MELISSA LAM VANDER WAL M.D.
NPI 1154692804
Internal Medicine in Vallejo, CA

Q: What is Melissa Vander Wal's NPI number?

The NPI number for Melissa Vander Wal is 1154692804. It was assigned to this individual provider in the NPPES registry on January 25, 2012. The provider is also known as Melissa Yeelin Lam M.D..

Q: What is Melissa Vander Wal's specialty?

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

Active since January 25, 2012PECOS EnrolledAccepts Medicare Assignment

975 SERENO DR, VALLEJO, CA 94589(707) 651-2440(707) 651-1261 Get Directions Write a Review

NPPES record last updated: January 10, 2022. Verified against the NPPES registry weekly; last sync: August 02, 2026.

Record update history: Jan 10, 2022, May 25, 2018 (2 updates tracked since 2018).

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About Melissa Lam Vander Wal M.d. NPPES

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

MELISSA LAM VANDER WAL M.D. (NPI 1154692804) is an individual internal medicine provider in Vallejo, California, licensed in California (113343) and active in the NPI registry since January 2012. She is enrolled in Medicare PECOS and is a graduate of University Of Southern California Keck School Of Medicine (2010).

NPPES Registry Identity

NPI1154692804

Entity TypeIndividualFemale

Primary Taxonomy207R00000X

Provider Legal NameMELISSA LAM VANDER WALCredential: M.D.

Location Address975 SERENO DRVallejo, CA 94589-2441

Mailing Address975 Sereno DrVallejo, CA 94589-2441 · (707) 651-2440 · Fax (707) 651-1261

Phone(707) 651-2440

Fax(707) 651-1261

Sole ProprietorNo

Medical School CMSUniversity Of Southern California Keck School Of MedicineGraduated 2010

Enumeration DateJanuary 25, 2012

Last NPPES UpdateJanuary 10, 20222 updates tracked since enumeration

✔ NPI 1154692804 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 · 113343

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

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Other Names 1

Other Name (5)Melissa Yeelin Lam M.d.

Other Identifiers 1

Other113343CA · Sid # 113343

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 Lam Vander Wal M.d. 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 ID2264669969

PECOS Enrollment IDI20131227001125

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.

Areas of Expertise CMS Part B claims 2

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.

28 services16 patients

Hospital discharge day management, 30 minutes or less 99238

Hospital discharge day management of 30 minutes or less includes finalizing your treatment, discussing your progress, and planning after-care at home. It ensures you're ready to leave the hospital and continue recovery safely.

11 services11 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.

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