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Anesthesiology

Julie M. Tammaro, MD

Works at hospitals in Methuen, MA · Lowell, MA · Massachusetts

Summary

Dr. Julie M. Tammaro, MD is an anesthesiologist at 33 Bartlett St, Suite 203, Lowell, MA 01852. Phone: (978) 689-4601. Accepts Medicare assignment. In 2024, Julie M. Tammaro had 266 Original Medicare patients and 302 services. NPI 1841584810. 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: Anesthesiologist (Medicare lists Anesthesiology)
  • Address: 33 Bartlett St, Suite 203, Lowell, MA 01852 · Directions
  • Phone: (978) 689‑4601
  • Medicare: Accepts Medicare assignment
  • Hospitals: Holy Family Hospital, Lowell General Hospital
  • Group practice: Lowell Anesthesiology Service Inc
  • Medical school: University Of Massachusetts Medical School · graduated 2011 (15 years since medical school)
  • Gender (as listed): Female

From official Medicare data

This page shows what Medicare's official clinician data says about Julie M. Tammaro, 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 Julie M. Tammaro accept Medicare assignment?
Yes. Medicare's clinician data says Julie M. Tammaro 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 Julie M. Tammaro see?
In 2024, CMS data shows 266 Original Medicare patients and 302 services for Julie M. Tammaro. This counts Original Medicare only and measures volume, not quality.
What is Julie M. Tammaro's NPI number?
1841584810. 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 Julie M. Tammaro, 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 patients266
Services billed to Medicare302
Different services or procedures53
Participating Medicare providerYes
Average age of these patients74

Most frequent services

  1. Anesthesia for procedure on small and large bowel using an endoscope (00813)29 services
  2. Anesthesia for exam of colon using an endoscope (00812)21 services
  3. Anesthesia for other procedure on upper abdomen (00790)19 services
  4. Ultrasonic guidance for needle placement (76942)18 services
  5. Anesthesia for procedure on nerves, muscles, tendons, and tissue of forearm, wrist, and hand (01810)16 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 cholesterol75%
  • Arthritis50%
  • Diabetes39%
  • Anxiety39%
  • Chronic kidney disease36%

Hospitals where Julie M. Tammaro works

Medicare's Facility Affiliation Data lists Julie M. Tammaro 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.

  • Holy Family HospitalMethuen, MA · Acute Care Hospital · Medicare rating: 2 of 5 stars · Emergency services: listed by Medicare · CCN 220080
  • Lowell General HospitalLowell, MA · Acute Care Hospital · Medicare rating: 2 of 5 stars · Emergency services: listed by Medicare · CCN 220063

Practice locations

Addresses where Julie M. Tammaro is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Julie M. Tammaro as a member of this group (CMS data updated October 2, 2026).

  • Lowell Anesthesiology Service Inc101 clinicians in the group

Specialties

Find other Anesthesiology doctors in Massachusetts →

Other anesthesiologists in Lowell

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

All anesthesiologists in Lowell →

Other clinicians in Lowell Anesthesiology Service Inc

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

Clinician information

CredentialMD
Medical schoolUniversity Of Massachusetts Medical School
Graduation year2011 (15 years since medical school)
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1841584810
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