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HEIDI FREYA QUEEN M.D
NPI 1467490789
Emergency Medicine in Mill Valley, CA

Active since June 02, 2006PECOS Enrolled
94.62/100
CMS Quality Rating
655 REDWOOD HWY FRONTAGE RD STE 200, MILL VALLEY, CA 94941(415) 548-7901(415) 718-0532 Get Directions Write a Review

NPPES record last updated: April 1, 2025. Verified against the NPPES registry weekly; last sync: October 18, 2026.

About Heidi Freya Queen M.d NPPES

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

HEIDI FREYA QUEEN M.D (NPI 1467490789) is an individual emergency medicine provider in Mill Valley, California, licensed in California (A62115) and active in the NPI registry since June 2006. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1467490789
Entity TypeIndividualFemale
Primary Taxonomy207P00000X
Provider Legal NameHEIDI FREYA QUEENCredential: M.D
Location Address655 REDWOOD HWY FRONTAGE RD STE 200Mill Valley, CA 94941-3055
Mailing Address2100 Powell Street, Ste 920Emeryville, CA 94608-1803 · (415) 548-7901 · Fax (415) 718-0532
Phone(415) 548-7901
Fax(415) 718-0532
Sole ProprietorNo
Enumeration DateJune 2, 2006
Last NPPES UpdateApril 1, 2025
NPPES CertifiedApril 1, 2025
✔ NPI 1467490789 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 · A62115
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.
655 REDWOOD HWY FRONTAGE RD STE 200, Mill Valley, CA 94941
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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 (PECOS)

Heidi Freya Queen 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 Heidi Queen reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Cep America - California
4.0 mi
Emergency Medicine
250 BON AIR RD
Greenbrae, CA 94904
  • Reassigned Medicare billing, California enrollment
  • 2,323 clinicians in this Medicare group
NPI 1417975319 (415) 925-7000

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.

Emergency department visit with high level of medical decision making 99285
An emergency department visit for severe conditions is when you urgently seek medical help due to serious health issues. These could be severe injuries, breathing problems, unbearable pain, or sudden severe illness. Doctors and nurses will provide immediate care to stabilize your condition.
139 services137 patients
Emergency department visit with moderate level of medical decision making 99284
An emergency department visit for a high-severity issue means you're experiencing a serious health problem that needs immediate attention. This could be a severe injury, serious illness, or life-threatening condition. Medical professionals will provide urgent care to stabilize your condition.
137 services131 patients
Critical care, first 30-74 minutes 99291
Critical care involves immediate and constant attention by a team of specially-trained health professionals. It's for patients with life-threatening conditions, requiring first 30-74 minutes of intense monitoring and treatment.
65 services63 patients
Emergency department visit with low level of medical decision making 99283
An emergency department visit for a problem of moderate severity involves immediate medical attention for issues like minor fractures, burns, or high fever. The healthcare team will assess your condition, provide necessary treatment, and may suggest further tests or admission if required.
11 services11 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 94941 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
$104.67 typical visit price
range $69.07 – $202.63
Typical copayment $26.16 (range $17.26 – $50.65)
Most-billed visit code 99203
Established Patient
$119.61 typical visit price
range $23.44 – $166.64
Typical copayment $29.90 (range $5.86 – $41.66)
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.

Medicare Quality Performance CMS QPP · MIPS

Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.

94.62/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored as part of a group practice
Quality76.67
Improvement Activities40
Cost97.14

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.

MONICA RALSTON ND
Naturopath
655 REDWOOD HWY FRONTAGE RD STE 200
MILL VALLEY, CA 94941
Marin County (415) 569-4470
ENERGIZE HEALTH AND HORMONES, INC.
Clinic/Center (Primary Care)
655 REDWOOD HWY FRONTAGE RD STE 200
MILL VALLEY, CA 94941
Marin County (415) 548-7901

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 Heidi Queen's NPI number?

The NPI number for Heidi Queen is 1467490789. It was assigned to this individual provider in the NPPES registry on June 2, 2006.

Where is Heidi Queen located?

Heidi Queen practices at 655 Redwood Hwy Frontage Rd Ste 200, Mill Valley, CA 94941. The listed phone number is (415) 548-7901.

What is Heidi Queen's specialty?

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

Is Heidi Queen enrolled in Medicare?

Yes. Heidi Queen is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Heidi Queen's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Heidi Queen reassigns Medicare benefits to Cep America - California (Greenbrae, CA). The reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Heidi Queen's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

When was this NPI record last updated?

The NPPES record for Heidi Queen was last updated on April 1, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 18 months 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.