MARISSA DANIELLE RYBSTEIN M.D.
NPI 1447593132
Internal Medicine - Hematology in New York, NY

Active since April 01, 2013PECOS EnrolledAccepts Medicare Assignment
84.47/100
CMS Quality Rating
520 E 70TH ST # 341, NEW YORK, NY 10021(212) 746-2061(212) 746-8866 Get Directions Write a Review

NPPES record last updated: September 12, 2022. Verified against the NPPES registry weekly; last sync: July 26, 2026.

Record update history: Sep 12, 2022, Nov 6, 2020, Mar 23, 2018 and 1 more (4 updates tracked since 2016).

About Marissa Danielle Rybstein M.d. NPPES

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

MARISSA DANIELLE RYBSTEIN M.D. (NPI 1447593132) is an individual hematology provider in New York, New York, licensed in New York (283721) and active in the NPI registry since April 2013. She is enrolled in Medicare PECOS, is affiliated with Long Island Community Hospital, and is a graduate of New York Medical College (2013).

NPPES Registry Identity

NPI1447593132
Entity TypeIndividualFemale
Primary Taxonomy207RH0000X
Provider Legal NameMARISSA DANIELLE RYBSTEINCredential: M.D.
Location Address520 E 70TH ST # 341New York, NY 10021-9800
Mailing Address520 E 70th St # 341New York, NY 10021-9800 · (212) 746-2061 · Fax (212) 746-8866
Fax(212) 746-8866
Sole ProprietorNo
Medical School CMSNew York Medical CollegeGraduated 2013
Enumeration DateApril 1, 2013
Last NPPES UpdateSeptember 12, 20224 updates tracked since enumeration
NPPES CertifiedSeptember 12, 2022
NPI 1447593132 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyInternal Medicine · HematologyAllopathic & Osteopathic Physicians
Taxonomy Code207RH0000X
License Licensed in NY · 283721
Definition
An internist with additional training who specializes in diseases of the blood, spleen and lymph. This specialist treats conditions such as anemia, clotting disorders, sickle cell disease, hemophilia, leukemia and lymphoma.
520 E 70TH ST # 341, New York, NY 10021

Other Names 1

Former Name (1)Marissa Danielle Friedman

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

Marissa Danielle Rybstein 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 ID8325302870
PECOS Enrollment IDI20190903001528
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 9

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 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.
741 services132 patients
Insertion of needle into vein for collection of blood sample 36415
This procedure involves inserting a small needle into a vein, typically in your arm, to collect a blood sample. It's a quick and simple process to help diagnose or monitor health conditions. You may feel a small prick, but discomfort is minimal.
343 services108 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.
189 services117 patients
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.
116 services66 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.
50 services36 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.
49 services49 patients

Hospital Affiliations CMS Care Compare 2

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

Long Island Community Hospital

Acute Care Hospitals · Patchogue, NY
1/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number330141
Location101 Hospital RoadPatchogue, NY 11772 · Suffolk County
Emergency services

Nyu Langone Hospitals

Acute Care Hospitals · New York, NY
5/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number330214
Location550 First AvenueNew York, NY 10016 · New York County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 10021 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
$198.19 typical visit price
range $65.69 – $198.19
Typical copayment $49.54 (range $16.42 – $49.54)
Most-billed visit code 99205
Established Patient
$114.88 typical visit price
range $21.20 – $160.66
Typical copayment $28.72 (range $5.30 – $40.16)
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

Other Providers at the Same Location NPPES 18

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

Internal Medicine (Hematology & Oncology)
520 E 70TH ST # 341
NEW YORK, NY 10021
Internal Medicine (Medical Oncology)
520 E 70TH ST # 341
NEW YORK, NY 10021
Internal Medicine (Hematology & Oncology)
520 E 70TH ST # 341
NEW YORK, NY 10021
Physician Assistant
520 E 70TH ST # 341
NEW YORK, NY 10021
Internal Medicine (Hematology & Oncology)
520 E 70TH ST # 341
NEW YORK, NY 10021
Internal Medicine (Medical Oncology)
520 E 70TH ST # 341
NEW YORK, NY 10021
Internal Medicine (Hematology)
520 E 70TH ST # 341
NEW YORK, NY 10021
Internal Medicine (Hematology & Oncology)
520 E 70TH ST # 341
NEW YORK, NY 10021

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 Marissa Rybstein's NPI number?

The NPI number for Marissa Rybstein is 1447593132. It was assigned to this individual provider in the NPPES registry on April 1, 2013. The provider is also known as Marissa Danielle Friedman.

Where is Marissa Rybstein located?

Marissa Rybstein practices at 520 E 70th St # 341, New York, NY 10021. The listed phone number is (212) 746-2061.

What is Marissa Rybstein's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Hematology, with taxonomy code 207RH0000X.

Is Marissa Rybstein enrolled in Medicare?

Yes. Marissa Rybstein 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.

Is Marissa Rybstein affiliated with any hospitals?

According to CMS data, Marissa Rybstein is affiliated with Long Island Community Hospital and Nyu Langone Hospitals.

When was this NPI record last updated?

The NPPES record for Marissa Rybstein was last updated on September 12, 2022. NPI Profile syncs with the weekly NPPES data releases published by CMS.