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KAREN M SUMMY CNS
NPI 1619930823
Nurse Practitioner - Adult Health in San Antonio, TX

Active since April 10, 2006PECOS Enrolled
6800 W IH 10, SUITE 300, SAN ANTONIO, TX 78201(210) 616-0008(210) 616-0231 Get Directions Write a Review

NPPES record last updated: August 16, 2013. Verified against the NPPES registry weekly; last sync: November 01, 2026.

About Karen M Summy Cns NPPES

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

KAREN M SUMMY CNS (NPI 1619930823) is an individual adult health provider in San Antonio, Texas, licensed in Texas (584166) and active in the NPI registry since April 2006. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1619930823
Entity TypeIndividualFemale
Primary Taxonomy363LA2200X
Provider Legal NameKAREN M SUMMYCredential: CNS
Location Address6800 W IH 10, SUITE 300San Antonio, TX 78201-2042
Mailing Address6800 W Ih 10 Ste 300San Antonio, TX 78201-2042 · (210) 616-0008 · Fax (210) 616-0231
Phone(210) 616-0008
Fax(210) 616-0231
Sole ProprietorNo
Enumeration DateApril 10, 2006
Last NPPES UpdateAugust 16, 2013
✔ NPI 1619930823 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 3

★ Primary SpecialtyNurse Practitioner · Adult HealthPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363LA2200X
License✔ Licensed in TX · 584166
Also ListedNurse PractitionerTaxonomy 363L00000X · License 584166 (TX)
Also ListedClinical Nurse Specialist · Acute CareTaxonomy 364SA2100X · License 584166 (TX)
6800 W IH 10, San Antonio, TX 78201
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Other Identifiers 2

Medicare PIN270867YN6KTX
Medicaid163573203TX

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include UnitedHealthcare.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Karen M Summy Cns is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

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

7

Medicare enrollment records show Karen Summy reassigns Medicare billing to 7 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Legacy Heart Care Of San Antonio
8.9 mi
Cardiovascular Disease
3903 WISEMAN BLVD STE 114
San Antonio, TX 78251
  • Reassigned Medicare billing, Texas enrollment
  • 66 clinicians in this Medicare group
NPI 1285057935 (210) 558-1800
Legacy Heart Care Of South Austin, LLC
55 mi
Cardiovascular Disease
1180 SETON PKWY STE 280
Kyle, TX 78640
  • Reassigned Medicare billing, Texas enrollment
  • 42 clinicians in this Medicare group
NPI 1346768892 (512) 297-2100
Legacy Heart Care Of Midtown Austin, LLC
86 mi
Cardiovascular Disease
7200 WYOMING SPRINGS DR STE 300
Round Rock, TX 78681
  • Reassigned Medicare billing, Texas enrollment
  • 40 clinicians in this Medicare group
NPI 1356869804 (512) 661-2000
Legacy Heart Care Of Fort Worth, LLC
235 mi
Cardiovascular Disease
2500 WEST FWY STE 200
Fort Worth, TX 76102
  • Reassigned Medicare billing, Texas enrollment
  • 61 clinicians in this Medicare group
NPI 1730120908 (817) 423-4400
Legacy Heart Care Of Grand Prairie, LLC
235 mi
Cardiovascular Disease
4927 LAKE RIDGE PKWY STE 145
Grand Prairie, TX 75052
  • Reassigned Medicare billing, Texas enrollment
  • 41 clinicians in this Medicare group
NPI 1174252837 (469) 340-4400
Legacy Heart Care Of North Dallas, LLC
257 mi
Cardiovascular Disease
7515 GREENVILLE AVE STE 1010
Dallas, TX 75231
  • Reassigned Medicare billing, Texas enrollment
  • 37 clinicians in this Medicare group
NPI 1265150205 (469) 283-3300
Legacy Heartcare Of Dallas, LLC
264 mi
Cardiovascular Disease
4716 DEXTER DR STE 200
Plano, TX 75093
  • Reassigned Medicare billing, Texas enrollment
  • 59 clinicians in this Medicare group
NPI 1144520503 (972) 490-9500

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.

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.
45 services31 patients
Test for exercise-induced lung stress 94618
An exercise-induced lung stress test assesses how your lungs respond to physical activity. During the test, you'll exercise on a treadmill or stationary bike while your heart rate, breathing, blood pressure, and oxygen levels are monitored. This helps identify any abnormal lung responses to exercise.
19 services18 patients
New patient office or other outpatient visit with a high level of medical decision making, if using time, 60 minutes or more 99205
This is a first-time patient visit where a healthcare professional spends 60-74 minutes with you. It involves a comprehensive evaluation, including your medical history and current health condition. They'll also advise on preventive health measures and formulate a treatment plan if needed.
13 services13 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.
12 services12 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 78201 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
$84.92 typical visit price
range $54.84 – $166.88
Typical copayment $21.23 (range $13.71 – $41.72)
Most-billed visit code 99203
Established Patient
$97.05 typical visit price
range $17.52 – $136.11
Typical copayment $24.26 (range $4.38 – $34.02)
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 11

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

LINDA L HILL APN
Clinical Nurse Specialist (Acute Care)
6800 W IH 10, 350
SAN ANTONIO, TX 78201
Bexar County (210) 692-1414
GRACE GLENDA BALDERAS A.P.R.N. B.C.
Nurse Practitioner
6800 W IH 10, SUITE 350
SAN ANTONIO, TX 78201
Bexar County (210) 692-1414
JOSE A PEREZ M.D.
Internal Medicine (Interventional Cardiology)
6800 W IH 10, SUITE 350
SAN ANTONIO, TX 78201
Bexar County (210) 615-1234
OBINNA GIFT ISIGUZO M.D.
Internal Medicine (Cardiovascular Disease)
6800 W IH 10, SUITE 350
SAN ANTONIO, TX 78201
Bexar County (210) 692-1414
DR. CHARLES L ROETH MD
Internal Medicine (Cardiovascular Disease)
6800 W IH 10, SUITE 350
SAN ANTONIO, TX 78201
Bexar County (210) 692-1414
RICHARD MARQUEZ PA-C
Physician Assistant (Medical)
6800 W IH 10, SUITE 200
SAN ANTONIO, TX 78201
Bexar County (210) 271-3203
JAVIER ROMAN-GONZALEZ M.D.
Internal Medicine (Clinical Cardiac Electrophysiology)
6800 W IH 10, SUITE 350
SAN ANTONIO, TX 78201
Bexar County (210) 615-0494
DR. STEVEN E DANIELS M.D.
Internal Medicine (Interventional Cardiology)
6800 W IH 10, SUITE 350
SAN ANTONIO, TX 78201
Bexar County (210) 692-1414

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 Karen Summy's NPI number?

The NPI number for Karen Summy is 1619930823. It was assigned to this individual provider in the NPPES registry on April 10, 2006.

Where is Karen Summy located?

Karen Summy practices at 6800 W Ih 10 Suite 300, San Antonio, TX 78201. The listed phone number is (210) 616-0008.

What is Karen Summy's specialty?

The primary specialty registered for this NPI is Nurse Practitioner, specializing in Adult Health, with taxonomy code 363LA2200X.

Is Karen Summy enrolled in Medicare?

Yes. Karen Summy is registered in the Medicare PECOS enrollment system.

Which organizations bill Medicare for Karen Summy's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Karen Summy reassigns Medicare benefits to 7 organizations: Legacy Heart Care Of San Antonio (San Antonio, TX), Legacy Heart Care Of South Austin, LLC (Kyle, TX), Legacy Heart Care Of Midtown Austin, LLC (Round Rock, TX), Legacy Heart Care Of Fort Worth, LLC (Fort Worth, TX), Legacy Heart Care Of Grand Prairie, LLC (Grand Prairie, TX) and 2 more organizations, 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 Karen Summy's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Karen Summy accept?

Health plans from UnitedHealthcare list Karen Summy 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 Karen Summy was last updated on August 16, 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.