JOHN M. GROLLMUS, M.D., INC.
NPI 1851337380
Neurological Surgery in Santa Rosa, CA

Active since June 22, 2006
990 SONOMA AVE, STE. 20 &21, SANTA ROSA, CA 95404(707) 525-0696(707) 525-8404 Get Directions Write a Review

NPPES record last updated: August 22, 2020. Verified against the NPPES registry weekly; last sync: August 16, 2026.

About John M. Grollmus, M.d., Inc. NPPES

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

JOHN M. GROLLMUS, M.D., INC. (NPI 1851337380) is a healthcare organization registered as a neurological surgery in Santa Rosa, California and active in the NPI registry since June 2006. The organization lists John M. Grollmus, Owner/ Lead Physician, as its authorized official.

NPPES Registry Identity

NPI1851337380
Entity TypeOrganization
Primary Taxonomy207T00000X
Legal Business NameJOHN M. GROLLMUS, M.D., INC.
Location Address990 SONOMA AVE, STE. 20 &21Santa Rosa, CA 95404-4802
Mailing Address990 Sonoma Ave, Ste. 20 &21Santa Rosa, CA 95404-4802 · (707) 525-0696 · Fax (707) 525-8404
Fax(707) 525-8404
Organization SubpartNo
Authorized OfficialJohn M. GrollmusOwner/ Lead Physician · (707) 525-0696
Enumeration DateJune 22, 2006
Last NPPES UpdateAugust 22, 2020
NPI 1851337380 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyNeurological SurgeryAllopathic & Osteopathic Physicians
Taxonomy Code207T00000X
License Licensed in CA · C27979
Definition
A neurological surgeon provides the operative and non-operative management (i.e., prevention, diagnosis, evaluation, treatment, critical care, and rehabilitation) of disorders of the central, peripheral, and autonomic nervous systems, including their supporting structures and vascular supply; the evaluation and treatment of pathological processes which modify function or activity of the nervous system; and the operative and non-operative management of pain. A neurological surgeon treats patients with disorders of the nervous system; disorders of the brain, meninges, skull, and their blood supply, including the extracranial carotid and vertebral arteries; disorders of the pituitary gland; disorders of the spinal cord, meninges, and vertebral column, including those which may require treatment by spinal fusion or instrumentation; and disorders of the cranial and spinal nerves throughout their distribution.
990 SONOMA AVE, Santa Rosa, CA 95404

Other Identifiers 2

OtherPA10702CA · Ca Linc For Eliz Redick
OtherA93807CA · Ca Linc For Dr. Lapsiwala

Group Practice 1

Group TaxonomyThis provdier is a business group of one or more individual practitioners, all of who practice with the same area of specialization.193400000X SINGLE SPECIALTY GROUP

Other Providers at the Same Location NPPES 8

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

Physical Medicine & Rehabilitation
990 SONOMA AVE, SUITE #3
SANTA ROSA, CA 95404
Dentist (General Practice)
990 SONOMA AVE, SUITE #22
SANTA ROSA, CA 95404
Dentist
990 SONOMA AVE, #16
SANTA ROSA, CA 95404
Pharmacy (Community/Retail Pharmacy)
990 SONOMA AVE
SANTA ROSA, CA 95404
Family Medicine
990 SONOMA AVE, 17
SANTA ROSA, CA 95404
Ophthalmology
990 SONOMA AVE, STE 10
SANTA ROSA, CA 95404
Clinic/Center (Dental)
990 SONOMA AVE, SUITE 22
SANTA ROSA, CA 95404
Family Medicine
990 SONOMA AVE, SUITE 5
SANTA ROSA, CA 95404

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 John M. Grollmus, M.D., Inc.'s NPI number?

The NPI number for John M. Grollmus, M.D., Inc. is 1851337380. It was assigned to this organization in the NPPES registry on June 22, 2006.

Where is John M. Grollmus, M.D., Inc. located?

John M. Grollmus, M.D., Inc. is located at 990 Sonoma Ave Ste. 20 &21, Santa Rosa, CA 95404. The listed phone number is (707) 525-0696.

What is John M. Grollmus, M.D., Inc.'s specialty?

The primary specialty registered for this NPI is Neurological Surgery with taxonomy code 207T00000X.

When was this NPI record last updated?

The NPPES record for John M. Grollmus, M.D., Inc. was last updated on August 22, 2020. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 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.