Steven Charles Balser, M.D.
Emergency Medical Services (Emergency Medicine) Physician · Ayer, MA
Steven Charles Balser, M.D. is an emergency medical services (emergency medicine) physician with a practice address in Ayer, Massachusetts, and NPI 1750468393, issued on Nov 1, 2006. Check the license (Massachusetts 72046, as entered in NPPES) on the Massachusetts Board of Registration in Medicine; the Medicare figures below come from public CMS files.
- Name
- Steven Charles Balser
- Credential
- M.D.
- Primary taxonomy
- Emergency Medical Services (Emergency Medicine) Physician 207PE0004X
- License number
- 72046 MA
Self-reported in NPPES; status is on the state search - Practice location
- 200 Groton RD, Ayer, MA 01432
- Phone
- (978) 784-9000
- Enumerated
- Nov 1, 2006
- Record last updated
- Apr 22, 2025
- Medicare enrollment
- Enrolled (PECOS I20050614001095); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest emergency medical services (emergency medicine) physician records → All 43 in Massachusetts → Look up another NPI →
Also registered at 200 Groton RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Jessica Blood, RDRegistered Dietitian1174114672
- Gary Donia, MPTPhysical Therapist1033321344
Verify Steven Charles Balser in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMassachusetts Board of Registration in Medicine
Search for license 72046Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
29% fewer Medicare Part D claims than the average emergency medical services (emergency medicine) physician in 2024
208 Medicare Part D claims for 170 beneficiaries, against an average of 292 among the 1,653 providers of this specialty who prescribed in Part D.
Most prescribed
- Amoxicillin-Clavulanate Potass28 claims
- Azithromycin24 claims
- Doxycycline Hyclate20 claims
- Cefpodoxime Proxetil16 claims
- Prednisone16 claims
- Cephalexin14 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Bills Medicare through 2 group practices
- Beth Israel Deaconess Medical Center IncBoston, MA
- Harvard Medical Faculty Phys AT Beth Israel Deaconess Med Ctr IncBoston, MA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Steven Charles Balser among 43 emergency medical services (emergency medicine) physician records in Massachusetts
Steven Charles Balser, M.D. is one of 43 emergency medical services (emergency medicine) physician records with a practice address in Massachusetts. 53% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 23% of them.
- NPI issued2006 · 23% of these records are older, 37% newer
- In a Medicare fileYes · 53% of these records are
- In the CMS Doctors and Clinicians fileYes · 49% of these records are
- Graduated1988 · median 1998 among the 21 with a school on file
- Record last updated2025 · 60% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207PE0004X and a Massachusetts practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Emergency Medical Services (Emergency Medicine) Physician providers in Massachusetts
There are 43 emergency medical services (emergency medicine) physician records in Massachusetts.
All 43 in Massachusetts → Every provider in Ayer → Emergency Medical Services (Emergency Medicine) Physician nationwide →
The 8 emergency medical services (emergency medicine) physician records with the nearest ZIP codes
- Douglas Romney, MDGardner, MA 014401184059735
- Robert Spangler, M.D.Gardner, MA 014401194715292
- Keith Hilliker, MDSouthbridge, MA 015501447264270
- Robert Haxby, MDGreenfield, MA 013011659458123
- Robert Wenger, D.O.Pittsfield, MA 012011952795338
- Luke Allen, DO, MPHSpringfield, MA 011991962105635
- Robert Baevsky, MDSpringfield, MA 011991710061387
- Gina OuelletteConcord, MA 017421114895711
Common questions
What is Steven Charles Balser, M.D.'s NPI number?
Steven Charles Balser, M.D.'s National Provider Identifier (NPI) is 1750468393, issued on Nov 1, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Steven Charles Balser, M.D. located?
The NPPES record lists a practice address at 200 Groton RD, Ayer, MA, 01432. Phone: (978) 784-9000. Providers update this record themselves, so call before visiting.
How can I verify Steven Charles Balser, M.D.'s license?
NPPES lists Massachusetts license number 72046, as entered by the provider. Search the Massachusetts Board of Registration in Medicine at https://findmydoctor.mass.gov/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Steven Charles Balser, M.D. prescribe under Medicare Part D?
In 2024, Steven Charles Balser, M.D. had 208 Medicare Part D claims for 170 beneficiaries; the average among emergency medical services (emergency medicine) physician prescribers was 292. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.