DR. MARI LOUISE GROVES M.D.
NPI 1598964439
Neurological Surgery in Baltimore, MD

Active since July 11, 2007PECOS EnrolledAccepts Medicare Assignment
74.39/100
CMS Quality Rating
THE JOHNS HOPKINS HOSPITAL, 600 NORTH WOLFE STREET, PHIPPS 556, BALTIMORE, MD 21287(410) 955-7851(410) 955-7862 Get Directions Write a Review

NPPES record last updated: August 19, 2024. Verified against the NPPES registry weekly; last sync: July 26, 2026.

About Dr. Mari Louise Groves M.d. NPPES

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

DR. MARI LOUISE GROVES M.D. (NPI 1598964439) is an individual neurological surgery provider in Baltimore, Maryland, licensed in Maryland (D73227) and active in the NPI registry since July 2007. She is enrolled in Medicare PECOS, is affiliated with Johns Hopkins Hospital, The, and is a graduate of Vanderbilt University School Of Medicine (2007).

NPPES Registry Identity

NPI1598964439
Entity TypeIndividualFemale
Primary Taxonomy207T00000X
Provider Legal NameDR. MARI LOUISE GROVESCredential: M.D.
Location AddressTHE JOHNS HOPKINS HOSPITAL, 600 NORTH WOLFE STREET, PHIPPS 556Baltimore, MD 21287-0001
Mailing Address6201 Greenleigh AveMiddle River, MD 21220-2004 · (410) 933-6423 · Fax (410) 500-4266
Fax(410) 955-7862
Sole ProprietorNo
Medical School CMSVanderbilt University School Of MedicineGraduated 2007
Enumeration DateJuly 11, 2007
Last NPPES UpdateAugust 19, 2024
NPPES CertifiedAugust 19, 2024
NPI 1598964439 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyNeurological SurgeryAllopathic & Osteopathic Physicians
Taxonomy Code207T00000X
License Licensed in MD · D73227
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.

THE JOHNS HOPKINS HOSPITAL, Baltimore, MD 21287

Accepted Insurance

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

Enrolled in Medicare and accepts Medicare assignment

Dr. Mari Louise Groves M.d. 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 ID4486803541
PECOS Enrollment IDI20150730010926
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.

Hospital Affiliations CMS Care Compare

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Johns Hopkins Hospital, The

Acute Care Hospitals · Baltimore, MD
4/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number210009
Location600 North Wolfe StreetBaltimore, MD 21287 · Baltimore City County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 21287 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
$139.05 typical visit price
range $60.73 – $183.44
Typical copayment $34.76 (range $15.18 – $45.86)
Most-billed visit code 99204
Established Patient
$75.47 typical visit price
range $19.60 – $149.17
Typical copayment $18.86 (range $4.90 – $37.29)
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.

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.

74.39/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored as part of a group practice
Quality64.71
Promoting Interoperability97
Improvement Activities40
Cost52.43

Other Providers at the Same Location NPPES 20

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

Emergency Medicine
THE JOHNS HOPKINS HOSPITAL, 1830 E. MONUMENT ST, SUITE 6-100
BALTIMORE, MD 21287
Pediatrics
THE JOHNS HOPKINS HOSPITAL, 1800 ORLEANS STREET
BALTIMORE, MD 21287
Student in an Organized Health Care Education/Training Program
THE JOHNS HOPKINS HOSPITAL, 600 NORTH WOLFE STREET
BALTIMORE, MD 21287
Internal Medicine
THE JOHNS HOPKINS HOSPITAL, 600 NORTH WOLFE STREET
BALTIMORE, MD 21287
Internal Medicine (Pulmonary Disease)
THE JOHNS HOPKINS HOSPITAL, 1800 ORLEANS STREET
BALTIMORE, MD 21287
Physician Assistant (Surgical)
THE JOHNS HOPKINS HOSPITAL, HARVEY 811, 600 N. WOLFE STREET
BALTIMORE, MD 21287
Psychologist
THE JOHNS HOPKINS HOSPITAL, 600 N WOLFE ST. , MEYER 1-163
BALTIMORE, MD 21287
Student in an Organized Health Care Education/Training Program
THE JOHNS HOPKINS HOSPITAL, 1800 ORLEANS STREET - TOWER 110
BALTIMORE, MD 21287

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 Mari Groves's NPI number?

The NPI number for Mari Groves is 1598964439. It was assigned to this individual provider in the NPPES registry on July 11, 2007.

Where is Mari Groves located?

Mari Groves practices at The Johns Hopkins Hospital 600 North Wolfe Street, Phipps 556, Baltimore, MD 21287. The listed phone number is (410) 955-7851.

What is Mari Groves's specialty?

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

Is Mari Groves enrolled in Medicare?

Yes. Mari Groves 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.

What insurance does Mari Groves accept?

Health plans from CareSource list Mari Groves 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.

Is Mari Groves affiliated with any hospitals?

According to CMS data, Mari Groves is affiliated with Johns Hopkins Hospital, The.

When was this NPI record last updated?

The NPPES record for Mari Groves was last updated on August 19, 2024. NPI Profile syncs with the weekly NPPES data releases published by CMS.