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MARGARET A. RUSSO M.D.
NPI 1558338533
Internal Medicine in Northampton, MA

Active since March 08, 2006PECOS EnrolledAccepts Medicare Assignment
49 COLUMBUS AVE, NORTHAMPTON, MA 01060(413) 320-1139 Get Directions Write a Review

NPPES record last updated: January 27, 2016. Verified against the NPPES registry weekly; last sync: October 18, 2026.

About Margaret A. Russo M.d. NPPES

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

MARGARET A. RUSSO M.D. (NPI 1558338533) is an individual internal medicine provider in Northampton, Massachusetts, licensed in Massachusetts (79902) and active in the NPI registry since March 2006. She is enrolled in Medicare PECOS, is affiliated with Cooley Dickinson Hospital Inc,the, and is a graduate of Albany Medical College Of Union University (1991).

NPPES Registry Identity

NPI1558338533
Entity TypeIndividualFemale
Primary Taxonomy207R00000X
Provider Legal NameMARGARET A. RUSSOCredential: M.D.
Location Address49 COLUMBUS AVENorthampton, MA 01060-4252
Mailing Address49 Columbus AveNorthampton, MA 01060-4252 · (413) 320-1139
Phone(413) 320-1139
Sole ProprietorYes
Medical School CMSAlbany Medical College Of Union UniversityGraduated 1991
Enumeration DateMarch 8, 2006
Last NPPES UpdateJanuary 27, 2016
✔ NPI 1558338533 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
License✔ Licensed in MA · 79902
Definition
A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.
49 COLUMBUS AVE, Northampton, MA 01060
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Other Identifiers 5

OtherJ27504MA · Blue Cross And Blue Shiel
Medicare PINMX8077MA
Other469026ME · Tufts
Medicaid110037879AMA
Medicare UPINF94997MA

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

Margaret A. Russo M.d. 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 ID143203521
PECOS Enrollment IDI20040701000900
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 Margaret Russo reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Mass General Brigham Medical Group Western Massachusetts Inc
1.7 mi
Family Medicine
30 LOCUST ST
Northampton, MA 01060
  • Reassigned Medicare billing, Massachusetts enrollment
  • 539 clinicians in this Medicare group
NPI 1295787919 (413) 582-2898
Berkshire Medical Center, Inc
33 mi
General Acute Care Hospital
725 NORTH ST
Pittsfield, MA 01201
  • Reassigned Medicare billing, Massachusetts enrollment
  • 394 clinicians in this Medicare group
NPI 1295765261 (413) 447-2000

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.

Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 99232
Follow-up hospital inpatient care involves daily check-ups while you're admitted in the hospital. Typically, a healthcare provider spends about 25 minutes each day reviewing your condition, adjusting treatment if needed, and answering any questions you might have.
117 services77 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.
99 services65 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.
67 services66 patients
Subsequent hospital care with straightforward or low level of medical decision making, per day, if using time, at least 25 minutes 99231
Follow-up hospital inpatient care is a daily service where a healthcare professional checks on your health progress during your hospital stay. Each session typically lasts 15 minutes, involving updates on your condition and adjustments to your treatment plan, if necessary.
36 services15 patients
Hospital discharge day management, 30 minutes or less 99238
Hospital discharge day management of 30 minutes or less includes finalizing your treatment, discussing your progress, and planning after-care at home. It ensures you're ready to leave the hospital and continue recovery safely.
19 services19 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.
16 services16 patients

Hospital Affiliations CMS Care Compare 3

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

Cooley Dickinson Hospital Inc,the

Acute Care Hospitals · Northampton, MA
3/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number220015
Location30 Locust StreetNorthampton, MA 01060 · Hampshire County
Emergency services Birthing friendly

Massachusetts General Hospital

Acute Care Hospitals · Boston, MA
5/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number220071
Location55 Fruit StreetBoston, MA 02114 · Suffolk County
Emergency services Birthing friendly

Brigham And Women's Hospital

Acute Care Hospitals · Boston, MA
5/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number220110
Location75 Francis StreetBoston, MA 02115 · Suffolk County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 01060 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
$134.47 typical visit price
range $58.86 – $177.36
Typical copayment $33.61 (range $14.71 – $44.34)
Most-billed visit code 99204
Established Patient
$103.48 typical visit price
range $19.11 – $144.84
Typical copayment $25.87 (range $4.77 – $36.21)
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.

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 Margaret Russo's NPI number?

The NPI number for Margaret Russo is 1558338533. It was assigned to this individual provider in the NPPES registry on March 8, 2006.

Where is Margaret Russo located?

Margaret Russo practices at 49 Columbus Ave, Northampton, MA 01060. The listed phone number is (413) 320-1139.

What is Margaret Russo's specialty?

The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.

Is Margaret Russo enrolled in Medicare?

Yes. Margaret Russo 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 Margaret Russo's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Margaret Russo reassigns Medicare benefits to 2 organizations: Mass General Brigham Medical Group Western Massachusetts Inc (Northampton, MA) and Berkshire Medical Center, Inc (Pittsfield, 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 Margaret Russo's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Margaret Russo accept?

Health plans from Taro Health list Margaret Russo 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 Margaret Russo affiliated with any hospitals?

According to CMS data, Margaret Russo is affiliated with Cooley Dickinson Hospital Inc,the, Massachusetts General Hospital and Brigham And Women's Hospital.

When was this NPI record last updated?

The NPPES record for Margaret Russo was last updated on January 27, 2016. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 10 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.