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DIANA ELENA DALMASI FNP-BC
NPI 1457974107
Family Medicine in Manhasset, NY

Active since May 28, 2020PECOS EnrolledAccepts Medicare Assignment
91.25/100
CMS Quality Rating
400 COMMUNITY DR, MANHASSET, NY 11030(855) 605-4837 Get Directions Write a Review

NPPES record last updated: May 28, 2020. Verified against the NPPES registry weekly; last sync: October 18, 2026.

About Diana Elena Dalmasi Fnp-bc NPPES

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

DIANA ELENA DALMASI FNP-BC (NPI 1457974107) is an individual family medicine provider in Manhasset, New York, licensed in New York (F344967-01) and active in the NPI registry since May 2020. She is enrolled in Medicare PECOS, is affiliated with North Shore University Hospital, and is a graduate of Other (2019).

NPPES Registry Identity

NPI1457974107
Entity TypeIndividualFemale
Primary Taxonomy207Q00000X
Provider Legal NameDIANA ELENA DALMASICredential: FNP-BC
Location Address400 COMMUNITY DRManhasset, NY 11030-3815
Mailing Address175 Clement AveElmont, NY 11003-2705 · (646) 342-4356
Phone(855) 605-4837
Sole ProprietorNo
Medical School CMSOtherGraduated 2019
Enumeration DateMay 28, 2020
NPPES CertifiedMay 28, 2020
✔ NPI 1457974107 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyFamily MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207Q00000X
License✔ Licensed in NY · F344967-01
Definition
Family Medicine is the medical specialty which is concerned with the total health care of the individual and the family. It is the specialty in breadth which integrates the biological, clinical, and behavioral sciences. The scope of family medicine is not limited by age, sex, organ system, or disease entity.
400 COMMUNITY DR, Manhasset, NY 11030
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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

Diana Elena Dalmasi Fnp-bc 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 ID4385036946
PECOS Enrollment IDI20220112000894
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 Diana Dalmasi reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

North Shore-Lij Medical PC
0.8 mi
Urology
1010 NORTHERN BLVD STE 110
Great Neck, NY 11021
  • Reassigned Medicare billing, New York enrollment
  • 9,353 clinicians in this Medicare group
NPI 1053688572 (516) 321-7400
Medical Services Of Bellmore PC
1.6 mi
Obstetrics & Gynecology
27005 76TH AVE
New Hyde Park, NY 11040
  • Reassigned Medicare billing, New York enrollment
  • 18 clinicians in this Medicare group
NPI 1588393656 (718) 470-4400
Mission Medical Care PC
8.6 mi
Internal Medicine
265 SUNRISE HWY STE 1-274
Rockville Centre, NY 11570
  • Reassigned Medicare billing, New York enrollment
  • 49 clinicians in this Medicare group
NPI 1750898565 (212) 803-3339

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 straightforward medical decision making, if using time, 10 minutes or more 99212
This is a routine check-up for patients who have previously seen the doctor. During this 10-19 minute visit, the doctor will review your health status, discuss any concerns, and manage ongoing treatments or medications. It's a chance to ensure your health is on track.
42 services40 patients
Cervical or vaginal cancer screening; pelvic and clinical breast examination G0101
This procedure involves checking for health issues in the lower abdomen and chest area. It helps identify early signs of certain conditions, increasing the chance for successful treatment. It's a routine check-up that's important for maintaining good health.
23 services23 patients
Urinalysis, manual test 81002
A urinalysis is a simple, non-invasive test that checks the urine for various elements such as sugar, protein, and signs of infection. It can help detect many common conditions, including kidney disease and diabetes. The manual test involves a lab technician examining a urine sample.
16 services14 patients
Screening papanicolaou smear; obtaining, preparing and conveyance of cervical or vaginal smear to laboratory Q0091
A Papanicolaou smear, often called a Pap smear, is a test to check for changes in cells. A small sample is gently collected from the lower region and sent to a lab for examination. This helps in early detection of potential health issues.
14 services14 patients

Hospital Affiliations CMS Care Compare

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

North Shore University Hospital

Acute Care Hospitals · Manhasset, NY
4/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number330106
Location300 Community DriveManhasset, NY 11030 · Nassau County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 11030 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.

91.25/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored through an Alternative Payment Model
Quality74.92
Promoting Interoperability91.67
Improvement Activities40

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.

Tacrolimus, extended release, (envarsus xr), oral, 0.25 mg J7503
Treatment-Chemotherapy · category RH002N
1 supplier63 claims26,070 services$1.19 avg. paid by Medicare
Prednisone, immediate release or delayed release, oral, 1 mg J7512
Treatment-Treatment - Miscellaneous · category RX029N
1 supplier50 claims7,410 services$0.01 avg. paid by Medicare
Mycophenolate mofetil, oral, 250 mg J7517
Treatment-Treatment - Miscellaneous · category RX029N
1 supplier24 claims3,000 services$0.20 avg. paid by Medicare
Pharmacy supply fee for oral anti-cancer, oral anti-emetic or immunosuppressive drug(s); for the first prescription in a 30-day period Q0511
Treatment-Chemotherapy · category RH012N
2 suppliers58 claims58 services$18.17 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 suppliers99 claims100 services$11.95 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 20

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

JOHN ELLIOT GUIDO
Student in an Organized Health Care Education/Training Program
400 COMMUNITY DR
MANHASSET, NY 11030
Nassau County (516) 562-1300
DR. AYANA MORALES M.D.
Internal Medicine
400 COMMUNITY DR
MANHASSET, NY 11030
Nassau County (516) 562-4280
VALERIE LEVRANT
Student in an Organized Health Care Education/Training Program
400 COMMUNITY DR, NORTHWELL HEALTH, NSLIJ, DEPT. OF DENTAL MEDICINE
MANHASSET, NY 11030
Nassau County (718) 470-4120
IDA DANCYGER MD
Psychologist (Psychoanalysis)
400 COMMUNITY DR
MANHASSET, NY 11030
Nassau County (516) 562-3260
DR. JAMES SUNGSIK PARK MD
Internal Medicine (Transplant Hepatology)
400 COMMUNITY DR
MANHASSET, NY 11030
Nassau County (516) 472-5805
MADELEINE JEAN QUINN RDN
Dietitian, Registered
400 COMMUNITY DR
MANHASSET, NY 11030
Nassau County (516) 562-4276
DR. TANIA M. WINBERRY D.D.S.
Dentist (General Practice)
400 COMMUNITY DR
MANHASSET, NY 11030
Nassau County (516) 562-1300
PAUL J MATTIS PHD
Clinical Neuropsychologist
400 COMMUNITY DR
MANHASSET, NY 11030
Nassau County (516) 562-3054

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 Diana Dalmasi's NPI number?

The NPI number for Diana Dalmasi is 1457974107. It was assigned to this individual provider in the NPPES registry on May 28, 2020.

Where is Diana Dalmasi located?

Diana Dalmasi practices at 400 Community Dr, Manhasset, NY 11030. The listed phone number is (855) 605-4837.

What is Diana Dalmasi's specialty?

The primary specialty registered for this NPI is Family Medicine with taxonomy code 207Q00000X.

Is Diana Dalmasi enrolled in Medicare?

Yes. Diana Dalmasi 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 Diana Dalmasi's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Diana Dalmasi reassigns Medicare benefits to 3 organizations: North Shore-Lij Medical PC (Great Neck, NY), Medical Services Of Bellmore PC (New Hyde Park, NY) and Mission Medical Care PC (Rockville Centre, NY). 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 Diana Dalmasi's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

Is Diana Dalmasi affiliated with any hospitals?

According to CMS data, Diana Dalmasi is affiliated with North Shore University Hospital.

When was this NPI record last updated?

The NPPES record for Diana Dalmasi was last updated on May 28, 2020. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 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.