DR. MICHAEL JAMES ANDERSEN JR. MD
NPI 1225608037
Hospitalist in Boston, MA

Q: What is Michael Andersen's NPI number?

The NPI number for Michael Andersen is 1225608037. It was assigned to this individual provider in the NPPES registry on June 25, 2021.

Q: What is Michael Andersen's specialty?

The primary specialty registered for this NPI is Hospitalist with taxonomy code 208M00000X.

Q: When was this NPI record last updated?

The NPPES record for Michael Andersen was last updated on July 25, 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.

Active since June 25, 2021PECOS Enrolled

330 BROOKLINE AVE, BOSTON, MA 02215(617) 667-7000 Get Directions Write a Review

NPPES record last updated: July 25, 2024. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Jul 25, 2024, Jun 25, 2021 (2 updates tracked since 2021).

On this page

About Dr. Michael James Andersen Jr. Md NPPES

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

DR. MICHAEL JAMES ANDERSEN JR. MD (NPI 1225608037) is an individual hospitalist provider in Boston, Massachusetts, licensed in Massachusetts (1017814) and active in the NPI registry since June 2021. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1225608037

Entity TypeIndividualMale

Primary Taxonomy208M00000X

Provider Legal NameDR. MICHAEL JAMES ANDERSEN JR.Credential: MD

Location Address330 BROOKLINE AVEBoston, MA 02215-5491

Mailing Address330 Brookline AveBoston, MA 02215-5491 · (617) 667-7000

Phone(617) 667-7000

Sole ProprietorNo

Enumeration DateJune 25, 2021

Last NPPES UpdateJuly 25, 20242 updates tracked since enumeration

NPPES CertifiedJuly 25, 2024

✔ NPI 1225608037 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyHospitalistAllopathic & Osteopathic Physicians

Taxonomy Code208M00000X

License✔ Licensed in MA · 1017814

Definition

Hospitalists are physicians whose primary professional focus is the general medical care of hospitalized patients. Their activities include patient care, teaching, research, and leadership related to Hospital Medicine. The term 'hospitalist' refers to physicians whose practice emphasizes providing care for hospitalized patients.

Also ListedStudent in an Organized Health Care Education/Training ProgramTaxonomy 390200000X · License 289227 (MA)

330 BROOKLINE AVE, Boston, MA 02215

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Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Dr. Michael James Andersen Jr. Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

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 Reassignment

Medicare enrollment records show Michael Andersen reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Harvard Medical Faculty Phys At Beth Israel Deaconess Med Ctr Inc

Same address

Internal Medicine

330 BROOKLINE AVE
Boston, MA 02215

Reassigned Medicare billing, Massachusetts enrollment
2,579 clinicians in this Medicare group

NPI 1194765438 (617) 754-9600

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 3

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 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.

76 services22 patients

Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 99223

Initial hospital inpatient care per day, typically 70 minutes, refers to the daily medical service provided to patients admitted to the hospital. This includes a comprehensive evaluation, diagnosis, treatment plan, and monitoring of your health condition. It ensures your well-being during your hospital stay.

25 services24 patients

Hospital discharge day management, more than 30 minutes 99239

Hospital discharge day management over 30 minutes involves a detailed process to ensure a smooth transition from hospital to home. It includes final examinations, discussion of your hospital stay, post-discharge instructions, and coordinating follow-up care.

12 services12 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 02215 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.

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.

BETH ISRAEL DEACONESS MEDICAL CENTER

Chronic Disease Hospital (Children)

330 BROOKLINE AVE
BOSTON, MA 02215

Suffolk County (617) 677-4042

DR. BRIAN DANIEL HOBBS MD, MMSC

Internal Medicine

330 BROOKLINE AVE, PULMONARY AND CRITICAL CARE DEPARTMENT
BOSTON, MA 02215

Suffolk County (617) 667-5864

ERICA DOMMASCH MD

Dermatology

330 BROOKLINE AVE, SHAPIRO 2
BOSTON, MA 02215

Suffolk County (617) 667-3753

VAHID KIARAD M.D

Anesthesiology

330 BROOKLINE AVE
BOSTON, MA 02215

Suffolk County (617) 667-7000

DR. MICHAEL R GOLDSTEIN PHD

Psychologist (Clinical)

330 BROOKLINE AVE
BOSTON, MA 02215

Suffolk County (617) 356-7246

SARA MURDOCK CAHILL MD

Hospitalist

330 BROOKLINE AVE
BOSTON, MA 02215

Suffolk County (617) 667-7000

DR. DEVON ABT HARRIS MD

Obstetrics & Gynecology (Gynecologic Oncology)

330 BROOKLINE AVE, KIRSTEIN 3
BOSTON, MA 02215

Suffolk County (617) 667-3736

DR. ELIZABETH MAIER BALOUGH MD, PHD

Student in an Organized Health Care Education/Training Program

330 BROOKLINE AVE
BOSTON, MA 02215

Suffolk County (617) 667-7000

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 Michael Andersen's NPI number?

The NPI number for Michael Andersen is 1225608037. It was assigned to this individual provider in the NPPES registry on June 25, 2021.

Where is Michael Andersen located?

Michael Andersen practices at 330 Brookline Ave, Boston, MA 02215. The listed phone number is (617) 667-7000.

What is Michael Andersen's specialty?

The primary specialty registered for this NPI is Hospitalist with taxonomy code 208M00000X.

Is Michael Andersen enrolled in Medicare?

Yes. Michael Andersen is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Michael Andersen's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Michael Andersen reassigns Medicare benefits to Harvard Medical Faculty Phys At Beth Israel Deaconess Med Ctr Inc (Boston, MA). The 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 Michael Andersen's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

When was this NPI record last updated?

The NPPES record for Michael Andersen was last updated on July 25, 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.