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DR. DARREN DOYLE PHELAN M.D.
NPI 1598878894
Emergency Medicine in Menlo Park, CA

Active since August 17, 2006Opted out of Medicare · through May 12, 2027
401 BURGESS DR, SUITE D, MENLO PARK, CA 94025(650) 326-0840(650) 326-1719 Get Directions Write a Review

NPPES record last updated: May 1, 2013. Verified against the NPPES registry weekly; last sync: August 16, 2026.

About Dr. Darren Doyle Phelan M.d. NPPES

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

DR. DARREN DOYLE PHELAN M.D. (NPI 1598878894) is an individual emergency medicine provider in Menlo Park, California, licensed in California (G071895) and active in the NPI registry since August 2006. He has opted out of Medicare through May 12, 2027 and remains eligible to order and refer.

NPPES Registry Identity

NPI1598878894
Entity TypeIndividualMale
Primary Taxonomy207P00000X
Provider Legal NameDR. DARREN DOYLE PHELANCredential: M.D.
Location Address401 BURGESS DR, SUITE DMenlo Park, CA 94025-3469
Mailing Address401 Burgess Dr, Suite DMenlo Park, CA 94025-3469 · (650) 326-0840 · Fax (650) 326-1719
Phone(650) 326-0840
Fax(650) 326-1719
Sole ProprietorYes
Enumeration DateAugust 17, 2006
Last NPPES UpdateMay 1, 2013
✔ NPI 1598878894 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyEmergency MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207P00000X
License✔ Licensed in CA · G071895
Definition
An emergency physician focuses on the immediate decision making and action necessary to prevent death or any further disability both in the pre-hospital setting by directing emergency medical technicians and in the emergency department. The emergency physician provides immediate recognition, evaluation, care, stabilization and disposition of a generally diversified population of adult and pediatric patients in response to acute illness and injury.
401 BURGESS DR, Menlo Park, CA 94025
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Other Identifiers 1

Medicare UPINF18797

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

ⓘ

Opted out of Medicare

Dr. Darren Doyle Phelan M.d. has filed a Medicare opt-out affidavit. Services are provided under private contract between the provider and the patient, and are not billed to or reimbursed by Medicare. The opt-out is on file from May 12, 2015 through May 12, 2027.

Opt-Out Effective DateMay 12, 2015
Opt-Out In Effect ThroughMay 12, 2027Opt-out affidavits renew automatically every two years unless cancelled
Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesAn opted-out provider can still order and refer for Medicare patients in the categories marked above, even though their own services are not covered.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 94025 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 2

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

SETH DAVID WEISSMAN MD
Internal Medicine
401 BURGESS DR, SUITE B
MENLO PARK, CA 94025
San Mateo County (650) 325-9906
DR. SCOTT H WOOD M.D.
Internal Medicine
401 BURGESS DR, SUITE B
MENLO PARK, CA 94025
San Mateo County (650) 325-9955

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 Darren Phelan's NPI number?

The NPI number for Darren Phelan is 1598878894. It was assigned to this individual provider in the NPPES registry on August 17, 2006.

Where is Darren Phelan located?

Darren Phelan practices at 401 Burgess Dr Suite D, Menlo Park, CA 94025. The listed phone number is (650) 326-0840.

What is Darren Phelan's specialty?

The primary specialty registered for this NPI is Emergency Medicine with taxonomy code 207P00000X.

Is Darren Phelan enrolled in Medicare?

No. Darren Phelan has opted out of Medicare through May 12, 2027. Care is provided under private contracts, and Medicare does not pay for services furnished by providers who have opted out. The provider remains eligible to order and refer services for Medicare patients.

When was this NPI record last updated?

The NPPES record for Darren Phelan was last updated on May 1, 2013. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 13 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.