GLADYS HAPPI
NPI 1548598519
Nurse Practitioner - Family in Columbia, MD
About Gladys Happi NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
GLADYS HAPPI (NPI 1548598519) is an individual family provider in Columbia, Maryland, licensed in Maryland (R147833) and active in the NPI registry since December 2009. She is enrolled in Medicare PECOS, maintains a secondary practice location in Columbia, and is a graduate of Other (2020).
NPPES Registry Identity
Specialties & Licenses
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
Gladys Happi 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 Gladys Happi reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Columbia, MD 21045
- Reassigned Medicare billing, Maryland enrollment
- 2 clinicians in this Medicare group
Columbia, MD 21044
- Reassigned Medicare billing, District of Columbia and Maryland enrollments
- 21 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.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 21045 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
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.
COLUMBIA, MD 21045
COLUMBIA, MD 21045
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 Gladys Happi's NPI number?
The NPI number for Gladys Happi is 1548598519. It was assigned to this individual provider in the NPPES registry on December 2, 2009.
Where is Gladys Happi located?
Gladys Happi practices at 9650 Santiago Rd Ste 7, Columbia, MD 21045. The listed phone number is (443) 472-0212.
What is Gladys Happi's specialty?
The primary specialty registered for this NPI is Nurse Practitioner, specializing in Family, with taxonomy code 363LF0000X.
Is Gladys Happi enrolled in Medicare?
Yes. Gladys Happi 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 Gladys Happi's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Gladys Happi reassigns Medicare benefits to 2 organizations: Happy Medical Care And Clinic (Columbia, MD) and Imran H Chowdhury MD PA (Columbia, 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 Gladys Happi's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
When was this NPI record last updated?
The NPPES record for Gladys Happi was last updated on March 2, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 8 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.
# Gladys Happi · NPI 1548598519
Family physician in Columbia, Maryland. Individual provider, active in the CMS NPPES registry since December 2, 2009.
## Identity
- **NPI:** 1548598519 (Entity type: Individual)
- **Enumerated:** December 2, 2009
- **Primary specialty:** Nurse Practitioner - Family · taxonomy 363LF0000X
- **State license:** R147833 (Maryland)
- **Sole proprietor:** Yes
## Practice location
- **Address:** 9650 SANTIAGO RD STE 7, Columbia, MD 21045-3960
- **Phone:** (443) 472-0212 · **Fax:** (410) 541-4860
## 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): Happy Medical Care And Clinic (NPI 1902512247, Columbia, MD); Imran H Chowdhury MD PA (NPI 1699728089, Columbia, MD) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2020
## Record status
- **NPPES last updated:** March 2, 2026
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Source: [NPI Profile](https://npiprofile.com/npi/1548598519) · Data from the CMS NPPES public registry.