MARK JAY EHRENREICH M.D
NPI 1205848694
Psychiatry & Neurology - Psychiatry in Baltimore, MD
About Mark Jay Ehrenreich M.d NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MARK JAY EHRENREICH M.D (NPI 1205848694) is an individual psychiatry provider in Baltimore, Maryland, licensed in Maryland (D33894) and active in the NPI registry since August 2006. He is enrolled in Medicare PECOS, is affiliated with University Of Md Medical Center Midtown Campus, and is a graduate of University Of Maryland School Of Medicine (1985).
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 2
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
Mark Jay Ehrenreich 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.
Medicare Billing Reassignment
Medicare enrollment records show Mark Ehrenreich reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Baltimore, MD 21201
- Reassigned Medicare billing, Maryland enrollment
- 89 clinicians in this Medicare group
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Hospital Affiliations CMS Care Compare
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
University Of MD Medical Center Midtown Campus
Acute Care Hospitals · Baltimore, MDPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 21201 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
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.
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.
BALTIMORE, MD 21201
BALTIMORE, MD 21201
BALTIMORE, MD 21201
BALTIMORE, MD 21201
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 Mark Ehrenreich's NPI number?
The NPI number for Mark Ehrenreich is 1205848694. It was assigned to this individual provider in the NPPES registry on August 13, 2006.
Where is Mark Ehrenreich located?
Mark Ehrenreich practices at 701 W Pratt St 3rd Flr, Baltimore, MD 21201. The listed phone number is (410) 328-5881.
What is Mark Ehrenreich's specialty?
The primary specialty registered for this NPI is Psychiatry & Neurology, specializing in Psychiatry, with taxonomy code 2084P0800X.
Is Mark Ehrenreich enrolled in Medicare?
Yes. Mark Ehrenreich 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.
Which organization bills Medicare for Mark Ehrenreich's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Mark Ehrenreich reassigns Medicare benefits to University Of Maryland Psychiatry Associates, PA (Baltimore, MD). The 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 Mark Ehrenreich's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
Is Mark Ehrenreich affiliated with any hospitals?
According to CMS data, Mark Ehrenreich is affiliated with University Of MD Medical Center Midtown Campus.
When was this NPI record last updated?
The NPPES record for Mark Ehrenreich was last updated on February 11, 2008. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 18 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.
# Mark Jay Ehrenreich, M.D · NPI 1205848694
Psychiatry physician in Baltimore, Maryland. Individual provider, active in the CMS NPPES registry since August 13, 2006.
## Identity
- **NPI:** 1205848694 (Entity type: Individual)
- **Enumerated:** August 13, 2006
- **Primary specialty:** Psychiatry & Neurology - Psychiatry · taxonomy 2084P0800X
- **State license:** D33894 (Maryland)
- **Sole proprietor:** No
## Practice location
- **Address:** 701 W PRATT ST, 3RD FLR, Baltimore, MD 21201-1023
- **Phone:** (410) 328-5881 · **Fax:** (410) 328-8552
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** University Of Maryland Psychiatry Associates, PA (NPI 1649292699, Baltimore, MD), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** University Of Maryland School Of Medicine, class of 1985
## Record status
- **NPPES last updated:** February 11, 2008
- **Other identifiers:** Medicare PIN W082 (MD); Medicare UPIN E27460 (MD)
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Source: [NPI Profile](https://npiprofile.com/npi/1205848694) · Data from the CMS NPPES public registry.