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Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

ERIC MARTIN BLUMENFELD MD
NPI 1184251738
Psychiatry & Neurology - Psychiatry in San Luis Obispo, CA

Active since March 24, 2020PECOS EnrolledAccepts Medicare Assignment
1039 MURRAY AVE STE 220, SAN LUIS OBISPO, CA 93405(805) 250-2996(805) 250-2998 Get Directions Write a Review

NPPES record last updated: September 28, 2026. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Sep 28, 2026, Mar 10, 2026, Sep 8, 2025 and 4 more (7 updates tracked since 2020).

About Eric Martin Blumenfeld Md NPPES

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

ERIC MARTIN BLUMENFELD MD (NPI 1184251738) is an individual psychiatry provider in San Luis Obispo, California, licensed in California (A184016) and active in the NPI registry since March 2020. He is enrolled in Medicare PECOS, maintains a secondary practice location in Fresno, and is a graduate of Wayne State University School Of Medicine (2020).

NPPES Registry Identity

NPI1184251738
Entity TypeIndividualMale
Primary Taxonomy2084P0800X
Provider Legal NameERIC MARTIN BLUMENFELDCredential: MD
Location Address1039 MURRAY AVE STE 220San Luis Obispo, CA 93405-2058
Mailing Address3835 N Freeway Blvd Ste 100Sacramento, CA 95834-1954
Phone(805) 250-2996
Fax(805) 250-2998
Sole ProprietorNo
Medical School CMSWayne State University School Of MedicineGraduated 2020
Enumeration DateMarch 24, 2020
Last NPPES UpdateSeptember 28, 20267 updates tracked since enumeration
NPPES CertifiedSeptember 28, 2026
✔ NPI 1184251738 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPsychiatry & Neurology · PsychiatryAllopathic & Osteopathic Physicians
Taxonomy Code2084P0800X
License✔ Licensed in CA · A184016
Definition
A Psychiatrist specializes in the prevention, diagnosis, and treatment of mental disorders, emotional disorders, psychotic disorders, mood disorders, anxiety disorders, substance-related disorders, sexual and gender identity disorders and adjustment disorders. Biologic, psychological, and social components of illnesses are explored and understood in treatment of the whole person. Tools used may include diagnostic laboratory tests, prescribed medications, evaluation and treatment of psychological and interpersonal problems with individuals and families, and intervention for coping with stress, crises, and other problems.
1039 MURRAY AVE STE 220, San Luis Obispo, CA 93405
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Secondary Practice Location 1

Location 11925 E Dakota AveFresno, CA 93726-4821 · Phone (559) 600-9171

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Eric Martin Blumenfeld 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 ID2668842501
PECOS Enrollment IDI20230110001982
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

2

Medicare enrollment records show Eric Blumenfeld reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

County Of Fresno
111 mi
Public Health, State or Local
1221 FULTON MALL, PUBLIC HEALTH CLINICS, 1ST FLOOR
Fresno, CA 93721
  • Reassigned Medicare billing, California enrollment
  • 99 clinicians in this Medicare group
NPI 1174606420 (559) 600-3200
Mark David Levine, MD Fresno
116 mi
Psychiatry
5100 N 6TH ST, STE 135
Fresno, CA 93710
  • Reassigned Medicare billing, California enrollment
  • Medicare enrollment name: Mark David Levine MD Professional Corporation
  • 329 clinicians in this Medicare group
NPI 1124387097 (559) 490-2067

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 93405 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
$178.89 typical visit price
range $59.84 – $178.89
Typical copayment $44.72 (range $14.96 – $44.72)
Most-billed visit code 99205
Established Patient
$74.24 typical visit price
range $19.70 – $146.55
Typical copayment $18.56 (range $4.92 – $36.63)
Most-billed visit code 99213
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 5

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

PETER F. AFSARI D.O.
Psychiatry & Neurology (Psychiatry)
1039 MURRAY AVE STE 220
SAN LUIS OBISPO, CA 93405
San Luis Obispo County (805) 250-2996
AMANDA SELMAN
Nurse Practitioner (Psychiatric/Mental Health)
1039 MURRAY AVE STE 220
SAN LUIS OBISPO, CA 93405
San Luis Obispo County (855) 501-1004
ELIZABETH ZAREK
Marriage & Family Therapist
1039 MURRAY AVE STE 220
SAN LUIS OBISPO, CA 93405
San Luis Obispo County (855) 501-1004
MS. KRISTIN BILLINGSLEY TONEY APRN- NP
Nurse Practitioner (Psychiatric/Mental Health)
1039 MURRAY AVE STE 220
SAN LUIS OBISPO, CA 93405
San Luis Obispo County (855) 501-1004
WELBY NIELSEN D.O.
Psychiatry & Neurology (Child & Adolescent Psychiatry)
1039 MURRAY AVE STE 220
SAN LUIS OBISPO, CA 93405
San Luis Obispo County (805) 250-2996

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 Eric Blumenfeld's NPI number?

The NPI number for Eric Blumenfeld is 1184251738. It was assigned to this individual provider in the NPPES registry on March 24, 2020.

Where is Eric Blumenfeld located?

Eric Blumenfeld practices at 1039 Murray Ave Ste 220, San Luis Obispo, CA 93405. The listed phone number is (805) 250-2996.

What is Eric Blumenfeld's specialty?

The primary specialty registered for this NPI is Psychiatry & Neurology, specializing in Psychiatry, with taxonomy code 2084P0800X.

Is Eric Blumenfeld enrolled in Medicare?

Yes. Eric Blumenfeld 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.

Which organizations bill Medicare for Eric Blumenfeld's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Eric Blumenfeld reassigns Medicare benefits to 2 organizations: County Of Fresno (Fresno, CA) and Mark David Levine, MD Fresno (Fresno, 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 Eric Blumenfeld'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 Eric Blumenfeld was last updated on September 28, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 29 days 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.