MICHAEL C HOAGLIN, MD, INC
NPI 1558954545
Psychiatry & Neurology - Psychosomatic Medicine in Oakland, CA

Q: What is Michael C Hoaglin, MD, Inc's NPI number?

The NPI number for Michael C Hoaglin, MD, Inc is 1558954545. It was assigned to this organization in the NPPES registry on February 19, 2021. The provider is doing business as Gut Feelings Psychosomatic Medicine and Proto.

Q: What is Michael C Hoaglin, MD, Inc's specialty?

The primary specialty registered for this NPI is Psychiatry & Neurology, specializing in Psychosomatic Medicine, with taxonomy code 2084P0015X.

Active since February 19, 2021

400 30TH ST STE 407, OAKLAND, CA 94609(415) 735-6453(415) 548-2181 Get Directions Write a Review

NPPES record last updated: September 14, 2026. Verified against the NPPES registry weekly; last sync: November 08, 2026.

Record update history: Sep 14, 2026, Jul 30, 2023, Apr 6, 2023 and 8 more (11 updates tracked since 2021).

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About Michael C Hoaglin, Md, Inc NPPES

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

MICHAEL C HOAGLIN, MD, INC (NPI 1558954545), doing business as Gut Feelings Psychosomatic Medicine, is a healthcare organization registered as a psychosomatic medicine in Oakland, California and active in the NPI registry since February 2021. The organization lists Michael C Hoaglin, Medical Director, as its authorized official.

NPPES Registry Identity

NPI1558954545

Entity TypeOrganization

Primary Taxonomy2084P0015X

Legal Business NameMICHAEL C HOAGLIN, MD, INC

Location Address400 30TH ST STE 407Oakland, CA 94609-3306

Mailing Address400 30th St Ste 407Oakland, CA 94609-3321 · (415) 735-6453 · Fax (415) 548-2181

Phone(415) 735-6453

Fax(415) 548-2181

Organization SubpartNo

Authorized OfficialMichael C HoaglinMedical Director · (415) 735-6453

Enumeration DateFebruary 19, 2021

Last NPPES UpdateSeptember 14, 202611 updates tracked since enumeration

NPPES CertifiedSeptember 14, 2026

✔ NPI 1558954545 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyPsychiatry & Neurology · Psychosomatic MedicineAllopathic & Osteopathic Physicians

Taxonomy Code2084P0015X

Definition

Psychosomatic Medicine is subspecialty in the diagnosis and treatment of psychiatric disorders and symptoms in complex medically ill patients. This subspecialty includes treatment of patients with acute or chronic medical, neurological, obstetrical or surgical illness in which psychiatric illness is affecting their medical care and/or quality of life such as HIV infection, organ transplantation, heart disease, renal failure, cancer, stroke, traumatic brain injury, high-risk pregnancy and COPD, among others. Patients also may be those who have a psychiatric disorder that is the direct consequence of a primary medical condition, or a somatoform disorder or psychological factors affecting a general medical condition. Psychiatrists specializing in Psychosomatic Medicine provide consultation-liaison services in general medical hospitals, attend on medical psychiatry inpatient units, and provide collaborative care in primary care and other outpatient settings.

Also ListedClinic/CenterTaxonomy 261Q00000X

400 30TH ST STE 407, Oakland, CA 94609

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Other Names 2

Doing Business AsGut Feelings Psychosomatic Medicine

Doing Business AsProto

Group Practice 1

Group TaxonomyThis provider is a business group of one or more individual practitioners, who practice with different areas of specialization.193200000X MULTI-SPECIALTY GROUP

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Alliant Health Plans, Inc., Ambetter from Absolute Total Care, Ambetter from Arkansas Health & Wellness and more.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment and the clinicians who bill Medicare through this organization, from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Michael C Hoaglin, Md, Inc is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Clinicians Billing Medicare Through This Organization

Medicare enrollment records show 2 clinicians reassign Medicare billing to Michael C Hoaglin, MD, Inc, which bills Medicare for the services they deliver. Of these, 1 practice at this address. They are listed nearest first.

Clinicians, nearest first (2)

Michael Hoaglin, MD

Psychiatry

NPI 1174824726

400 30TH ST STE 407
Oakland, CA 94609

(415) 735-6453

✔ PECOS✔ Accepts MedicareSame address

Linda Rushing, MPH, PMHNP

Nurse Practitioner

NPI 1083200661

2108 N ST STE N
Sacramento, CA 95816

(916) 299-7178

✔ PECOS✔ Accepts Medicare67 mi

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

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 Michael C Hoaglin, MD, Inc's NPI number?

The NPI number for Michael C Hoaglin, MD, Inc is 1558954545. It was assigned to this organization in the NPPES registry on February 19, 2021. The provider is doing business as Gut Feelings Psychosomatic Medicine and Proto.

Where is Michael C Hoaglin, MD, Inc located?

Michael C Hoaglin, MD, Inc is located at 400 30th St Ste 407, Oakland, CA 94609. The listed phone number is (415) 735-6453.

What is Michael C Hoaglin, MD, Inc's specialty?

The primary specialty registered for this NPI is Psychiatry & Neurology, specializing in Psychosomatic Medicine, with taxonomy code 2084P0015X.

Is Michael C Hoaglin, MD, Inc enrolled in Medicare?

Yes. Michael C Hoaglin, MD, Inc is registered in the Medicare PECOS enrollment system.

How many clinicians bill Medicare through Michael C Hoaglin, MD, Inc?

According to the CMS Revalidation Reassignment List (October 2026 release), 2 clinicians reassign their Medicare billing to Michael C Hoaglin, MD, Inc, in Nurse Practitioner and Psychiatry. A 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 the clinician's services. Of these, 1 practice at this address. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

What insurance does Michael C Hoaglin, MD, Inc accept?

Health plans from Alliant Health Plans, Inc., Ambetter Health, Ambetter from Absolute Total Care, Ambetter from Arkansas Health & Wellness and Ambetter from Buckeye Health Plan and 26 other insurers list Michael C Hoaglin, MD, Inc as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

When was this NPI record last updated?

The NPPES record for Michael C Hoaglin, MD, Inc was last updated on September 14, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 60 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.