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Internal Medicine

James A. Nolan Jr., MD

Works at hospitals in Cambridge, MA · Massachusetts

Summary

Dr. James A. Nolan Jr., MD is an internal medicine doctor at 2067 Massachusetts Ave, Cambridge, MA 02140. Phone: (617) 575-5570. Accepts Medicare assignment. In 2024, James A. Nolan Jr. had 110 Original Medicare patients and 317 services. NPI 1730242280. Source: CMS National Downloadable File, updated October 2, 2026; CMS Facility Affiliation Data, updated October 2, 2026; CMS Medicare Physician & Other Practitioners, data year 2024.

  • Specialty: Internal medicine doctor (Medicare lists Internal Medicine)
  • Address: 2067 Massachusetts Ave, Cambridge, MA 02140 · Directions (1 more location)
  • Phone: (617) 575‑5570
  • Medicare: Accepts Medicare assignment
  • Hospital: Cambridge Health Alliance
  • Group practice: Cambridge Public Health Commission
  • Medical school: Harvard Medical School · graduated 1973 (53 years since medical school)
  • Gender (as listed): Male
  • Telehealth: offered

From official Medicare data

This page shows what Medicare's official clinician data says about James A. Nolan Jr., joined by NPI number (data updated October 2, 2026). It is not a recommendation or a rating. Call the office or hospital to confirm before you go.

In a medical emergency, call 911.

Quick answers

Does James A. Nolan Jr. accept Medicare assignment?
Yes. Medicare's clinician data says James A. Nolan Jr. accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of October 2, 2026. Ask the office to confirm before your visit.
How many Medicare patients does James A. Nolan Jr. see?
In 2024, CMS data shows 110 Original Medicare patients and 317 services for James A. Nolan Jr.. This counts Original Medicare only and measures volume, not quality.
What is James A. Nolan Jr.'s NPI number?
1730242280. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Medicare activity in 2024

Official CMS public-use data for James A. Nolan Jr., data year 2024 (released May 21, 2026). It covers Original Medicare (fee-for-service) patients only, not Medicare Advantage or other insurance. It shows volume, not quality or outcomes. CMS hides any count of 10 or fewer patients.

Original Medicare patients110
Services billed to Medicare317
Different services or procedures7
Participating Medicare providerYes
Average age of these patients72

Most frequent services

  1. Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)209 services
  2. Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)53 services

Chronic conditions among these patients

Share of this clinician’s Original Medicare patients with each condition, as published by CMS (it describes the patients, not the care given).

  • High blood pressure75%
  • High cholesterol57%
  • Arthritis37%
  • Depression37%
  • Diabetes33%
  • Chronic kidney disease29%

Hospitals where James A. Nolan Jr. works

Medicare's Facility Affiliation Data lists James A. Nolan Jr. at these hospitals (updated October 2, 2026). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians. Star rating and emergency services: Hospital General Information (CMS), data updated October 26, 2026.

Practice locations

Addresses where James A. Nolan Jr. is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists James A. Nolan Jr. as a member of this group (CMS data updated October 2, 2026).

  • Cambridge Public Health Commission656 clinicians in the group

Specialties

Find other Internal Medicine doctors in Massachusetts →

Other internal medicine doctors in Cambridge

Clinicians with the same Medicare primary specialty in Cambridge, MA — not a recommendation.

All internal medicine doctors in Cambridge →

Other clinicians in Cambridge Public Health Commission

Medicare enrollment lists these clinicians in the same group practice — not a recommendation.

Clinician information

CredentialMD
Medical schoolHarvard Medical School
Graduation year1973 (53 years since medical school)
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
TelehealthOffers telehealth services
NPI (National Provider Identifier)1730242280
CorrectionsReport an error or suggest an update →

Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.

Sources

  1. Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated October 2, 2026, retrieved October 29, 2026
  2. Hospital General Information — CMS, data updated October 26, 2026, retrieved November 13, 2026
  3. National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
  4. Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
  5. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  6. Medicare Care Compare — official Medicare tool to look up clinicians