MS. LINDSEY RYAN MARTIN CRNP
NPI 1174951917
Nurse Practitioner - Acute Care in Baltimore, MD
About Ms. Lindsey Ryan Martin Crnp NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MS. LINDSEY RYAN MARTIN CRNP (NPI 1174951917) is an individual acute care provider in Baltimore, Maryland, licensed in Maryland (R208391) and active in the NPI registry since October 2013. She is enrolled in Medicare PECOS and is a graduate of Other (2013).
NPPES Registry Identity
Specialties & Licenses
Accepted Insurance
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
Ms. Lindsey Ryan Martin Crnp 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
3Medicare enrollment records show Lindsey Martin reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Boston, MA 02114
- Reassigned Medicare billing, Massachusetts enrollment
- 6,234 clinicians in this Medicare group
Boston, MA 02114
- Reassigned Medicare billing, Massachusetts enrollment
- 6,360 clinicians in this Medicare group
Kobuk, AK 99751
- Reassigned Medicare billing, Alaska and Texas enrollments
- 100 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 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.
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.
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 Lindsey Martin's NPI number?
The NPI number for Lindsey Martin is 1174951917. It was assigned to this individual provider in the NPPES registry on October 14, 2013.
Where is Lindsey Martin located?
Lindsey Martin practices at 22 S Greene St University Of Maryland Medical Center, Baltimore, MD 21201. The listed phone number is (410) 389-2931.
What is Lindsey Martin's specialty?
The primary specialty registered for this NPI is Nurse Practitioner, specializing in Acute Care, with taxonomy code 363LA2100X.
Is Lindsey Martin enrolled in Medicare?
Yes. Lindsey Martin 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 Lindsey Martin's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Lindsey Martin reassigns Medicare benefits to 3 organizations: The General Hospital Corporation (Boston, MA), Massachusetts General Physicians Organization Inc (Boston, MA) and Maniilaq Association (Kobuk, AK). 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 Lindsey Martin's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Lindsey Martin accept?
Health plans from Taro Health list Lindsey Martin as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.
When was this NPI record last updated?
The NPPES record for Lindsey Martin was last updated on October 14, 2013. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 13 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.
# Ms. Lindsey Ryan Martin, CRNP · NPI 1174951917
Acute Care physician in Baltimore, Maryland. Individual provider, active in the CMS NPPES registry since October 14, 2013.
## Identity
- **NPI:** 1174951917 (Entity type: Individual)
- **Enumerated:** October 14, 2013
- **Primary specialty:** Nurse Practitioner - Acute Care · taxonomy 363LA2100X
- **State license:** R208391 (Maryland)
- **Sole proprietor:** No
## Practice location
- **Address:** 22 S GREENE ST, UNIVERSITY OF MARYLAND MEDICAL CENTER, Baltimore, MD 21201
- **Phone:** (410) 389-2931
## 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:** 3 organizations under Medicare reassignment (form CMS-855R): The General Hospital Corporation (NPI 1023049236, Boston, MA); Massachusetts General Physicians Organization Inc (NPI 1801874573, Boston, MA); Maniilaq Association (NPI 1265709901, Kobuk, AK) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2013
## Record status
- **NPPES last updated:** October 14, 2013
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Source: [NPI Profile](https://npiprofile.com/npi/1174951917) · Data from the CMS NPPES public registry.