KATHERINE S DE GUZMAN
NPI 1477893600
Nurse Practitioner - Family in Baltimore, MD
About Katherine S De Guzman NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
KATHERINE S DE GUZMAN (NPI 1477893600) is an individual family provider in Baltimore, Maryland, licensed in Maryland (R253278) and active in the NPI registry since February 2013. She is enrolled in Medicare PECOS, is affiliated with Johns Hopkins Hospital, The, and maintains a secondary practice location in North Hollywood.
NPPES Registry Identity
Specialties & Licenses 2
Secondary Practice Location 1
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
Katherine S De Guzman 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 Katherine De Guzman reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Lutherville Timonium, MD 21093
- Reassigned Medicare billing, Maryland and District of Columbia enrollments
- Also billed through NPI 1255359972 (District of Columbia)
- 952 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 4
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
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Johns Hopkins Hospital, The
Acute Care Hospitals · Baltimore, MDPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 21209 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
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
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 Katherine De Guzman's NPI number?
The NPI number for Katherine De Guzman is 1477893600. It was assigned to this individual provider in the NPPES registry on February 25, 2013.
Where is Katherine De Guzman located?
Katherine De Guzman practices at 6225 Smith Ave Ste B300, Baltimore, MD 21209. The listed phone number is (410) 583-2653.
What is Katherine De Guzman's specialty?
The primary specialty registered for this NPI is Nurse Practitioner, specializing in Family, with taxonomy code 363LF0000X.
Is Katherine De Guzman enrolled in Medicare?
Yes. Katherine De Guzman 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 Katherine De Guzman's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Katherine De Guzman reassigns Medicare benefits to Johns Hopkins Community Physicians (Lutherville Timonium, 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 Katherine De Guzman's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
Is Katherine De Guzman affiliated with any hospitals?
According to CMS data, Katherine De Guzman is affiliated with Johns Hopkins Hospital, The.
When was this NPI record last updated?
The NPPES record for Katherine De Guzman was last updated on July 7, 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.
# Katherine S De Guzman · NPI 1477893600
Family physician in Baltimore, Maryland. Individual provider, active in the CMS NPPES registry since February 25, 2013.
## Identity
- **NPI:** 1477893600 (Entity type: Individual)
- **Enumerated:** February 25, 2013
- **Primary specialty:** Nurse Practitioner - Family · taxonomy 363LF0000X
- **State license:** R253278 (Maryland)
- **Sole proprietor:** No
## Practice location
- **Address:** 6225 SMITH AVE STE B300, Baltimore, MD 21209-3613
- **Phone:** (410) 583-2653
## 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:** Johns Hopkins Community Physicians (NPI 1477364651, Lutherville Timonium, MD), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2012
## Record status
- **NPPES last updated:** July 7, 2025
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Source: [NPI Profile](https://npiprofile.com/npi/1477893600) · Data from the CMS NPPES public registry.