Steven Balser, M.D.
NPI 1750468393 · Emergency Medical Services (Emergency Medicine) Physician · Ayer, MA
Enrolled with Medicare as Practitioner - Emergency Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Steven Balser, M.D. is a Emergency Medical Services (Emergency Medicine) Physician provider in Ayer, MA (NPI 1750468393).
Provider details
- NPI number
- 1750468393
- Entity type
- Individual
- Primary specialty
- Emergency Medical Services (Emergency Medicine) PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- Yes
- License
- 72046 (MA)
Specialties & taxonomies
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
372 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 | 97 | $139 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 71 | $98 |
| New Patient Office Or Other Outpatient Visit With Moderate Level of Medical Decision Making, If Using Time, 45 Minutes Or More99204 | 65 | $175 |
| New Patient Office Or Other Outpatient Visit With Low Level of Medical Decision Making, If Using Time, 30 Minutes Or More99203 | 54 | $103 |
| X-Ray of Chest, 2 Views71046 | 48 | $29 |
| Established Patient Office Or Other Outpatient Visit With High Level of Medical Decision Making, If Using Time, 40 Minutes Or More |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 8 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Amoxicillin/Potassium Clavbrand: Amoxicillin-Clavulanate Potass | 28 | 28 |
| Azithromycin | 24 | 24 |
| Doxycycline Hyclate | 20 | 20 |
| Cefpodoxime Proxetil | 16 | 16 |
| Prednisone | 16 | 15 |
| Cephalexin | 14 | 13 |
| Triamcinolone Acetonide | 12 | 12 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-11-01
- Last updated
- 2025-04-22
- Certified
- 2025-04-22
Frequently asked questions
- What is Steven Balser's NPI number?
- Steven Balser's National Provider Identifier (NPI) is 1750468393, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Steven Balser's specialty?
- Steven Balser is listed in the NPPES registry with a primary specialty of Emergency Medical Services (Emergency Medicine) Physician (Allopathic & Osteopathic Physicians).
- Where is Steven Balser located?
- Steven Balser's practice location on file with NPPES is 200 Groton Rd, Ayer, MA 01432-1168.
- What is Steven Balser's phone number?
- The practice phone number listed in the NPPES registry for Steven Balser is (978) 784-9000.
- Does Steven Balser accept Medicare?
- Steven Balser is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Steven Balser's NPI active?
- Yes — Steven Balser's NPI (1750468393) is active in the NPPES registry as of the last update on 2025-04-22.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.