Quick answers
- Does William J. Hartigan Jr. accept Medicare assignment?
- Yes. Medicare's clinician data says William J. Hartigan 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 William J. Hartigan Jr. see?
- In 2024, CMS data shows 225 Original Medicare patients and 403 services for William J. Hartigan Jr.. This counts Original Medicare only and measures volume, not quality.
- What is William J. Hartigan Jr.'s NPI number?
- 1407883374. 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 William J. Hartigan 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 patients | 225 |
|---|---|
| Services billed to Medicare | 403 |
| Different services or procedures | 13 |
| Participating Medicare provider | Yes |
| Average age of these patients | 79 |
Most frequent services
- Trimming of dystrophic nails, any number (G0127)258 services
- Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more (99212)50 services
- Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)18 services
- Removal of noncancer thickened skin growth, 1 growth (11055)11 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%
- Diabetes68%
- Chronic kidney disease51%
- Arthritis45%
- Ischemic heart disease36%
Hospitals where William J. Hartigan Jr. works
Medicare's Facility Affiliation Data lists William J. Hartigan 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.
- Beth Israel Deaconess Medical CenterBoston, MA · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 220086
Practice locations
Addresses where William J. Hartigan Jr. is enrolled with Medicare (CMS data updated October 2, 2026).
- 330 Brookline AveBoston, MA 02215 (617) 667‑2000
Group practices
Medicare enrollment lists William J. Hartigan Jr. as a member of this group (CMS data updated October 2, 2026).
- Beth Israel Deaconess Medical Center Inc127 clinicians in the group
Specialties
- Podiatryprimary
Other podiatrists in Boston
Clinicians with the same Medicare primary specialty in Boston, MA — not a recommendation.
Other clinicians in Beth Israel Deaconess Medical Center Inc
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | DPM |
|---|---|
| Podiatric medical school | Kent State University College Of Podiatric Medicine |
| Graduation year | 1984 (42 years since podiatric medical school) |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1407883374 |
| Corrections | Report 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
- Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated October 2, 2026, retrieved October 29, 2026
- Hospital General Information — CMS, data updated October 26, 2026, retrieved November 13, 2026
- National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
- Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
- NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
- Medicare Care Compare — official Medicare tool to look up clinicians