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DR. HILLARY DIAMOND M.D.
NPI 1902967011
Internal Medicine - Geriatric Medicine in Northport, NY

Active since December 12, 2006PECOS EnrolledAccepts Medicare Assignment
99 SEA COVE RD, NORTHPORT, NY 11768(631) 300-0585(308) 888-8554 Get Directions Write a Review

NPPES record last updated: June 1, 2020. Verified against the NPPES registry weekly; last sync: July 26, 2026.

Record update history: Jun 1, 2020, Jun 3, 2019 (2 updates tracked since 2019).

About Dr. Hillary Diamond M.d. NPPES

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

DR. HILLARY DIAMOND M.D. (NPI 1902967011) is an individual geriatric medicine provider in Northport, New York, licensed in New York (196450) and active in the NPI registry since December 2006. She is enrolled in Medicare PECOS and is a graduate of State University Of New York At Stony Brook, School Of Medicine (1992).

NPPES Registry Identity

NPI1902967011
Entity TypeIndividualFemale
Primary Taxonomy207RG0300X
Provider Legal NameDR. HILLARY DIAMONDCredential: M.D.
Location Address99 SEA COVE RDNorthport, NY 11768-1850
Mailing Address99 Sea Cove RdNorthport, NY 11768-1850 · (631) 300-0585 · Fax (308) 888-8554
Phone(631) 300-0585
Fax(308) 888-8554
Sole ProprietorYes
Medical School CMSState University Of New York At Stony Brook, School Of MedicineGraduated 1992
Enumeration DateDecember 12, 2006
Last NPPES UpdateJune 1, 20202 updates tracked since enumeration
NPPES CertifiedJune 1, 2020
✔ NPI 1902967011 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyInternal Medicine · Geriatric MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207RG0300X
License✔ Licensed in NY · 196450
Definition

An internist who has special knowledge of the aging process and special skills in the diagnostic, therapeutic, preventive and rehabilitative aspects of illness in the elderly. This specialist cares for geriatric patients in the patient's home, the office, long-term care settings such as nursing homes and the hospital.

Also ListedInternal MedicineTaxonomy 207R00000X · License 196450 (NY)
99 SEA COVE RD, Northport, NY 11768
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Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Dr. Hillary Diamond M.d. 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 ID1052362639
PECOS Enrollment IDI20050201001009
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.

Areas of Expertise CMS Part B claims 5

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 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.
152 services63 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.
37 services27 patients
Administration of influenza virus vaccine G0008
The administration of the influenza virus vaccine, also known as the flu shot, is a simple procedure to protect against the flu. A healthcare provider injects a small dose of the vaccine into your arm. This stimulates your immune system to produce antibodies, which will help your body fight off the flu if exposed.
20 services20 patients
Influenza vaccine split virus, preservative free 90662
The Influenza Vaccine Split Virus, preservative-free, is a flu shot to protect against the influenza virus. It is made from parts of inactivated flu viruses and doesn't contain preservatives, reducing potential side effects. It helps your body develop immunity to the flu.
18 services18 patients
Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit G0439
An annual wellness visit is a yearly appointment with your primary care provider to create or update a personalized prevention plan. This plan helps prevent illness based on your current health and risk factors. It's a subsequent visit, meaning it follows an initial assessment.
17 services17 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 11768 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
$203.53 typical visit price
range $67.40 – $203.53
Typical copayment $50.88 (range $16.85 – $50.88)
Most-billed visit code 99205
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.

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 Hillary Diamond's NPI number?

The NPI number for Hillary Diamond is 1902967011. It was assigned to this individual provider in the NPPES registry on December 12, 2006.

Where is Hillary Diamond located?

Hillary Diamond practices at 99 Sea Cove Rd, Northport, NY 11768. The listed phone number is (631) 300-0585.

What is Hillary Diamond's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Geriatric Medicine, with taxonomy code 207RG0300X.

Is Hillary Diamond enrolled in Medicare?

Yes. Hillary Diamond 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.

When was this NPI record last updated?

The NPPES record for Hillary Diamond was last updated on June 1, 2020. NPI Profile syncs with the weekly NPPES data releases published by CMS.