DR. EDWARD JOHN ALFREY M.D.
NPI 1992773311
Transplant Surgery in Larkspur, CA

Q: What is Edward Alfrey's NPI number?

The NPI number for Edward Alfrey is 1992773311. It was assigned to this individual provider in the NPPES registry on March 10, 2006.

Q: What is Edward Alfrey's specialty?

The primary specialty registered for this NPI is Transplant Surgery with taxonomy code 204F00000X.

Q: When was this NPI record last updated?

The NPPES record for Edward Alfrey was last updated on March 3, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 8 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.

Active since March 10, 2006PECOS Enrolled

5 BON AIR RD STE 101, LARKSPUR, CA 94939(415) 924-2515(415) 924-2661 Get Directions Write a Review

NPPES record last updated: March 3, 2026. Verified against the NPPES registry weekly; last sync: November 01, 2026.

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About Dr. Edward John Alfrey M.d. NPPES

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

DR. EDWARD JOHN ALFREY M.D. (NPI 1992773311) is an individual transplant surgery provider in Larkspur, California, licensed in California (G72742) and active in the NPI registry since March 2006. He is enrolled in Medicare PECOS, maintains a secondary practice location in Petaluma, and is a graduate of University Of Colorado School Of Medicine, Denver (1984).

NPPES Registry Identity

NPI1992773311

Entity TypeIndividualMale

Primary Taxonomy204F00000X

Provider Legal NameDR. EDWARD JOHN ALFREYCredential: M.D.

Location Address5 BON AIR RD STE 101Larkspur, CA 94939-1134

Mailing Address5 Bon Air Rd Ste 101Larkspur, CA 94939-1134 · (415) 924-2515 · Fax (415) 924-2661

Phone(415) 924-2515

Fax(415) 924-2661

Sole ProprietorNo

Medical School CMSUniversity Of Colorado School Of Medicine, DenverGraduated 1984

Enumeration DateMarch 10, 2006

Last NPPES UpdateMarch 3, 2026

NPPES CertifiedMarch 3, 2026

✔ NPI 1992773311 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyTransplant SurgeryAllopathic & Osteopathic Physicians

Taxonomy Code204F00000X

Licenses✔ Licensed in CA · G72742✔ Licensed in IL · 036-114340

Definition

A surgeon who specializes in transplant surgery. Source: National Uniform Claim Committee

5 BON AIR RD STE 101, Larkspur, CA 94939

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Secondary Practice Location 1

Location 1335 S McDowell BlvdPetaluma, CA 94954-3507 · Phone (415) 924-1515

Other Identifiers 1

Medicaid036114340IL

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Dr. Edward John Alfrey M.d. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

PECOS PAC ID8921027913

PECOS Enrollment IDI20110921000322

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 Edward Alfrey reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Prima Medical Foundation

8.3 mi

Clinic/Center

4 HAMILTON LANDING, SUITE 100
Novato, CA 94949

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

NPI 1811217946 (415) 884-1840

Regents Univ Of California Ucsf

13 mi

Internal Medicine

505 PARNASSUS AVE
San Francisco, CA 94143

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

NPI 1124439807 (415) 476-1000

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 6

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 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.

172 services83 patients

New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more 99203

This service involves an initial office or outpatient visit for a new patient. The healthcare professional will spend 30-44 minutes understanding your health history, current issues, and discussing possible treatment plans. It's a comprehensive evaluation to start your healthcare journey.

99 services99 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.

82 services78 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.

25 services25 patients

Repair of groin hernia (5 years or older) 49505

Repair of a groin hernia is a procedure aimed at fixing an abnormal bulge that can occur in the area between your abdomen and thigh. This condition happens when tissue pushes through a weak spot in your lower abdominal wall. The repair procedure returns this tissue back to its proper place.

23 services23 patients

Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more 99212

This is a routine check-up for patients who have previously seen the doctor. During this 10-19 minute visit, the doctor will review your health status, discuss any concerns, and manage ongoing treatments or medications. It's a chance to ensure your health is on track.

13 services13 patients

Other Providers at the Same Location NPPES 4

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

DR. STEPHANIE JACQUELYN MARONEY M.D.

Surgery

5 BON AIR RD STE 101
LARKSPUR, CA 94939

Marin County (415) 924-2515

JOSHUA ALEX WECHSLER MD

Surgery (Trauma Surgery)

5 BON AIR RD STE 101
LARKSPUR, CA 94939

Marin County (415) 924-2515

SEAN KEVIN MARONEY M.D.

Surgery

5 BON AIR RD STE 101
LARKSPUR, CA 94939

Marin County (415) 924-2515

LISA PARK

Colon & Rectal Surgery

5 BON AIR RD STE 101
LARKSPUR, CA 94939

Marin County (415) 924-2515

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 Edward Alfrey's NPI number?

The NPI number for Edward Alfrey is 1992773311. It was assigned to this individual provider in the NPPES registry on March 10, 2006.

Where is Edward Alfrey located?

Edward Alfrey practices at 5 Bon Air Rd Ste 101, Larkspur, CA 94939. The listed phone number is (415) 924-2515.

What is Edward Alfrey's specialty?

The primary specialty registered for this NPI is Transplant Surgery with taxonomy code 204F00000X.

Is Edward Alfrey enrolled in Medicare?

Yes. Edward Alfrey is registered in the Medicare PECOS enrollment system.

Which organizations bill Medicare for Edward Alfrey's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Edward Alfrey reassigns Medicare benefits to 2 organizations: Prima Medical Foundation (Novato, CA) and Regents Univ Of California Ucsf (San Francisco, CA). Each 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 Edward Alfrey'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 Edward Alfrey was last updated on March 3, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 8 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.