DR. STEVEN CHARLES BALSER M.D.
NPI 1750468393
Emergency Medicine - Emergency Medical Services in Ayer, MA

Q: What is Steven Balser's NPI number?

The NPI number for Steven Balser is 1750468393. It was assigned to this individual provider in the NPPES registry on November 1, 2006.

Q: What is Steven Balser's specialty?

The primary specialty registered for this NPI is Emergency Medicine, specializing in Emergency Medical Services, with taxonomy code 207PE0004X.

Q: When was this NPI record last updated?

The NPPES record for Steven Balser was last updated on April 22, 2025. NPI Profile syncs with the weekly NPPES data releases published by CMS.

Active since November 01, 2006PECOS EnrolledAccepts Medicare Assignment

200 GROTON RD, AYER, MA 01432(978) 784-9000 Get Directions Write a Review

NPPES record last updated: April 22, 2025. Verified against the NPPES registry weekly; last sync: July 26, 2026.

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About Dr. Steven Charles Balser M.d. NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

DR. STEVEN CHARLES BALSER M.D. (NPI 1750468393) is an individual emergency medical services provider in Ayer, Massachusetts, licensed in Massachusetts (72046) and active in the NPI registry since November 2006. He is enrolled in Medicare PECOS, is affiliated with Mount Auburn Hospital, and is a graduate of Other (1988).

NPPES Registry Identity

NPI1750468393

Entity TypeIndividualMale

Primary Taxonomy207PE0004X

Provider Legal NameDR. STEVEN CHARLES BALSERCredential: M.D.

Location Address200 GROTON RDAyer, MA 01432-1168

Mailing Address39 Victoria RdSudbury, MA 01776-3139

Phone(978) 784-9000

Sole ProprietorYes

Medical School CMSOtherGraduated 1988

Enumeration DateNovember 1, 2006

Last NPPES UpdateApril 22, 2025

NPPES CertifiedApril 22, 2025

✔ NPI 1750468393 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyEmergency Medicine · Emergency Medical ServicesAllopathic & Osteopathic Physicians

Taxonomy Code207PE0004X

License✔ Licensed in MA · 72046

Definition

An emergency medicine physician who specializes in non-hospital based emergency medical services (e.g., disaster site, accident scene, transport vehicle, etc.) to provide pre-hospital assessment, treatment, and transport patients.

200 GROTON RD, Ayer, MA 01432

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Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Dr. Steven Charles Balser M.d. is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID2466496013

PECOS Enrollment IDI20050614001095

Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Areas of Expertise CMS Part B claims 16

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Established patient office or other outpatient visit, 30-39 minutes 99214

This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.

160 services154 patients

Established patient office or other outpatient visit, 20-29 minutes 99213

This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.

131 services130 patients

X-ray of chest, 2 views 71046

A chest X-ray, 2 views, is a quick, painless test that creates pictures of the structures inside your chest, such as your heart, lungs, and blood vessels. Two different angles are used to get a comprehensive view. This helps in diagnosing conditions like pneumonia, heart problems, or lung cancer.

46 services46 patients

Insertion of needle into vein for collection of blood sample 36415

This procedure involves inserting a small needle into a vein, typically in your arm, to collect a blood sample. It's a quick and simple process to help diagnose or monitor health conditions. You may feel a small prick, but discomfort is minimal.

27 services27 patients

Manual urinalysis test with examination using microscope, automated 81001

A manual urinalysis test with automated microscopic examination is a lab process that checks your urine for health indicators. It involves a machine scanning your sample to identify any abnormal elements, which can assist in diagnosing various conditions.

27 services26 patients

New patient office or other outpatient visit, 30-44 minutes 99203

This service involves an initial office or outpatient visit for a new patient. The healthcare professional will spend 30-44 minutes understanding your health history, current issues, and discussing possible treatment plans. It's a comprehensive evaluation to start your healthcare journey.

20 services20 patients

Blood test panel for electrolytes (sodium potassium, chloride, carbon dioxide) 80051

A blood test panel for electrolytes checks the levels of sodium, potassium, chloride, and carbon dioxide in your blood. These elements are crucial for body functions such as maintaining fluid balance, muscle contractions, and heart rhythm. The test helps identify any imbalances.

19 services19 patients

Blood creatinine level 82565

A blood creatinine level test measures the amount of creatinine in your blood. Creatinine is a waste product that your body produces when it uses energy. High levels may indicate that your kidneys aren't working properly. This test is often used to monitor kidney health.

19 services19 patients

Urea nitrogen level to assess kidney function, quantitative 84520

The urea nitrogen level test is a routine blood test that checks the amount of urea nitrogen in your blood to evaluate how well your kidneys are working. If the levels are higher than normal, it may indicate that your kidneys are not functioning properly.

19 services19 patients

Complete blood cell count (red cells, white blood cell, platelets), automated test and automated differential white blood cell count 85025

A Complete Blood Cell Count is a common test that measures various components of the blood, including red cells (carry oxygen), white cells (fight infection), and platelets (help blood clot). An automated test ensures accuracy. The differential count provides detailed information about white cell types.

19 services19 patients

Detection test by immunoassay with direct visual observation for influenza virus 87804

This is a test that identifies the influenza virus in your body. It works by using an immunoassay, a method that detects the presence of the virus through an immune response. The results are directly observable, making it a quick and efficient way to diagnose flu.

19 services13 patients

Automated urinalysis test 81003

An automated urinalysis test is a routine examination that checks your urine for various substances. It can help identify potential health issues such as kidney problems or diabetes. The test uses a machine to analyze a small urine sample, providing quick and accurate results.

17 services17 patients

Amplifed dna or rna probe detection of severe acute respiratory syndrome coronavirus 2 (covid-19) antigen 87635

This is a lab test that detects the presence of COVID-19 in your body. It uses a technique to amplify the virus's genetic material, either DNA or RNA, making it easier to identify. A positive result indicates an active infection.

16 services16 patients

Detection test by immunoassay with direct visual observation for streptococcus, group a (strep) 87880

A detection test by immunoassay for Group A Strep is a quick procedure to identify a bacterial infection in your throat. It involves taking a throat swab and applying it to a test strip, which changes color if Strep bacteria are present.

16 services16 patients

New patient office or other outpatient visit, 45-59 minutes 99204

This is a first-time office or outpatient visit lasting between 45-59 minutes. The healthcare provider evaluates your health, discusses your medical history, and may suggest further tests or treatments. It's an opportunity to ask questions and understand your health better.

16 services16 patients

Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report 93000

An electrocardiogram (ECG) is a non-invasive test that records your heart's electrical activity. Using 12 leads attached to your body, it captures data to help identify heart conditions. A doctor interprets the results and provides a report.

11 services11 patients

Hospital Affiliations CMS Care Compare 2

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Mount Auburn Hospital

Acute Care Hospitals · Cambridge, MA

5/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number220002

Location330 Mount Auburn StreetCambridge, MA 02138 · Middlesex County

Emergency services Birthing friendly

Beth Israel Deaconess Medical Center

Acute Care Hospitals · Boston, MA

4/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number220086

Location330 Brookline AvenueBoston, MA 02215 · Suffolk County

Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 01432 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient

$97.64 typical visit price

range $63.72 – $189.86

Typical copayment $24.41 (range $15.93 – $47.46)

Most-billed visit code 99203

Established Patient

$111.18 typical visit price

range $21.07 – $155.29

Typical copayment $27.79 (range $5.26 – $38.82)

Most-billed visit code 99214

Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

ESSENT HEALTHCARE - AYER, INC.

General Acute Care Hospital

200 GROTON RD
AYER, MA 01432

Middlesex County (978) 784-9000

SUSAN H LUCAS MD

Internal Medicine

200 GROTON RD
AYER, MA 01432

Middlesex County (978) 784-9000

NASHOBA VALLEY HEALTHCARE GROUP INC

Family Medicine

200 GROTON RD
AYER, MA 01432

Middlesex County (978) 784-9325

MARY L BAKALOS M.D.

Radiology (Diagnostic Radiology)

200 GROTON RD, NASHOBA VALLEY MEDICAL CENTER
AYER, MA 01432

Middlesex County (978) 784-9270

MS. NAOMI SAWYER NP-C

Nurse Practitioner

200 GROTON RD
AYER, MA 01432

Middlesex County (978) 784-9534

MATTHEW FOLEY MD

Radiology (Diagnostic Radiology)

200 GROTON RD, RADIOLOGY DEPARTMENT
AYER, MA 01432

Middlesex County (978) 784-9270

JENNIFER P STONE M.D.

Internal Medicine (Hematology & Oncology)

200 GROTON RD
AYER, MA 01432

Middlesex County (978) 784-9357

JUDITH MARIE PENTEDEMOS NP

Registered Nurse (Diabetes Educator)

200 GROTON RD
AYER, MA 01432

Middlesex County (978) 784-9538

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Steven Balser's NPI number?

The NPI number for Steven Balser is 1750468393. It was assigned to this individual provider in the NPPES registry on November 1, 2006.

Where is Steven Balser located?

Steven Balser practices at 200 Groton Rd, Ayer, MA 01432. The listed phone number is (978) 784-9000.

What is Steven Balser's specialty?

The primary specialty registered for this NPI is Emergency Medicine, specializing in Emergency Medical Services, with taxonomy code 207PE0004X.

Is Steven Balser enrolled in Medicare?

Yes. Steven Balser is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

Is Steven Balser affiliated with any hospitals?

According to CMS data, Steven Balser is affiliated with Mount Auburn Hospital and Beth Israel Deaconess Medical Center.

When was this NPI record last updated?

The NPPES record for Steven Balser was last updated on April 22, 2025. NPI Profile syncs with the weekly NPPES data releases published by CMS.