DR. KARL EDWARD SEIF M.D.
NPI 1043673031
Obstetrics & Gynecology in Baltimore, MD
About Dr. Karl Edward Seif M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. KARL EDWARD SEIF M.D. (NPI 1043673031) is an individual obstetrics & gynecology provider in Baltimore, Maryland, licensed in Virginia (0116028941) and active in the NPI registry since March 2016. He is enrolled in Medicare PECOS, is affiliated with University Of Maryland Medical Center, and is a graduate of Other (2015).
NPPES Registry Identity
Specialties & Licenses
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
Dr. Karl Edward Seif 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 Reassignments
2Medicare enrollment records show Karl Seif reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Baltimore, MD 21201
- Reassigned Medicare billing, Maryland enrollment
- Medicare enrollment name: University Of Maryland Obstetrical And Gynecological Associates PA
- 68 clinicians in this Medicare group
Baltimore, MD 21202
- Reassigned Medicare billing, Maryland enrollment
- 423 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.
Areas of Expertise CMS Part B claims 3
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.
Hospital Affiliations CMS Care Compare 2
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
University Of Maryland Medical Center
Acute Care Hospitals · Baltimore, MDMercy Medical Center Inc
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 15
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
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 Karl Seif's NPI number?
The NPI number for Karl Seif is 1043673031. It was assigned to this individual provider in the NPPES registry on March 29, 2016.
Where is Karl Seif located?
Karl Seif practices at 419 W Redwood St Ste 500, Baltimore, MD 21201. The listed phone number is (667) 214-1300.
What is Karl Seif's specialty?
The primary specialty registered for this NPI is Obstetrics & Gynecology with taxonomy code 207V00000X.
Is Karl Seif enrolled in Medicare?
Yes. Karl Seif 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 organizations bill Medicare for Karl Seif's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Karl Seif reassigns Medicare benefits to 2 organizations: University Of MD Obstetrical And Gynecological Asso. PA (Baltimore, MD) and St Paul Place Specialists, Inc. (Baltimore, MD). Each 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 Karl Seif's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
Is Karl Seif affiliated with any hospitals?
According to CMS data, Karl Seif is affiliated with University Of Maryland Medical Center and Mercy Medical Center Inc.
When was this NPI record last updated?
The NPPES record for Karl Seif was last updated on May 29, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 16 months 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.
# Dr. Karl Edward Seif, M.D. · NPI 1043673031
Obstetrics & Gynecology physician in Baltimore, Maryland. Individual provider, active in the CMS NPPES registry since March 29, 2016.
## Identity
- **NPI:** 1043673031 (Entity type: Individual)
- **Enumerated:** March 29, 2016
- **Primary specialty:** Obstetrics & Gynecology · taxonomy 207V00000X
- **State license:** 0116028941 (Virginia)
- **Sole proprietor:** Yes
## Practice location
- **Address:** 419 W REDWOOD ST STE 500, Baltimore, MD 21201-7001
- **Phone:** (667) 214-1300 · **Fax:** (410) 328-2648
## 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:** 2 organizations under Medicare reassignment (form CMS-855R): University Of MD Obstetrical And Gynecological Asso. PA (NPI 1144252990, Baltimore, MD); St Paul Place Specialists, Inc. (NPI 1174564736, Baltimore, MD) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2015
## Record status
- **NPPES last updated:** May 29, 2025
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Source: [NPI Profile](https://npiprofile.com/npi/1043673031) · Data from the CMS NPPES public registry.