MRS. LYDIA GRACE LI
NPI 1740655919
Physical Therapist - Orthopedic in Potomac, MD
About Mrs. Lydia Grace Li NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MRS. LYDIA GRACE LI (NPI 1740655919) is an individual orthopedic provider in Potomac, Maryland, licensed in Maryland (28386) and active in the NPI registry since December 2015. She maintains 2 additional practice locations and is a graduate of Other (2015).
NPPES Registry Identity
Specialties & Licenses 3
Other Names 1
Secondary Practice Locations 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
Mrs. Lydia Grace Li 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 Lydia Li reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Potomac, MD 20854
- Reassigned Medicare billing, District of Columbia enrollment
- 7 clinicians in this Medicare group
San Antonio, TX 78217
- Reassigned Medicare billing, Texas enrollment
- 17 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 5
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.
Other Providers at the Same Location NPPES 3
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 Lydia Li's NPI number?
The NPI number for Lydia Li is 1740655919. It was assigned to this individual provider in the NPPES registry on December 14, 2015. The provider is also known as Miss Lydia Grace Nitchman.
Where is Lydia Li located?
Lydia Li practices at 7811 Montrose Rd Ste 350, Potomac, MD 20854. The listed phone number is (301) 417-8283.
What is Lydia Li's specialty?
The primary specialty registered for this NPI is Physical Therapist, specializing in Orthopedic, with taxonomy code 2251X0800X.
Is Lydia Li enrolled in Medicare?
Yes. Lydia Li 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 Lydia Li's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Lydia Li reassigns Medicare benefits to 2 organizations: Potomac Physical Therapy And Sports Medicine, LLC (Potomac, MD) and Liberty Rehabilitation Specialists Inc (San Antonio, TX). 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 Lydia Li'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 Lydia Li was last updated on September 8, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 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.
# Mrs. Lydia Grace Li · NPI 1740655919
Orthopedic provider in Potomac, Maryland. Individual provider, active in the CMS NPPES registry since December 14, 2015.
## Identity
- **NPI:** 1740655919 (Entity type: Individual)
- **Enumerated:** December 14, 2015
- **Primary specialty:** Physical Therapist - Orthopedic · taxonomy 2251X0800X
- **State license:** 28386 (Maryland)
- **Sole proprietor:** No
## Practice location
- **Address:** 7811 MONTROSE RD STE 350, Potomac, MD 20854-3359
- **Phone:** (301) 417-8283 · **Fax:** (301) 417-8306
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Bills Medicare through:** 2 organizations under Medicare reassignment (form CMS-855R): Potomac Physical Therapy And Sports Medicine, LLC (NPI 1174079321, Potomac, MD); Liberty Rehabilitation Specialists Inc (NPI 1912939414, San Antonio, TX) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2015
## Record status
- **NPPES last updated:** September 8, 2023
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Source: [NPI Profile](https://npiprofile.com/npi/1740655919) · Data from the CMS NPPES public registry.