CHRISTINA K. MARTIN NP
NPI 1689605537
Nurse Practitioner - Acute Care in Towson, MD

Active since July 06, 2006PECOS EnrolledAccepts Medicare Assignment
6535 N CHARLES ST, SUITE 550, TOWSON, MD 21204(410) 494-1662(410) 494-1718 Get Directions Write a Review

NPPES record last updated: December 7, 2011. Verified against the NPPES registry weekly; last sync: October 25, 2026.

About Christina K. Martin Np NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

CHRISTINA K. MARTIN NP (NPI 1689605537) is an individual acute care provider in Towson, Maryland, licensed in Maryland (R167118) and active in the NPI registry since July 2006. She is enrolled in Medicare PECOS, is affiliated with University Of Md Baltimore Washington Medical Center, and is a graduate of Other (2004).

NPPES Registry Identity

NPI1689605537
Entity TypeIndividualFemale
Primary Taxonomy363LA2100X
Provider Legal NameCHRISTINA K. MARTINCredential: NP
Location Address6535 N CHARLES ST, SUITE 550Towson, MD 21204-5826
Mailing Address6535 N Charles St, Suite 550Towson, MD 21204-5826 · (410) 494-1662 · Fax (410) 494-1718
Fax(410) 494-1718
Sole ProprietorNo
Medical School CMSOtherGraduated 2004
Enumeration DateJuly 6, 2006
Last NPPES UpdateDecember 7, 2011
✔ NPI 1689605537 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyNurse Practitioner · Acute CarePhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363LA2100X
License✔ Licensed in MD · R167118
6535 N CHARLES ST, Towson, MD 21204

Other Names 1

Former Name (1)Christina K. Ellis A.c.n.p.

Other Identifiers 2

Medicare UPINQ53473
Medicare ID-Type Unspecified000LM565

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

Christina K. Martin Np 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.

PECOS PAC ID2466478870
PECOS Enrollment IDI20051014000563
Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Billing Reassignments

6

Medicare enrollment records show Christina Martin reassigns Medicare billing to 6 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Pediatrics
515 FAIRMOUNT AVE, SUITE 200
Towson, MD 21286
  • Reassigned Medicare billing, Maryland enrollment
  • 317 clinicians in this Medicare group
Family Medicine
821 N EUTAW ST
Baltimore, MD 21201
  • Reassigned Medicare billing, Maryland enrollment
  • 966 clinicians in this Medicare group
Cardiovascular Disease
1417 MADISON PARK DR
Glen Burnie, MD 21061
  • Reassigned Medicare billing, Maryland enrollment
  • 11 clinicians in this Medicare group
Cardiovascular Disease
255 HOSPITAL DR FL 3
Glen Burnie, MD 21061
  • Reassigned Medicare billing, Maryland enrollment
  • 38 clinicians in this Medicare group
Specialist
2002 MEDICAL PKWY, SUITE 520
Annapolis, MD 21401
  • Reassigned Medicare billing, Maryland enrollment
  • 40 clinicians in this Medicare group
Surgery
110 IRVING ST NW, ATTN: MEDICAL AFFAIRS
Washington, DC 20010
  • Reassigned Medicare billing, Maryland enrollment
  • 184 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.

Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report 93000
An electrocardiogram (ECG) is a non-invasive test that records your heart's electrical activity. Using 12 leads attached to your body, it captures data to help identify heart conditions. A doctor interprets the results and provides a report.
307 services285 patients
Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214
This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.
276 services253 patients
New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more 99204
This is a first-time office or outpatient visit lasting between 45-59 minutes. The healthcare provider evaluates your health, discusses your medical history, and may suggest further tests or treatments. It's an opportunity to ask questions and understand your health better.
80 services80 patients
Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more 99213
This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.
18 services15 patients

Hospital Affiliations CMS Care Compare

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

University Of MD Baltimore Washington Medical Center

Acute Care Hospitals · Glen Burnie, MD
3/5 CMS rating
OwnershipVoluntary non-profit - Other
CMS Certification Number210043
Location301 Hospital DriveGlen Burnie, MD 21061 · Anne Arundel County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 21204 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$94.08 typical visit price
range $60.73 – $183.44
Typical copayment $23.52 (range $15.18 – $45.86)
Most-billed visit code 99203
Established Patient
$106.59 typical visit price
range $19.60 – $149.17
Typical copayment $26.64 (range $4.90 – $37.29)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

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.

Psychiatry & Neurology (Psychiatry)
6535 N CHARLES ST, SUITE 300
TOWSON, MD 21204
Psychologist (Clinical)
6535 N CHARLES ST, SUITE 550
TOWSON, MD 21204
Psychiatry & Neurology (Psychiatry)
6535 N CHARLES ST, SUITE 300
TOWSON, MD 21204
Allergy & Immunology (Allergy)
6535 N CHARLES ST, PPN 200
TOWSON, MD 21204
Nurse Practitioner (Family)
6535 N CHARLES ST, 125
BALTIMORE, MD 21204
Social Worker (Clinical)
6535 N CHARLES ST, SUITE 300
BALTIMORE, MD 21204
Specialist
6535 N CHARLES ST, SUITE 445
TOWSON, MD 21204
Counselor (Professional)
6535 N CHARLES ST, SUITE 300
BALTIMORE, MD 21204

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 Christina Martin's NPI number?

The NPI number for Christina Martin is 1689605537. It was assigned to this individual provider in the NPPES registry on July 6, 2006. The provider is also known as Christina K. Ellis A.C.N.P..

Where is Christina Martin located?

Christina Martin practices at 6535 N Charles St Suite 550, Towson, MD 21204. The listed phone number is (410) 494-1662.

What is Christina Martin's specialty?

The primary specialty registered for this NPI is Nurse Practitioner, specializing in Acute Care, with taxonomy code 363LA2100X.

Is Christina Martin enrolled in Medicare?

Yes. Christina 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 Christina Martin's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Christina Martin reassigns Medicare benefits to 6 organizations: Lifebridge Community Physicians, Inc (Towson, MD), University Of Maryland Community Medical Group, Inc. (Baltimore, MD), The Heart Center Of Northern Anne Arundel County PA (Glen Burnie, MD), University Of Maryland Baltimore Washington Heart Associates LLC (Glen Burnie, MD), Cardiology Associates, LLC (Annapolis, MD) and 1 more organization, listed in the Medicare section above. 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 Christina Martin's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

Is Christina Martin affiliated with any hospitals?

According to CMS data, Christina Martin is affiliated with University Of MD Baltimore Washington Medical Center.

When was this NPI record last updated?

The NPPES record for Christina Martin was last updated on December 7, 2011. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 14 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.