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PETER ADAM OSTROW MD
NPI 1841300845
Internal Medicine - Pulmonary Disease in Boston, MA

Active since August 30, 2006PECOS EnrolledAccepts Medicare Assignment
TUFTS MEDICAL CENTER, 800 WASHINGTON STREET, BOSTON, MA 02111(781) 455-6200(781) 449-1096 Get Directions Write a Review

NPPES record last updated: April 24, 2024. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Apr 24, 2024, Jan 5, 2024 (2 updates tracked since 2024).

About Peter Adam Ostrow Md NPPES

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

PETER ADAM OSTROW MD (NPI 1841300845) is an individual pulmonary disease provider in Boston, Massachusetts, licensed in Massachusetts (49412) and active in the NPI registry since August 2006. He is enrolled in Medicare PECOS, is affiliated with South Shore Hospital, and maintains a secondary practice location in Norwell.

NPPES Registry Identity

NPI1841300845
Entity TypeIndividualMale
Primary Taxonomy207RP1001X
Provider Legal NamePETER ADAM OSTROWCredential: MD
Location AddressTUFTS MEDICAL CENTER, 800 WASHINGTON STREETBoston, MA 02111-0211
Mailing Address15 Park Ave Unit 303Hull, MA 02045-4105 · (617) 763-2800
Phone(781) 455-6200
Fax(781) 449-1096
Sole ProprietorYes
Medical School CMSOtherGraduated 1977
Enumeration DateAugust 30, 2006
Last NPPES UpdateApril 24, 20242 updates tracked since enumeration
NPPES CertifiedApril 24, 2024
✔ NPI 1841300845 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal Medicine · Pulmonary DiseaseAllopathic & Osteopathic Physicians
Taxonomy Code207RP1001X
License✔ Licensed in MA · 49412
Definition
An internist who treats diseases of the lungs and airways. The pulmonologist diagnoses and treats cancer, pneumonia, pleurisy, asthma, occupational and environmental diseases, bronchitis, sleep disorders, emphysema and other complex disorders of the lungs.
TUFTS MEDICAL CENTER, Boston, MA 02111
Open in Google Maps ↗

Secondary Practice Location 1

Location 1143 Longwater DrNorwell, MA 02061-1683 · Phone (781) 878-5200

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Taro Health.Insurance ›

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

Peter Adam Ostrow Md 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 ID143276907
PECOS Enrollment IDI20050324000291
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

2

Medicare enrollment records show Peter Ostrow reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Medical Care Of Boston Management Corporation
10 mi
Internal Medicine
464 HILLSIDE AVE, SUITE 304
Needham, MA 02494
  • Reassigned Medicare billing, Massachusetts enrollment
  • 356 clinicians in this Medicare group
NPI 1437196359 (617) 754-0730
South Shore Medical Center, Inc.
16 mi
Internal Medicine
143 LONGWATER DRIVE
Norwell, MA 02061
  • Reassigned Medicare billing, Massachusetts enrollment
  • 346 clinicians in this Medicare group
NPI 1669411856 (781) 792-4191

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 6

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.

New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more 99204
This is a first-time office or outpatient visit lasting between 45-59 minutes. The healthcare provider evaluates your health, discusses your medical history, and may suggest further tests or treatments. It's an opportunity to ask questions and understand your health better.
45 services45 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.
37 services29 patients
Sleep study in sleep lab with continuous airway pressure (6 years or older) 95811
A sleep study in a sleep lab with continuous airway pressure is a test for individuals aged 6 and above. It monitors your sleep patterns to check for disorders like sleep apnea. Continuous airway pressure helps keep your airways open while you sleep, improving your breathing.
32 services31 patients
Sleep study including heart rate, breathing, airflow, and effort 95806
A sleep study monitors your heart rate, breathing patterns, airflow, and physical effort while you sleep. It helps identify sleep disorders by tracking your sleep stages and cycles. This data aids doctors in diagnosing and treating sleep-related issues.
30 services30 patients
Sleep study in sleep lab (6 years or older) 95810
A sleep study in a sleep lab is a non-invasive overnight test that monitors your body while you sleep. It helps doctors understand your sleep patterns and identify any issues like sleep apnea or insomnia. You'll be connected to equipment that tracks your heart rate, brain waves, breathing, and movements.
17 services17 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.
17 services17 patients

Hospital Affiliations CMS Care Compare

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

South Shore Hospital

Acute Care Hospitals · South Weymouth, MA
4/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number220100
Location55 Fogg RoadSouth Weymouth, MA 02190 · Norfolk County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 02111 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
$144.11 typical visit price
range $63.72 – $189.86
Typical copayment $36.02 (range $15.93 – $47.46)
Most-billed visit code 99204
Established Patient
$111.18 typical visit price
range $21.07 – $155.29
Typical copayment $27.79 (range $5.26 – $38.82)
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.

Referred Medical Equipment & Supplies CMS DME claims 18

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

Tubing with integrated heating element for use with positive airway pressure device A4604
DME-Other DME · category DE001N
11 suppliers354 claims354 services$34.68 avg. paid by Medicare
Full face mask used with positive airway pressure device, each A7030
DME-Other DME · category DE001N
7 suppliers201 claims201 services$78.06 avg. paid by Medicare
Face mask interface, replacement for full face mask, each A7031
DME-Other DME · category DE001N
5 suppliers180 claims489 services$28.87 avg. paid by Medicare
Cushion for use on nasal mask interface, replacement only, each A7032
DME-Other DME · category DE001N
4 suppliers96 claims534 services$16.39 avg. paid by Medicare
Pillow for use on nasal cannula type interface, replacement only, pair A7033
DME-Other DME · category DE001N
3 suppliers69 claims394 services$13.23 avg. paid by Medicare
Nasal interface (mask or cannula type) used with positive airway pressure device, with or without head strap A7034
DME-Other DME · category DE001N
10 suppliers197 claims197 services$46.03 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 4

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

MIRIAM R HAVERKAMP M.D.
Internal Medicine
TUFTS MEDICAL CENTER, 800 WASHINGTON STREET
BOSTON, MA 02111
Suffolk County (617) 636-7001
ISHA TIERNAN M.D.
Dermatology
TUFTS MEDICAL CENTER, 800 WASHINGTON STREET
BOSTON, MA 02111
Suffolk County (617) 636-5000
DR. GHULAM MUSTAFA QURASHI
Student in an Organized Health Care Education/Training Program
TUFTS MEDICAL CENTER, 800 WASHINGTON ST
BOSTON, MA 02111
Suffolk County (617) 636-5000
DR. TARA BYLSMA
Internal Medicine (Infectious Disease)
TUFTS MEDICAL CENTER, 800 WASHINGTON ST # 238
BOSTON, MA 02111
Suffolk County (617) 636-5000

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 Peter Ostrow's NPI number?

The NPI number for Peter Ostrow is 1841300845. It was assigned to this individual provider in the NPPES registry on August 30, 2006.

Where is Peter Ostrow located?

Peter Ostrow practices at Tufts Medical Center 800 Washington Street, Boston, MA 02111. The listed phone number is (781) 455-6200.

What is Peter Ostrow's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Pulmonary Disease, with taxonomy code 207RP1001X.

Is Peter Ostrow enrolled in Medicare?

Yes. Peter Ostrow 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 Peter Ostrow's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Peter Ostrow reassigns Medicare benefits to 2 organizations: Medical Care Of Boston Management Corporation (Needham, MA) and South Shore Medical Center, Inc. (Norwell, MA). 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 Peter Ostrow's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Peter Ostrow accept?

Health plans from Taro Health list Peter Ostrow as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

Is Peter Ostrow affiliated with any hospitals?

According to CMS data, Peter Ostrow is affiliated with South Shore Hospital.

When was this NPI record last updated?

The NPPES record for Peter Ostrow was last updated on April 24, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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.