What is Carsten Ritter's NPI number?

Carsten Ritter's National Provider Identifier (NPI) is 1982869343, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.

What is Carsten Ritter's specialty?

Carsten Ritter is listed in the NPPES registry with a primary specialty of Vascular Neurology Physician (Allopathic & Osteopathic Physicians).

Where is Carsten Ritter located?

Carsten Ritter's practice location on file with NPPES is 5051 Greenspring Ave Ste 300, Baltimore, MD 21209-4358.

What is Carsten Ritter's phone number?

The practice phone number listed in the NPPES registry for Carsten Ritter is (410) 601-8077.

Does Carsten Ritter accept Medicare?

Carsten Ritter is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.

Is Carsten Ritter's NPI active?

Yes — Carsten Ritter's NPI (1982869343) is active in the NPPES registry as of the last update on 2025-06-06.

IndividualActiveAccepts Medicare

Carsten Ritter, MD

NPI 1982869343 · Vascular Neurology Physician · Baltimore, MD

Enrolled with Medicare as Practitioner - Neurology · source: CMS PECOS Public Provider Enrollment (2026.04.01)

Carsten Ritter, MD is a Vascular Neurology Physician provider in Baltimore, MD (NPI 1982869343).

Provider details

NPI number: 1982869343
Entity type: Individual
Primary specialty: Vascular Neurology PhysicianAllopathic & Osteopathic Physicians
Credential: MD
Sex: Male
Sole proprietor: No
License: MD038152 (DC)

Specialties & taxonomies

Vascular Neurology PhysicianPrimary2084V0102XLicense D69589 (MD)
Allopathic & Osteopathic Physicians
Vascular Neurology Physician2084V0102XLicense MD038152 (DC)
Allopathic & Osteopathic Physicians
Vascular Neurology Physician2084V0102XLicense MC-1815 (ID)
Allopathic & Osteopathic Physicians
Vascular Neurology Physician2084V0102XLicense 30262 (MS)
Allopathic & Osteopathic Physicians
Vascular Neurology Physician2084V0102XLicense 2025017339 (MO)
Allopathic & Osteopathic Physicians

Profile Score

Detailed profile(84/100 index)

A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.

Registry tenure25% of score
18 yrs in NPPES registry
Profile completeness25% of score
100% of core fields populated
Practice footprint15% of score
4 documented practice locations
Medicare service volume (vs. specialty peers)25% of score
314 Medicare services, 2024 (ranked within specialty)
Open Payments transparency10% of score
Has Open Payments disclosures (2024)

Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our .

What this provider does (Medicare)

Based on Medicare fee-for-service claims, 2024; not all care is captured.

Service (HCPCS)	Medicare services	Typical Medicare-allowed (2024)
Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 35 Minutes99232	116	$79
Initial Hospital Care With Straightforward Or Low-Level Medical Decision Making, If Using Time, at Least 55 Minutes99222	64	$132
Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 50 Minutes99233	56	$119
Subsequent Hospital Care With Straightforward Or Low Level of Medical Decision Making, Per Day, If Using Time, at Least 25 Minutes99231	48	$51
Initial Hospital Care With Straightforward Or Low Level of Medical Decision Making, Per Day, If Using Time, at Least 40 Minutes99221	18	$85
Critical Care, First 30-74 Minutes99291

Transparency — industry payments

Based on CMS Open Payments, 2024; not all care is captured.

$39 across 2 records (Open Payments 2024)

Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.

Practice location

5051 Greenspring Ave Ste 300

The Sandra and Malcolm Berman Brain & Spine Institute

Baltimore, MD 21209-4358

Phone: (410) 601-8077

Fax: (410) 601-8905

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Mailing address