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FREDERICK L. RUBERG MD
NPI 1437143070
Internal Medicine - Cardiovascular Disease in Boston, MA

Active since September 09, 2005PECOS EnrolledAccepts Medicare Assignment
732 HARRISON AVE, PRESTON 3RD FLOOR, BOSTON, MA 02118(617) 638-7490(617) 414-8742 Get Directions Write a Review

NPPES record last updated: April 21, 2026. Verified against the NPPES registry weekly; last sync: August 16, 2026.

Record update history: Apr 21, 2026, Dec 16, 2020, Feb 26, 2020 (3 updates tracked since 2020).

About Frederick L. Ruberg Md NPPES

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

FREDERICK L. RUBERG MD (NPI 1437143070) is an individual cardiovascular disease provider in Boston, Massachusetts, licensed in Massachusetts (203028) and active in the NPI registry since September 2005. He is enrolled in Medicare PECOS, is affiliated with Boston Medical Center, and is a graduate of Perelman School Of Med At The University Of Pennsylvania (1998).

NPPES Registry Identity

NPI1437143070
Entity TypeIndividualMale
Primary Taxonomy207RC0000X
Provider Legal NameFREDERICK L. RUBERGCredential: MD
Location Address732 HARRISON AVE, PRESTON 3RD FLOORBoston, MA 02118-2309
Mailing Address960 Massachusetts Avenue, Fl 2Boston, MA 02118
Phone(617) 638-7490
Fax(617) 414-8742
Sole ProprietorNo
Medical School CMSPerelman School Of Med At The University Of PennsylvaniaGraduated 1998
Enumeration DateSeptember 9, 2005
Last NPPES UpdateApril 21, 20263 updates tracked since enumeration
NPPES CertifiedApril 21, 2026
✔ NPI 1437143070 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyInternal Medicine · Cardiovascular DiseaseAllopathic & Osteopathic Physicians
Taxonomy Code207RC0000X
License✔ Licensed in MA · 203028
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.
Also ListedInternal MedicineTaxonomy 207R00000X · License 203028 (MA)
732 HARRISON AVE, Boston, MA 02118
Open in Google Maps ↗

Other Identifiers 3

Medicaid1134166945ME
Medicaid110005543AMA
Medicaid3109625NH

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Anthem Blue Cross and Blue Shield.Insurance ›

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

Frederick L. Ruberg 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 ID840264370
PECOS Enrollment IDI20040821000015
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 5

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.
65 services62 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.
43 services43 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.
26 services23 patients
Heart muscle strain imaging 93356
Heart muscle strain imaging is a non-invasive test that uses sound waves to create pictures of your heart. It helps doctors evaluate how well your heart muscle is working and detect any damage or disease. This can aid in diagnosing heart conditions and guiding treatment plans.
14 services14 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.
11 services11 patients

Hospital Affiliations CMS Care Compare

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

Boston Medical Center

Acute Care Hospitals · Boston, MA
3/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number220031
Location1 Boston Medical Center PlaceBoston, MA 02118 · Suffolk County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 02118 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
$78.84 typical visit price
range $21.07 – $155.29
Typical copayment $19.71 (range $5.26 – $38.82)
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.

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.

ARUNA AMBAT SARASWAT MD
Internal Medicine (Endocrinology, Diabetes & Metabolism)
732 HARRISON AVE
BOSTON, MA 02118
Suffolk County (617) 638-7470
RICHARD A COHEN M.D.
Internal Medicine (Cardiovascular Disease)
732 HARRISON AVE, 4TH FLOOR
BOSTON, MA 02118
Suffolk County (617) 638-7490
MR. JEREMY KOBULNIK M.D.
Internal Medicine (Cardiovascular Disease)
732 HARRISON AVE, PRESTON, 3RD FLOOR
BOSTON, MA 02118
Suffolk County (617) 638-7490
KENYA DANAE PALMER NP
Nurse Practitioner (Family)
732 HARRISON AVE, PRESTON, 2ND FLOOR
BOSTON, MA 02118
Suffolk County (617) 638-7470
ZORAN S. NEDELJKOVIC M.D.
Internal Medicine (Interventional Cardiology)
732 HARRISON AVE, PRESTON 3RD FLOOR
BOSTON, MA 02118
Suffolk County (617) 638-7490
VICTORIA YAROSLAVIVNA VIVTCHARENKO MD
Student in an Organized Health Care Education/Training Program
732 HARRISON AVE
BOSTON, MA 02118
Suffolk County (563) 794-0950
NOYAN A GOKCE M.D.
Internal Medicine (Cardiovascular Disease)
732 HARRISON AVE, PRESTON BUILDING FL 3
BOSTON, MA 02118
Suffolk County (617) 638-7490
MICHAEL D. KLEIN M.D.
Internal Medicine (Cardiovascular Disease)
732 HARRISON AVE, 3RD FLOOR
BOSTON, MA 02118
Suffolk County (617) 638-7490

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 Frederick Ruberg's NPI number?

The NPI number for Frederick Ruberg is 1437143070. It was assigned to this individual provider in the NPPES registry on September 9, 2005.

Where is Frederick Ruberg located?

Frederick Ruberg practices at 732 Harrison Ave Preston 3rd Floor, Boston, MA 02118. The listed phone number is (617) 638-7490.

What is Frederick Ruberg's specialty?

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

Is Frederick Ruberg enrolled in Medicare?

Yes. Frederick Ruberg 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.

What insurance does Frederick Ruberg accept?

Health plans from Anthem Blue Cross and Blue Shield list Frederick Ruberg 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 Frederick Ruberg affiliated with any hospitals?

According to CMS data, Frederick Ruberg is affiliated with Boston Medical Center.

When was this NPI record last updated?

The NPPES record for Frederick Ruberg was last updated on April 21, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 months 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.