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GWENDOLYN DELVALLE NP
NPI 1174949432
Nurse Practitioner - Family in New Hyde Park, NY

Active since March 11, 2014PECOS EnrolledAccepts Medicare Assignment
84.47/100
CMS Quality Rating
1999 MARCUS AVE STE 220, NEW HYDE PARK, NY 11042(516) 335-5525 Get Directions Write a Review

NPPES record last updated: May 13, 2026. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: May 13, 2026, Mar 22, 2021 (2 updates tracked since 2021).

About Gwendolyn Delvalle Np NPPES

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

GWENDOLYN DELVALLE NP (NPI 1174949432) is an individual family provider in New Hyde Park, New York, licensed in Maryland (R255408) and active in the NPI registry since March 2014. She is enrolled in Medicare PECOS, is affiliated with University Of Md Baltimore Washington Medical Center, and is a graduate of Other (2013).

NPPES Registry Identity

NPI1174949432
Entity TypeIndividualFemale
Primary Taxonomy363LF0000X
Provider Legal NameGWENDOLYN DELVALLECredential: NP
Location Address1999 MARCUS AVE STE 220New Hyde Park, NY 11042-1021
Mailing Address1999 Marcus Ave Ste 220New Hyde Park, NY 11042-1021 · (516) 335-5525
Phone(516) 335-5525
Sole ProprietorNo
Medical School CMSOtherGraduated 2013
Enumeration DateMarch 11, 2014
Last NPPES UpdateMay 13, 20262 updates tracked since enumeration
NPPES CertifiedMay 13, 2026
✔ NPI 1174949432 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyNurse Practitioner · FamilyPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363LF0000X
License✔ Licensed in MD · R255408
1999 MARCUS AVE STE 220, New Hyde Park, NY 11042
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Other Names 1

Other Name (5)Gwen Delvalle Np

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

Gwendolyn Delvalle 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 ID4981910841
PECOS Enrollment IDI20260109000739
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

3

Medicare enrollment records show Gwendolyn Delvalle reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

University Of Maryland Community Medical Group, Inc.
186 mi
Family Medicine
821 N EUTAW ST
Baltimore, MD 21201
  • Reassigned Medicare billing, Maryland enrollment
  • 966 clinicians in this Medicare group
NPI 1477530624 (443) 552-2900
University Of Maryland Baltimore Washington Heart Associates LLC
192 mi
Cardiovascular Disease
255 HOSPITAL DR FL 3
Glen Burnie, MD 21061
  • Reassigned Medicare billing, Maryland enrollment
  • 38 clinicians in this Medicare group
NPI 1972084507 (410) 553-8240
New York University
1,045 mi
Cardiovascular Disease
3301 QUANTUM BLVD
Boynton Beach, FL 33426
  • Reassigned Medicare billing, New York enrollment
  • 7,712 clinicians in this Medicare group
NPI 1285826438 (877) 648-2964

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 6

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.
296 services182 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.
230 services130 patients
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.
99 services90 patients
New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more 99203
This service involves an initial office or outpatient visit for a new patient. The healthcare professional will spend 30-44 minutes understanding your health history, current issues, and discussing possible treatment plans. It's a comprehensive evaluation to start your healthcare journey.
47 services47 patients
Remote monitoring of physiologic parameters, initial set-up and patient education on use of equipment 99453
Remote monitoring of physiologic parameters involves using special equipment to track vital signs like heart rate and blood pressure from a distance. The initial set-up includes installing the device and teaching the patient how to use it correctly for accurate readings.
33 services33 patients
Exercise or drug-induced heart stress test with electrocardiogram (ecg) with supervision by physician 93016
An exercise or drug-induced heart stress test with ECG involves monitoring your heart's activity while it's under stress, either from exercise or medication. A doctor supervises the entire procedure to ensure safety and accuracy in results. This test helps detect heart problems.
24 services24 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 11042 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
$105.06 typical visit price
range $67.40 – $203.53
Typical copayment $26.26 (range $16.85 – $50.88)
Most-billed visit code 99203
Established Patient
$117.62 typical visit price
range $21.66 – $164.45
Typical copayment $29.40 (range $5.41 – $41.11)
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.

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.

84.47/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored as part of a group practice
Quality93.33
Promoting Interoperability100
Improvement Activities40
Cost54.91

Referred Medical Equipment & Supplies CMS DME claims 5

Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.

Blood glucose test or reagent strips for home blood glucose monitor, per 50 strips A4253
DME-Other DME · category DE017N
7 suppliers19 claims49 services$5.38 avg. paid by Medicare
Tacrolimus, immediate release, oral, 1 mg J7507
Treatment-Treatment - Miscellaneous · category RX029N
2 suppliers12 claims360 services$0.33 avg. paid by Medicare
Prednisone, immediate release or delayed release, oral, 1 mg J7512
Treatment-Treatment - Miscellaneous · category RX029N
2 suppliers12 claims1,800 services$0.01 avg. paid by Medicare
Mycophenolate mofetil, oral, 250 mg J7517
Treatment-Treatment - Miscellaneous · category RX029N
2 suppliers12 claims1,440 services$0.20 avg. paid by Medicare
Pharmacy supply fee for oral anti-cancer, oral anti-emetic or immunosuppressive drug(s); for a subsequent prescription in a 30-day period Q0512
Treatment-Chemotherapy · category RH012N
2 suppliers25 claims25 services$12.63 avg. paid by Medicare
Dollar amounts are the average Medicare paid the supplier per service. They are not the cost to the patient.

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.

DR. MICHAEL JASON LEVINE MD
Internal Medicine (Cardiovascular Disease)
1999 MARCUS AVE STE 220
NEW HYDE PARK, NY 11042
Nassau County (516) 869-5400
AARON WENGROFSKY
Internal Medicine (Cardiovascular Disease)
1999 MARCUS AVE STE 220
NEW HYDE PARK, NY 11042
Nassau County (516) 869-5400
DR. RONNIE A HERSHMAN MD
Internal Medicine (Cardiovascular Disease)
1999 MARCUS AVE STE 220
NEW HYDE PARK, NY 11042
Nassau County (516) 869-5400

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 Gwendolyn Delvalle's NPI number?

The NPI number for Gwendolyn Delvalle is 1174949432. It was assigned to this individual provider in the NPPES registry on March 11, 2014. The provider is also known as Gwen Delvalle Np.

Where is Gwendolyn Delvalle located?

Gwendolyn Delvalle practices at 1999 Marcus Ave Ste 220, New Hyde Park, NY 11042. The listed phone number is (516) 335-5525.

What is Gwendolyn Delvalle's specialty?

The primary specialty registered for this NPI is Nurse Practitioner, specializing in Family, with taxonomy code 363LF0000X.

Is Gwendolyn Delvalle enrolled in Medicare?

Yes. Gwendolyn Delvalle 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 Gwendolyn Delvalle's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Gwendolyn Delvalle reassigns Medicare benefits to 3 organizations: University Of Maryland Community Medical Group, Inc. (Baltimore, MD), University Of Maryland Baltimore Washington Heart Associates LLC (Glen Burnie, MD) and New York University (Boynton Beach, FL). 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 Gwendolyn Delvalle's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

Is Gwendolyn Delvalle affiliated with any hospitals?

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

When was this NPI record last updated?

The NPPES record for Gwendolyn Delvalle was last updated on May 13, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 months 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.