DR. ALLISON MARGOLD OSTROFF M.D.
NPI 1720262397
Internal Medicine in Greenwich, CT

Active since December 19, 2007PECOS EnrolledAccepts Medicare Assignment
94.24/100
CMS Quality Rating
75 HOLLY HILL LN, GREENWICH, CT 06830(203) 869-6960(203) 869-5103 Get Directions Write a Review

NPPES record last updated: January 10, 2017. Verified against the NPPES registry weekly; last sync: August 16, 2026.

Record update history: Jan 10, 2017, Dec 11, 2015 (2 updates tracked since 2015).

About Dr. Allison Margold Ostroff M.d. NPPES

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

DR. ALLISON MARGOLD OSTROFF M.D. (NPI 1720262397) is an individual internal medicine provider in Greenwich, Connecticut, licensed in Connecticut (048433) and active in the NPI registry since December 2007. She is enrolled in Medicare PECOS and is a graduate of Albert Einstein College Of Medicine Of Yeshiva University (2005).

NPPES Registry Identity

NPI1720262397
Entity TypeIndividualFemale
Primary Taxonomy207R00000X
Provider Legal NameDR. ALLISON MARGOLD OSTROFFCredential: M.D.
Location Address75 HOLLY HILL LNGreenwich, CT 06830-6098
Mailing Address75 Holly Hill LnGreenwich, CT 06830-6098 · (203) 869-6960 · Fax (203) 869-5103
Fax(203) 869-5103
Sole ProprietorNo
Medical School CMSAlbert Einstein College Of Medicine Of Yeshiva UniversityGraduated 2005
Enumeration DateDecember 19, 2007
Last NPPES UpdateJanuary 10, 20172 updates tracked since enumeration
NPI 1720262397 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
License Licensed in CT · 048433
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.
Also ListedInternal Medicine · Geriatric MedicineTaxonomy 207RG0300X · License 048433 (CT)
75 HOLLY HILL LN, Greenwich, CT 06830

Other Names 1

Former Name (1)Dr. Allison Brook Margold M.d.

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. Allison Margold Ostroff 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 ID5395860126
PECOS Enrollment IDI20100916000340
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 11

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 nursing facility care with straightforward level of medical decision making, per day, if using time, 20 minutes or more 99308
A follow-up nursing facility visit per day is a daily check-up service provided by healthcare professionals. It lasts around 15 minutes and involves assessing your health status, monitoring your recovery progress, and addressing any concerns you may have about your health or treatment.
225 services89 patients
Subsequent nursing facility care with moderate level of medical decision making, per day, if using time, at least 30 minutes 99309
A follow-up nursing facility visit per day is a daily check-in by a healthcare professional. This 25-minute visit typically involves monitoring your health progress, addressing any concerns, and adjusting treatment plans as necessary. It's a vital part of ensuring your ongoing wellbeing.
195 services81 patients
Initial nursing facility care with moderate level of medical decision making, per day, if using time, at least 35 minutes 99305
An initial nursing facility visit per day is a service where a healthcare professional spends about 35 minutes assessing a patient's health status. This includes reviewing medical history, conducting a physical exam, and developing a care plan based on the patient's needs.
44 services40 patients
Subsequent nursing facility care with straightforward level of medical decision making, per day, if using time, 20 minutes or more 99308
A follow-up nursing facility visit per day is a daily check-up service provided by healthcare professionals. It lasts around 15 minutes and involves assessing your health status, monitoring your recovery progress, and addressing any concerns you may have about your health or treatment.
41 services27 patients
Subsequent nursing facility care with high level of medical decision making, per day, if using time, at least 45 minutes 99310
A follow-up nursing facility visit is a routine check-up that typically lasts about 35 minutes. During this visit, your health status is evaluated, any changes in your condition are noted, and necessary adjustments to your care plan are made. It's an essential part of maintaining your health.
41 services30 patients
Subsequent nursing facility care with moderate level of medical decision making, per day, if using time, at least 30 minutes 99309
A follow-up nursing facility visit per day is a daily check-in by a healthcare professional. This 25-minute visit typically involves monitoring your health progress, addressing any concerns, and adjusting treatment plans as necessary. It's a vital part of ensuring your ongoing wellbeing.
38 services25 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 06830 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
$138.84 typical visit price
range $60.82 – $183.10
Typical copayment $34.71 (range $15.20 – $45.77)
Most-billed visit code 99204
Established Patient
$106.68 typical visit price
range $19.76 – $149.26
Typical copayment $26.67 (range $4.94 – $37.31)
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.

94.24/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored through an Alternative Payment Model
Quality78.26
Promoting Interoperability100
Improvement Activities40

Referred Medical Equipment & Supplies CMS DME claims 2

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

Hospital bed, semi-electric (head and foot adjustment), with any type side rails, with mattress E0260
DME-Hospital Beds · category DB000N
1 supplier13 claims13 services$30.74 avg. paid by Medicare
Standard wheelchair K0001
DME-Wheelchairs · category DD000N
3 suppliers11 claims11 services$10.14 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.

Internal Medicine
75 HOLLY HILL LN
GREENWICH, CT 06830
Internal Medicine
75 HOLLY HILL LN
GREENWICH, CT 06830
Dentist (General Practice)
75 HOLLY HILL LN
GREENWICH, CT 06830
Physical Therapist
75 HOLLY HILL LN
GREENWICH, CT 06830
Neurological Surgery
75 HOLLY HILL LN
GREENWICH, CT 06830
Physician Assistant
75 HOLLY HILL LN
GREENWICH, CT 06830
Nurse Practitioner (Primary Care)
75 HOLLY HILL LN
GREENWICH, CT 06830
Social Worker (Clinical)
75 HOLLY HILL LN
GREENWICH, CT 06830

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 Allison Ostroff's NPI number?

The NPI number for Allison Ostroff is 1720262397. It was assigned to this individual provider in the NPPES registry on December 19, 2007. The provider is also known as Dr. Allison Brook Margold M.D..

Where is Allison Ostroff located?

Allison Ostroff practices at 75 Holly Hill Ln, Greenwich, CT 06830. The listed phone number is (203) 869-6960.

What is Allison Ostroff's specialty?

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

Is Allison Ostroff enrolled in Medicare?

Yes. Allison Ostroff 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 Allison Ostroff was last updated on January 10, 2017. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 9 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.