Sarah Peterson, M.D.
NPI 1114174828 · Allergy & Immunology Physician · Buffalo Grove, IL
Enrolled with Medicare as Practitioner - Allergy/Immunology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Sarah Peterson, M.D. is a Allergy & Immunology Physician provider in Buffalo Grove, IL (NPI 1114174828).
Provider details
- NPI number
- 1114174828
- Entity type
- Individual
- Primary specialty
- Allergy & Immunology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Female
- Sole proprietor
- No
- License
- 036125565 (IL)
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
17 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
1,947 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) |
|---|---|---|
| Test for Allergy Using Allergenic Extract95004 | 1,461 | $4 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 231 | $134 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 94 | $94 |
| New Patient Office Or Other Outpatient Visit With Low Level of Medical Decision Making, If Using Time, 30 Minutes Or More99203 | 52 | $116 |
| Test to Measure Expiratory Airflow and Volume94010 | 40 | $27 |
| New Patient Office Or Other Outpatient Visit With Moderate Level of Medical Decision Making, If Using Time, 45 Minutes Or More99204 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 31 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Montelukast Sodium | 229 | 61 |
| Fluticasone Propionate | 135 | 55 |
| Azelastine Hcl | 118 | 50 |
| Ipratropium Bromide | 101 | 44 |
| Fluticasone/Umeclidin/Vilanterbrand: Trelegy Ellipta | 97 | 17 |
| Albuterol Sulfatebrand: Albuterol Sulfate Hfa | 86 | 57 |
| Fluticasone Furoatebrand: Arnuity Ellipta |
Practice location
Mailing address
Registry dates
- Enumerated
- 2008-08-25
- Last updated
- 2026-04-28
- Certified
- 2026-04-28
Frequently asked questions
- What is Sarah Peterson's NPI number?
- Sarah Peterson's National Provider Identifier (NPI) is 1114174828, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Sarah Peterson's specialty?
- Sarah Peterson is listed in the NPPES registry with a primary specialty of Allergy & Immunology Physician (Allopathic & Osteopathic Physicians).
- Where is Sarah Peterson located?
- Sarah Peterson's practice location on file with NPPES is 15 S Mchenry Rd, Buffalo Grove, IL 60089-6705.
- What is Sarah Peterson's phone number?
- The practice phone number listed in the NPPES registry for Sarah Peterson is (847) 618-0326.
- Does Sarah Peterson accept Medicare?
- Sarah Peterson is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Sarah Peterson's NPI active?
- Yes — Sarah Peterson's NPI (1114174828) is active in the NPPES registry as of the last update on 2026-04-28.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.