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ERIC ALVIN RITTER MD
NPI 1659557593
Hospitalist in Baltimore, MD

Active since January 10, 2008PECOS Enrolled
1335 W BALTIMORE ST, BALTIMORE, MD 21223(240) 856-3375 Get Directions Write a Review

NPPES record last updated: December 17, 2021. Verified against the NPPES registry weekly; last sync: August 02, 2026.

Record update history: Dec 17, 2021, Mar 17, 2018, Jan 11, 2018 and 1 more (4 updates tracked since 2017).

About Eric Alvin Ritter Md NPPES

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

ERIC ALVIN RITTER MD (NPI 1659557593) is an individual hospitalist provider in Baltimore, Maryland, licensed in Maryland (D71390) and active in the NPI registry since January 2008. He is enrolled in Medicare PECOS, maintains 2 additional practice locations, and is a graduate of Meharry Medical College School Of Medicine (2006).

NPPES Registry Identity

NPI1659557593
Entity TypeIndividualMale
Primary Taxonomy208M00000X
Provider Legal NameERIC ALVIN RITTERCredential: MD
Location Address1335 W BALTIMORE STBaltimore, MD 21223-2402
Mailing Address703 Hunting PlBaltimore, MD 21229-1427 · (617) 842-8502
Phone(240) 856-3375
Sole ProprietorYes
Medical School CMSMeharry Medical College School Of MedicineGraduated 2006
Enumeration DateJanuary 10, 2008
Last NPPES UpdateDecember 17, 20214 updates tracked since enumeration
NPPES CertifiedDecember 17, 2021
✔ NPI 1659557593 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyHospitalistAllopathic & Osteopathic Physicians
Taxonomy Code208M00000X
License✔ Licensed in MD · D71390
Definition
Hospitalists are physicians whose primary professional focus is the general medical care of hospitalized patients. Their activities include patient care, teaching, research, and leadership related to Hospital Medicine. The term 'hospitalist' refers to physicians whose practice emphasizes providing care for hospitalized patients.
1335 W BALTIMORE ST, Baltimore, MD 21223
Open in Google Maps ↗

Secondary Practice Locations 2

Location 1703 Hunting PlBaltimore, MD 21229-1427 · Phone (617) 842-8502 · Fax (617) 842-8502
Location 22001 Medical PkwyAnnapolis, MD 21401-3773 · Phone (443) 481-1000

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Eric Alvin Ritter Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

PECOS PAC ID6901085463
PECOS Enrollment IDI20110131000040
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.

Areas of Expertise CMS Part B claims

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more 99215
This service involves a follow-up appointment for existing patients, lasting between 40 to 54 minutes. During this time, your healthcare provider will assess your current health status, discuss any changes or concerns, review your treatment plan, and answer any questions you may have.
154 services14 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 21223 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
$106.59 typical visit price
range $19.60 – $149.17
Typical copayment $26.64 (range $4.90 – $37.29)
Most-billed visit code 99214
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 4

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

WILLIAM'S RESTORATION OF HOPE
Community/Behavioral Health
1335 W BALTIMORE ST, 1ST FLOOR
BALTIMORE, MD 21223
Baltimore City (443) 869-2297
WARRIOR4GOD ADDICTION MEDICINE
Internal Medicine (Addiction Medicine)
1335 W BALTIMORE ST
BALTIMORE, MD 21223
Baltimore City (240) 856-3375
WILLIAMS RESTORATION OF HOPE
Clinic/Center (Mental Health (Including Community Mental Health Center))
1335 W BALTIMORE ST, 1ST FLOOR
BALTIMORE, MD 21223
Baltimore City (443) 869-2297
WILLIAMS RESTORATION OF HOPE
Counselor (Addiction (Substance Use Disorder))
1335 W BALTIMORE ST, FIRST FLOOR
BALTIMORE, MD 21223
Baltimore City (443) 869-2297

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 Ritter's NPI number?

The NPI number for Eric Ritter is 1659557593. It was assigned to this individual provider in the NPPES registry on January 10, 2008.

Where is Eric Ritter located?

Eric Ritter practices at 1335 W Baltimore St, Baltimore, MD 21223. The listed phone number is (240) 856-3375.

What is Eric Ritter's specialty?

The primary specialty registered for this NPI is Hospitalist with taxonomy code 208M00000X.

Is Eric Ritter enrolled in Medicare?

Yes. Eric Ritter is registered in the Medicare PECOS enrollment system.

When was this NPI record last updated?

The NPPES record for Eric Ritter was last updated on December 17, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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.