DR. LARISSA GURAN
NPI 1235512633
Obstetrics & Gynecology in Rockville, MD
About Dr. Larissa Guran NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. LARISSA GURAN (NPI 1235512633) is an individual obstetrics & gynecology provider in Rockville, Maryland, licensed in Maryland (D0094585) and active in the NPI registry since July 2015. She is enrolled in Medicare PECOS.
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 (PECOS)
Dr. Larissa Guran is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignments
3Medicare enrollment records show Larissa Guran reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Rockville, MD 20850
- Reassigned Medicare billing, Maryland and District of Columbia enrollments
- Also billed through NPI 1851657894 (District of Columbia)
- 114 clinicians in this Medicare group
Washington, DC 20036
- Reassigned Medicare billing, District of Columbia enrollment
- 32 clinicians in this Medicare group
Baltimore, MD 21229
- Reassigned Medicare billing, Maryland enrollment
- 372 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.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 20850 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.
ROCKVILLE, MD 20850
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 Larissa Guran's NPI number?
The NPI number for Larissa Guran is 1235512633. It was assigned to this individual provider in the NPPES registry on July 2, 2015.
Where is Larissa Guran located?
Larissa Guran practices at 9901 Medical Center Dr, Rockville, MD 20850. The listed phone number is (864) 908-3035.
What is Larissa Guran's specialty?
The primary specialty registered for this NPI is Obstetrics & Gynecology with taxonomy code 207V00000X.
Is Larissa Guran enrolled in Medicare?
Yes. Larissa Guran is registered in the Medicare PECOS enrollment system.
Which organizations bill Medicare for Larissa Guran's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Larissa Guran reassigns Medicare benefits to 3 organizations: Obhg Maryland PC (Rockville, MD), Reiter And Hill PLLC (Washington, DC) and St Agnes Healthcare 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 Larissa Guran'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 Larissa Guran was last updated on March 18, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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.
# Dr. Larissa Guran · NPI 1235512633
Obstetrics & Gynecology physician in Rockville, Maryland. Individual provider, active in the CMS NPPES registry since July 2, 2015.
## Identity
- **NPI:** 1235512633 (Entity type: Individual)
- **Enumerated:** July 2, 2015
- **Primary specialty:** Obstetrics & Gynecology · taxonomy 207V00000X
- **State license:** D0094585 (Maryland)
- **Sole proprietor:** No
## Practice location
- **Address:** 9901 MEDICAL CENTER DR, Rockville, MD 20850-3357
- **Phone:** (864) 908-3035
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** 3 organizations under Medicare reassignment (form CMS-855R): Obhg Maryland PC (NPI 1821803628, Rockville, MD); Reiter And Hill PLLC (NPI 1457560732, Washington, DC); St Agnes Healthcare Inc (NPI 1780615922, Baltimore, MD) · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** March 18, 2024
---
Source: [NPI Profile](https://npiprofile.com/npi/1235512633) · Data from the CMS NPPES public registry.