DR. ANDREW M. BARNSTEIN M.D.
NPI 1316940794
Internal Medicine - Cardiovascular Disease in Baltimore, MD

Q: What is Andrew Barnstein's NPI number?

The NPI number for Andrew Barnstein is 1316940794. It was assigned to this individual provider in the NPPES registry on May 31, 2005.

Q: What is Andrew Barnstein's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Cardiovascular Disease, with taxonomy code 207RC0000X.

Q: When was this NPI record last updated?

The NPPES record for Andrew Barnstein was last updated on November 9, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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.

Active since May 31, 2005PECOS Enrolled

83.58/100

CMS Quality Rating

1838 GREENE TREE RD, STE 535, BALTIMORE, MD 21208(410) 469-4000(410) 469-4074 Get Directions Write a Review

NPPES record last updated: November 9, 2021. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Nov 9, 2021, Jun 29, 2021 (2 updates tracked since 2021).

On this page

About Dr. Andrew M. Barnstein M.d. NPPES

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

DR. ANDREW M. BARNSTEIN M.D. (NPI 1316940794) is an individual cardiovascular disease provider in Baltimore, Maryland, licensed in Maryland (D0046502) and active in the NPI registry since May 2005. He is enrolled in Medicare PECOS, is affiliated with Sinai Hospital Of Baltimore, and is a graduate of Vanderbilt University School Of Medicine (1993).

NPPES Registry Identity

NPI1316940794

Entity TypeIndividualMale

Primary Taxonomy207RC0000X

Provider Legal NameDR. ANDREW M. BARNSTEINCredential: M.D.

Location Address1838 GREENE TREE RD, STE 535Baltimore, MD 21208-7104

Mailing Address1838 Greene Tree Rd, Ste 150Baltimore, MD 21208-6391 · (410) 469-4000 · Fax (410) 469-4074

Phone(410) 469-4000

Fax(410) 469-4074

Sole ProprietorNo

Medical School CMSVanderbilt University School Of MedicineGraduated 1993

Enumeration DateMay 31, 2005

Last NPPES UpdateNovember 9, 20212 updates tracked since enumeration

NPPES CertifiedNovember 9, 2021

✔ NPI 1316940794 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal Medicine · Cardiovascular DiseaseAllopathic & Osteopathic Physicians

Taxonomy Code207RC0000X

License✔ Licensed in MD · D0046502

Definition

An internist who specializes in diseases of the heart and blood vessels and manages complex cardiac conditions such as heart attacks and life-threatening, abnormal heartbeat rhythms.

1838 GREENE TREE RD, Baltimore, MD 21208

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Other Identifiers 1

Medicaid516001400MD

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Dr. Andrew M. Barnstein M.d. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

PECOS PAC ID5496709685

PECOS Enrollment IDI20070925000292

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

Medicare enrollment records show Andrew Barnstein reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Lifebridge Community Physicians Inc

Same address

Cardiovascular Disease

1838 GREENE TREE RD STE 535
Pikesville, MD 21208

Reassigned Medicare billing, Maryland enrollment
317 clinicians in this Medicare group

NPI 1285428615 (410) 469-4937

Sinai Hospital Of Baltimore Inc

1.0 mi

Surgery

21 CROSSROADS DR STE 360
Owings Mills, MD 21117

Reassigned Medicare billing, Maryland enrollment
664 clinicians in this Medicare group

NPI 1891705430 (410) 601-5524

Northwest Hospital Center, Inc.

3.3 mi

Acute Care

5401 OLD COURT RD
Randallstown, MD 21133

Reassigned Medicare billing, Maryland enrollment
194 clinicians in this Medicare group

NPI 1235669599 (410) 701-4434

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 19

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.

Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report 93000

An electrocardiogram (ECG) is a non-invasive test that records your heart's electrical activity. Using 12 leads attached to your body, it captures data to help identify heart conditions. A doctor interprets the results and provides a report.

1,305 services827 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.

1,295 services767 patients

Ultrasound of heart with color-depicted blood flow, rate, direction and valve function 93306

This is a heart ultrasound, also known as an echocardiogram. It uses sound waves to create pictures of your heart, showing how blood flows through it. The color depicts the blood flow's speed and direction. It also checks the heart's valves to ensure they're working properly.

745 services731 patients

Management using the results of remote vital sign monitoring per calendar month, first 20 minutes 99457

This service involves reviewing and managing your health data, which is remotely monitored and collected. Your vital signs like heart rate and blood pressure are tracked regularly throughout the month. The first 20 minutes of this data analysis per month is included in this service.

473 services68 patients

Remote monitoring of physiologic parameters, initial supply of devices with daily recordings or programmed alerts transmission, each 30 days 99454

This service involves using devices to remotely track body functions like heart rate or blood pressure. These devices, provided initially, record data daily or send alerts if readings are abnormal. The service is renewed every 30 days.

378 services61 patients

Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only 93010

A routine electrocardiogram (ECG) with 12 leads is a simple, non-invasive test that records the electrical activity of your heart. It helps in identifying heart conditions by detecting irregularities in your heart rhythms. The results are interpreted and a report is provided.

265 services246 patients

Ultrasound of heart with color-depicted blood flow, rate, direction and valve function 93306

218 services213 patients

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.

104 services104 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.

102 services68 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.

96 services93 patients

Heart rhythm recording of continous external ekg over 8-15 days 93246

A heart rhythm recording is a non-invasive procedure where a small device, attached externally, monitors your heart's electrical activity for 8-15 days. It helps detect irregular heart rhythms, assess heart rate, and guide treatment decisions. It's safe, painless, and can be done during normal daily activities.

46 services46 patients

Heart rhythm review, and interpretation of continous external ekg over more than 48 hours up to 7 days 93244

A heart rhythm review involves monitoring your heart's electrical activity for more than 48 hours up to 7 days. Using a device called an external EKG, doctors can track your heartbeats to detect irregularities and help diagnose heart conditions.

42 services42 patients

Heart rhythm review and interpretation of continous external ekg over 8-15 days 93248

This service involves wearing a device for 8-15 days that continuously records your heart's electrical activity. It helps in identifying irregular heart rhythms. The recorded data is then reviewed and interpreted by a healthcare professional for any abnormalities.

32 services32 patients

Heart rhythm recording continous external ekg over more than 48 hours up to 7 days 93242

This procedure involves wearing a device, an external EKG, for up to 7 days to continuously monitor your heart rhythm. It helps detect irregularities that may not occur during a standard EKG. The device is non-invasive and safe.

28 services28 patients

Exercise or drug-induced heart stress test with electrocardiogram (ecg) with supervision and review by physician 93015

An exercise or drug-induced heart stress test with ECG is a procedure performed by a doctor to assess how your heart responds to exertion. It involves monitoring your heart's electrical activity while you exercise or after medication is given to mimic exercise effects.

25 services25 patients

Ultrasound of heart, follow-up 93308

A follow-up ultrasound of the heart, also known as an echocardiogram, is a non-invasive test that uses sound waves to create images of your heart. It helps doctors monitor your heart's function and structures after initial assessment or treatment.

25 services25 patients

Remote monitoring of physiologic parameters, initial set-up and patient education on use of equipment 99453

Remote monitoring of physiologic parameters involves using special equipment to track vital signs like heart rate and blood pressure from a distance. The initial set-up includes installing the device and teaching the patient how to use it correctly for accurate readings.

23 services23 patients

Management using the results of remote vital sign monitoring per calendar month, each additional 20 minutes 99458

This service involves analyzing your vital signs, like heart rate and blood pressure, remotely collected over a month. Each additional 20 minutes spent on management refers to extra time spent reviewing, interpreting your data, and planning your care. It's a critical part of ensuring your wellbeing.

21 services12 patients

External shock to heart to regulate heart beat 92960

This procedure, known as cardioversion, uses an external electrical shock to restore your heart's normal rhythm. It's typically performed when irregular heartbeats, or arrhythmias, are causing severe symptoms and aren't responding to medications.

12 services12 patients

Hospital Affiliations CMS Care Compare 2

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

Sinai Hospital Of Baltimore

Acute Care Hospitals · Baltimore, MD

2/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number210012

Location2401 West Belvedere AvenueBaltimore, MD 21215 · Baltimore City County

Emergency services Birthing friendly

Northwest Hospital Center

Acute Care Hospitals · Randallstown, MD

2/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number210040

Location5401 Old Court RoadRandallstown, MD 21133 · Baltimore County

Emergency services

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 21208 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

$139.05 typical visit price

range $60.73 – $183.44

Typical copayment $34.76 (range $15.18 – $45.86)

Most-billed visit code 99204

Established Patient

$75.47 typical visit price

range $19.60 – $149.17

Typical copayment $18.86 (range $4.90 – $37.29)

Most-billed visit code 99213

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.

83.58/100

MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program

Scored as part of a group practice

Quality

75.15

Promoting Interoperability

100

Improvement Activities

Cost

62.64

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.

EDWARD ZIMMERMAN M.D.

Internal Medicine (Gastroenterology)

1838 GREENE TREE RD, STE 400
BALTIMORE, MD 21208

Baltimore County (410) 602-7782

KEN M ZONIES MD LLC

Internal Medicine

1838 GREENE TREE RD, STE 300
PIKESVILLE, MD 21208

Baltimore County (410) 653-0366

DR. NORBERT ZEMANKIEWICZ D.O.

Surgery

1838 GREENE TREE RD, SUITE 285
PIKESVILLE, MD 21208

Baltimore County (410) 602-0777

SHOSHANA COHEN O.D.

Optometrist

1838 GREENE TREE RD, SUITE 225
BALTIMORE, MD 21208

Baltimore County (410) 653-0200

MILAN WISTER M.D.

Internal Medicine

1838 GREENE TREE RD, SUITE 535
PIKESVILLE, MD 21208

Baltimore County (443) 438-4925

OROSZLAN LLC

Internal Medicine

1838 GREENE TREE RD, STE 300
PIKESVILLE, MD 21208

Baltimore County (410) 653-0366

CENTER FOR PAIN MANAGEMENT, LLC

Pain Medicine (Interventional Pain Medicine)

1838 GREENE TREE RD, SUITE 150
PIKESVILLE, MD 21208

Baltimore County (410) 383-7443

LIFEBRIDGE COMMUNITY GASTROENTEROLOGY, LLC

Internal Medicine (Gastroenterology)

1838 GREENE TREE RD, SUITE 400
PIKESVILLE, MD 21208

Baltimore County (410) 602-7782

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 Andrew Barnstein's NPI number?

The NPI number for Andrew Barnstein is 1316940794. It was assigned to this individual provider in the NPPES registry on May 31, 2005.

Where is Andrew Barnstein located?

Andrew Barnstein practices at 1838 Greene Tree Rd Ste 535, Baltimore, MD 21208. The listed phone number is (410) 469-4000.

What is Andrew Barnstein's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Cardiovascular Disease, with taxonomy code 207RC0000X.

Is Andrew Barnstein enrolled in Medicare?

Yes. Andrew Barnstein is registered in the Medicare PECOS enrollment system.

Which organizations bill Medicare for Andrew Barnstein's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Andrew Barnstein reassigns Medicare benefits to 3 organizations: Lifebridge Community Physicians Inc (Pikesville, MD), Sinai Hospital Of Baltimore Inc (Owings Mills, MD) and Northwest Hospital Center, Inc. (Randallstown, MD). 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 Andrew Barnstein's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

Is Andrew Barnstein affiliated with any hospitals?

According to CMS data, Andrew Barnstein is affiliated with Sinai Hospital Of Baltimore and Northwest Hospital Center.

When was this NPI record last updated?

The NPPES record for Andrew Barnstein was last updated on November 9, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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.