Mark Maxfield, M.D.
NPI 1073757001 · Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician · Worcester, MA
Enrolled with Medicare as Practitioner - Thoracic Surgery · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Mark Maxfield, M.D. is a Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician provider in Worcester, MA (NPI 1073757001).
Provider details
- NPI number
- 1073757001
- Entity type
- Individual
- Primary specialty
- Thoracic Surgery (Cardiothoracic Vascular Surgery) PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Student, Health Care
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
17 yrs in NPPES registry
- Profile completeness28% of score
83% of core fields populated
- Practice footprint17% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
248 Medicare services, 2024 (ranked within specialty)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 36 | $130 |
| New Patient Office Or Other Outpatient Visit With Moderate Level of Medical Decision Making, If Using Time, 45 Minutes Or More99204 | 30 | $168 |
| Subsequent Hospital Care With Straightforward Or Low Level of Medical Decision Making, Per Day, If Using Time, at Least 25 Minutes99231 | 25 | $49 |
| New Patient Office Or Other Outpatient Visit With Moderate Level of Medical Decision Making, If Using Time, 45 Minutes Or More99204 | 24 | $128 |
| New Patient Office Or Other Outpatient Visit With a High Level of Medical Decision Making, If Using Time, 60 Minutes Or More99205 | 20 | $222 |
| Removal of Lymph Nodes of Chest Cavity Using an Endoscope |
Practice location
Mailing address
Registry dates
- Enumerated
- 2009-04-21
- Last updated
- 2020-11-05
- Certified
- 2020-11-05
Frequently asked questions
- What is Mark Maxfield's NPI number?
- Mark Maxfield's National Provider Identifier (NPI) is 1073757001, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mark Maxfield's specialty?
- Mark Maxfield is listed in the NPPES registry with a primary specialty of Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician (Allopathic & Osteopathic Physicians).
- Where is Mark Maxfield located?
- Mark Maxfield's practice location on file with NPPES is 67 Belmont St, Worcester, MA 01605-2657.
- What is Mark Maxfield's phone number?
- The practice phone number listed in the NPPES registry for Mark Maxfield is (508) 334-5826.
- Does Mark Maxfield accept Medicare?
- Mark Maxfield is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Mark Maxfield's NPI active?
- Yes — Mark Maxfield's NPI (1073757001) is active in the NPPES registry as of the last update on 2020-11-05.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.