Timothy R. Mulligan, MD

Medicare activity in 2024

Official CMS public-use data for Timothy R. Mulligan, 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.

Most frequent services

1. Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes (99223)278 services
2. Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes (99222)24 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%
• Arthritis59%
• Ischemic heart disease53%
• Heart failure52%
• Chronic kidney disease50%

Hospitals where Timothy R. Mulligan works

Medicare's Facility Affiliation Data lists Timothy R. Mulligan 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.

• Baystate Franklin Medical CenterGreenfield, MA · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 220016
• Baystate Medical CenterSpringfield, MA · Acute Care Hospital · Medicare rating: 2 of 5 stars · Emergency services: listed by Medicare · CCN 220077
• Baystate Noble HospitalWestfield, MA · Acute Care Hospital · Medicare rating: 2 of 5 stars · Emergency services: listed by Medicare · CCN 220065
• Baystate Wing HospitalPalmer, MA · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 220030
• Mercy Medical CenterSpringfield, MA · Acute Care Hospital · Medicare rating: 2 of 5 stars · Emergency services: listed by Medicare · CCN 220066

Practice locations

Addresses where Timothy R. Mulligan is enrolled with Medicare (CMS data updated October 2, 2026).

• 759 Chestnut StSpringfield, MA 01107 (413) 794‑8121

Group practices

Medicare enrollment lists Timothy R. Mulligan as a member of this group (CMS data updated October 2, 2026).

• Baystate Medical Practices Inc1,369 clinicians in the group

Specialties

• Hospitalistprimary
• Internal Medicinealso

Find other Hospitalist doctors in Massachusetts →

Other hospitalists in Springfield

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

• Thomas L. Higgins, MD
• Emmanuel Gonzalez Rosado, MD
• Christopher Jones, MD
• Kyle S. Draleau, DO
• Sarita Singh
• Sai R. Vadhula, MD
• Muhammad Hassaan Wiqar, MD
• Mihaela Tiru, MD

All hospitalists in Springfield →

Other clinicians in Baystate Medical Practices Inc

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

• Eduardo Nunez, MD
• Mohammed I. Ali, MD
• Thomas L. Higgins, MD
• Gregory Valania
• Michael J. Cobill, PA
• Armen Asik, MD

Clinician information

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