DR. MARK STEPHAN OSTREM MD
NPI 1811985633
Internal Medicine - Geriatric Medicine in Quincy, MA

Active since October 06, 2005PECOS EnrolledAccepts Medicare Assignment
54 MILLER ST, SUITE 300, QUINCY, MA 02169(617) 481-3300(617) 481-3305 Get Directions Write a Review

NPPES record last updated: January 15, 2018. Verified against the NPPES registry weekly; last sync: August 02, 2026.

About Dr. Mark Stephan Ostrem Md NPPES

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

DR. MARK STEPHAN OSTREM MD (NPI 1811985633) is an individual geriatric medicine provider in Quincy, Massachusetts, licensed in Massachusetts (44501) and active in the NPI registry since October 2005. He is enrolled in Medicare PECOS, is affiliated with South Shore Hospital, and is a graduate of University Of Minnesota Medical School (1976).

NPPES Registry Identity

NPI1811985633
Entity TypeIndividualMale
Primary Taxonomy207RG0300X
Provider Legal NameDR. MARK STEPHAN OSTREMCredential: MD
Location Address54 MILLER ST, SUITE 300Quincy, MA 02169-4725
Mailing Address362 N Bedford StEast Bridgewater, MA 02333-1148 · (617) 481-3300 · Fax (617) 481-3305
Fax(617) 481-3305
Sole ProprietorNo
Medical School CMSUniversity Of Minnesota Medical SchoolGraduated 1976
Enumeration DateOctober 6, 2005
Last NPPES UpdateJanuary 15, 2018
NPI 1811985633 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyInternal Medicine · Geriatric MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207RG0300X
License Licensed in MA · 44501
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.
54 MILLER ST, Quincy, MA 02169

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. Mark Stephan Ostrem 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 ID6305803958
PECOS Enrollment IDI20041215000212
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 13

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 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.
799 services134 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.
583 services162 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.
185 services93 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.
152 services69 patients
Initial nursing facility care with high level of medical decision making, per day, if using time, 50 minutes or more 99306
An initial nursing facility visit is your first meeting with your healthcare team at a nursing facility. Lasting typically 45 minutes, this appointment involves a comprehensive health assessment and the creation of your personalized care plan. It's a crucial step to ensure your health and well-being.
73 services66 patients
Advance care planning, first 30 minutes 99497
Advance care planning is a process where you discuss your healthcare preferences with your doctor. This conversation, lasting up to 30 minutes, helps ensure your wishes are respected if you're unable to communicate them in the future. It's about your care, your way.
40 services33 patients

Hospital Affiliations CMS Care Compare 3

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

Beth Israel Deaconess Hospital - Milton

Acute Care Hospitals · Milton, MA
4/5 CMS rating
OwnershipGovernment - Federal
CMS Certification Number220108
Location199 Reedsdale RoadMilton, MA 02186 · Norfolk County
Emergency services

Faulkner Hospital-Brigham And Women's

Acute Care Hospitals · Boston, MA
5/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number220119
Location1153 Centre StreetBoston, MA 02130 · Suffolk County
Emergency services

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 02169 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
$189.86 typical visit price
range $63.72 – $189.86
Typical copayment $47.46 (range $15.93 – $47.46)
Most-billed visit code 99205
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.

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.

Reported Quality Measures

Breast Cancer Screening
Percentage of women 50-74 years of age who had a mammogram to screen for breast cancer
71%121 patients3/55-star benchmark: 96%
Colorectal Cancer Screening
Percentage of adults 50-75 years of age who had appropriate screening for colorectal cancer
64%348 patients3/55-star benchmark: 99%
Documentation of Current Medications in the Medical Record
Percentage of visits for patients aged 18 years and older for which the eligible professional or eligible clinician attests to documenting a list of current medications using all immediate resources available on the date of the encounter.
100%1,670 patients5/55-star benchmark: 100%
e-Prescribing
At least one permissible prescription written by the MIPS eligible clinician is queried for a drug formulary and transmitted electronically using certified EHR technology.
81%1,229 patients3/55-star benchmark: 100%
Health Information Exchange
The MIPS eligible clinician that transitions or refers their patient to another setting of care or health care clinician (1) uses CEHRT to create a summary of care record; and (2) electronically transmits such summary to a receiving health care clinician for…
5%177 patients1/55-star benchmark: 96%
Medication Reconciliation
The MIPS eligible clinician performs medication reconciliation for at least one transition of care in which the patient is transitioned into the care of the MIPS eligible clinician.
82%274 patients3/55-star benchmark: 100%
Patient-Specific Education
The MIPS eligible clinician must use clinically relevant information from CEHRT to identify patient-specific educational resources and provide access to those materials to at least one unique patient seen by the MIPS eligible clinician.
55%346 patients3/55-star benchmark: 99%
Pneumococcal Vaccination Status for Older Adults
Percentage of patients 65 years of age and older who have ever received a pneumococcal vaccine
85%325 patients4/55-star benchmark: 95%
Preventive Care and Screening: Body Mass Index (BMI) Screening and Follow-Up Plan
Percentage of patients aged 18 years and older with a BMI documented during the current encounter or during the previous twelve months AND with a BMI outside of normal parameters, a follow-up plan is documented during the encounter or during the previous…
26%614 patients2/55-star benchmark: 100%
Preventive Care and Screening: Screening for Depression and Follow-Up Plan
Percentage of patients aged 12 years and older screened for depression on the date of the encounter using an age appropriate standardized depression screening tool AND if positive, a follow-up plan is documented on the date of the positive screen
45%577 patients2/55-star benchmark: 100%
Provide Patient Access
At least one patient seen by the MIPS eligible clinician during the performance period is provided timely access to view online, download, and transmit to a third party their health information subject to the MIPS eligible clinician's discretion to withhold…
100%346 patients5/55-star benchmark: 100%
Secure Messaging
For at least one unique patient seen by the MIPS eligible clinician during the performance period, a secure message was sent using the electronic messaging function of CEHRT to the patient (or the patient-authorized representative), or in response to a secure…
40%346 patients3/55-star benchmark: 59%
Providers report different measures because they deliver different services; reporting more or less information is not a reflection of quality. Star ratings appear only where CMS assigned them.

Referred Medical Equipment & Supplies CMS DME claims 17

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

Blood glucose test or reagent strips for home blood glucose monitor, per 50 strips A4253
DME-Other DME · category DE017N
5 suppliers14 claims28 services$6.95 avg. paid by Medicare
Tape, non-waterproof, per 18 square inches A4450
DME-Medical/Surgical Supplies · category DA000N
1 supplier19 claims2,360 services$0.10 avg. paid by Medicare
Collagen dressing, sterile, size 16 sq. in. or less, each A6021
DME-Medical/Surgical Supplies · category DA023N
1 supplier12 claims301 services$20.01 avg. paid by Medicare
Alginate or other fiber gelling dressing, wound cover, sterile, pad size 16 sq. in. or less, each dressing A6196
DME-Medical/Surgical Supplies · category DA023N
1 supplier61 claims2,172 services$6.83 avg. paid by Medicare
Alginate or other fiber gelling dressing, wound cover, sterile, pad size more than 16 sq. in. but less than or equal to 48 sq. in., each dressing A6197
DME-Medical/Surgical Supplies · category DA023N
2 suppliers11 claims550 services$15.96 avg. paid by Medicare
Foam dressing, wound cover, sterile, pad size 16 sq. in. or less, without adhesive border, each dressing A6209
DME-Medical/Surgical Supplies · category DA023N
1 supplier13 claims207 services$6.34 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.

Psychiatry & Neurology (Neurology)
54 MILLER ST, 4TH FLOOR
QUINCY, MA 02169
Counselor (Mental Health)
54 MILLER ST
QUINCY, MA 02169
Orthopaedic Surgery
54 MILLER ST, 4TH FLOOR
QUINCY, MA 02169
Counselor (Mental Health)
54 MILLER ST
QUINCY, MA 02169
Student in an Organized Health Care Education/Training Program
54 MILLER ST
QUINCY, MA 02169
Nurse Practitioner
54 MILLER ST, SUITE 300
QUINCY, MA 02169
Registered Nurse (Psychiatric/Mental Health, Adult)
54 MILLER ST
QUINCY, MA 02169
Internal Medicine
54 MILLER ST
QUINCY, MA 02169

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 Mark Ostrem's NPI number?

The NPI number for Mark Ostrem is 1811985633. It was assigned to this individual provider in the NPPES registry on October 6, 2005.

Where is Mark Ostrem located?

Mark Ostrem practices at 54 Miller St Suite 300, Quincy, MA 02169. The listed phone number is (617) 481-3300.

What is Mark Ostrem's specialty?

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

Is Mark Ostrem enrolled in Medicare?

Yes. Mark Ostrem 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 Mark Ostrem affiliated with any hospitals?

According to CMS data, Mark Ostrem is affiliated with South Shore Hospital, Beth Israel Deaconess Hospital - Milton and Faulkner Hospital-Brigham And Women's.

When was this NPI record last updated?

The NPPES record for Mark Ostrem was last updated on January 15, 2018. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 8 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.