated 2015
Enumeration DateMay 12, 2015
Last NPPES UpdateOctober 5, 20214 updates tracked since enumeration
NPPES CertifiedOctober 5, 2021
✔ NPI 1063890929 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyFamily MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207Q00000X
Licenses✔ Licensed in CA · A161980✔ Licensed in PA · MD465294
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.
1111 GRAND AVE STE L, Diamond Bar, CA 91765
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Secondary Practice Location 1

Location 1700 S Tustin StOrange, CA 92866-3425 · Phone (714) 450-9436

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include HMSA.Insurance ›

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

Melissa A Trevelline 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 ID446555106
PECOS Enrollment IDI20210816000960
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.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 91765 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
$96.36 typical visit price
range $62.96 – $187.60
Typical copayment $24.09 (range $15.74 – $46.90)
Most-billed visit code 99203
Established Patient
$109.96 typical visit price
range $20.84 – $153.61
Typical copayment $27.49 (range $5.21 – $38.40)
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 2

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

ALAA HAJAL MD
Internal Medicine
1111 GRAND AVE STE L
DIAMOND BAR, CA 91765
Los Angeles County (909) 551-0205
LA VISTA HEALTH
Family Medicine
1111 GRAND AVE STE L
DIAMOND BAR, CA 91765
Los Angeles County (909) 551-0205

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 Melissa Trevelline's NPI number?

The NPI number for Melissa Trevelline is 1063890929. It was assigned to this individual provider in the NPPES registry on May 12, 2015.

Where is Melissa Trevelline located?

Melissa Trevelline practices at 1111 Grand Ave Ste L, Diamond Bar, CA 91765. The listed phone number is (909) 551-0205.

What is Melissa Trevelline's specialty?

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

Is Melissa Trevelline enrolled in Medicare?

Yes. Melissa Trevelline 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.

What insurance does Melissa Trevelline accept?

Health plans from HMSA list Melissa Trevelline as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

When was this NPI record last updated?

The NPPES record for Melissa Trevelline was last updated on October 5, 2021. 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.