DR. JENNIFER ADASSA GRIFFITHS M.D.
NPI 1942656053
Internal Medicine in Valhalla, NY

Q: What is Jennifer Griffiths's NPI number?

The NPI number for Jennifer Griffiths is 1942656053. It was assigned to this individual provider in the NPPES registry on May 6, 2016.

Q: What is Jennifer Griffiths's specialty?

The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.

Active since May 06, 2016PECOS EnrolledAccepts Medicare Assignment

100 WOODS RD, WESTCHESTER MEDICAL CENTER, VALHALLA, NY 10595(914) 493-7000 Get Directions Write a Review

NPPES record last updated: November 29, 2021. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Nov 29, 2021, Jan 23, 2021 (2 updates tracked since 2021).

On this page

About Dr. Jennifer Adassa Griffiths M.d. NPPES

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

DR. JENNIFER ADASSA GRIFFITHS M.D. (NPI 1942656053) is an individual internal medicine provider in Valhalla, New York, licensed in New York (297021) and active in the NPI registry since May 2016. She is enrolled in Medicare PECOS, is affiliated with Westchester Medical Center, and is a graduate of New York Medical College (2015).

NPPES Registry Identity

NPI1942656053

Entity TypeIndividualFemale

Primary Taxonomy207R00000X

Provider Legal NameDR. JENNIFER ADASSA GRIFFITHSCredential: M.D.

Location Address100 WOODS RD, WESTCHESTER MEDICAL CENTERValhalla, NY 10595-1530

Mailing Address100 Woods Rd, Westchester Medical CenterValhalla, NY 10595-1530 · (914) 493-7000

Phone(914) 493-7000

Sole ProprietorYes

Medical School CMSNew York Medical CollegeGraduated 2015

Enumeration DateMay 6, 2016

Last NPPES UpdateNovember 29, 20212 updates tracked since enumeration

NPPES CertifiedNovember 29, 2021

✔ NPI 1942656053 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians

Taxonomy Code207R00000X

License✔ Licensed in NY · 297021

Definition

A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.

100 WOODS RD, Valhalla, NY 10595

Open in Google Maps ↗

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

Dr. Jennifer Adassa Griffiths 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 ID6204241672

PECOS Enrollment IDI20210217000248

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 Reassignment

Medicare enrollment records show Jennifer Griffiths reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Westchester Medical Center Advanced Physician Services PC

Same address

Anesthesiology

100 WOODS RD, TAYLOR PAVILION - ROOM M229
Valhalla, NY 10595

Reassigned Medicare billing, New York enrollment
1,663 clinicians in this Medicare group

NPI 1740687458 (914) 493-2844

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 10

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.

Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 99232

Follow-up hospital inpatient care involves daily check-ups while you're admitted in the hospital. Typically, a healthcare provider spends about 25 minutes each day reviewing your condition, adjusting treatment if needed, and answering any questions you might have.

126 services41 patients

Subsequent hospital care with straightforward or low level of medical decision making, per day, if using time, at least 25 minutes 99231

Follow-up hospital inpatient care is a daily service where a healthcare professional checks on your health progress during your hospital stay. Each session typically lasts 15 minutes, involving updates on your condition and adjustments to your treatment plan, if necessary.

70 services32 patients

Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more 99215

This service involves a follow-up appointment for existing patients, lasting between 40 to 54 minutes. During this time, your healthcare provider will assess your current health status, discuss any changes or concerns, review your treatment plan, and answer any questions you may have.

66 services32 patients

Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 99233

Follow-up hospital inpatient care per day typically involves a 35-minute check-up by your healthcare provider. This service includes monitoring your health progress, adjusting your treatment plan if needed, and answering any questions you may have about your condition or care.

66 services31 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.

48 services26 patients

Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 99222

Initial hospital inpatient care is a service where a healthcare provider spends about 50 minutes per day overseeing your care while you're admitted in the hospital. This includes reviewing your health status, planning your treatment, and ensuring your safety and comfort.

27 services27 patients

Hospital Affiliations CMS Care Compare

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

Westchester Medical Center

Acute Care Hospitals · Valhalla, NY

1/5 CMS rating

OwnershipVoluntary non-profit - Other

CMS Certification Number330234

Location100 Woods RdValhalla, NY 10595 · Westchester County

Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 10595 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

$154.28 typical visit price

range $67.40 – $203.53

Typical copayment $38.57 (range $16.85 – $50.88)

Most-billed visit code 99204

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.

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.

MRS. LISA ANN SAUER N.P.

Nurse Practitioner (Neonatal, Critical Care)