David Mazin, M.D.
NPI 1699832485 · Physical Medicine & Rehabilitation Physician · Worcester, MA
Enrolled with Medicare as Practitioner - Physical Medicine and Rehabilitation · source: CMS PECOS Public Provider Enrollment (2026.04.01)
David Mazin, M.D. is a Physical Medicine & Rehabilitation Physician provider in Worcester, MA (NPI 1699832485).
Provider details
- NPI number
- 1699832485
- Entity type
- Individual
- Primary specialty
- Physical Medicine & Rehabilitation PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- 236757 (MA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
19 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
2,835 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 | 619 | $108 |
| Aspiration And/Or Injection of Fluid From Large Joint20610 | 359 | $53 |
| New Patient Office Or Other Outpatient Visit With Moderate Level of Medical Decision Making, If Using Time, 45 Minutes Or More99204 | 352 | $147 |
| Injection of Anesthetic And/Or Steroid Drug Into Sacral Spine Nerve Root Using Imaging Guidance, Single Level64483 | 248 | $132 |
| Fluoroscopic Guidance for Needle Placement77002 | 223 | $27 |
| Visit Complexity Inherent to Evaluation and Management Associated With Medical Care Services That Serve As the Continuing Focal Point for All Needed Health Care Services And/Or With Medical Care Services That Are Part of Ongoing Care Related to a Patient'S |
Practice location
Mailing address
Registry dates
- Enumerated
- 2007-01-02
- Last updated
- 2020-10-28
- Certified
- 2020-10-28
Frequently asked questions
- What is David Mazin's NPI number?
- David Mazin's National Provider Identifier (NPI) is 1699832485, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is David Mazin's specialty?
- David Mazin is listed in the NPPES registry with a primary specialty of Physical Medicine & Rehabilitation Physician (Allopathic & Osteopathic Physicians).
- Where is David Mazin located?
- David Mazin's practice location on file with NPPES is 119 Belmont St, Worcester, MA 01605-2903.
- What is David Mazin's phone number?
- The practice phone number listed in the NPPES registry for David Mazin is (508) 334-1886.
- Does David Mazin accept Medicare?
- David Mazin is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is David Mazin's NPI active?
- Yes — David Mazin's NPI (1699832485) is active in the NPPES registry as of the last update on 2020-10-28.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.