Dawn Lei, M.D.
NPI 1740660554 · Allergy & Immunology Physician · Sycamore, IL
Enrolled with Medicare as Practitioner - Allergy/Immunology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Dawn Lei, M.D. is a Allergy & Immunology Physician provider in Sycamore, IL (NPI 1740660554).
Provider details
- NPI number
- 1740660554
- Entity type
- Individual
- Primary specialty
- Allergy & Immunology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Female
- Sole proprietor
- No
- License
- 036146239 (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 tenure25% of score
11 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
2 documented practice locations
- Medicare service volume (vs. specialty peers)25% of score
130 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
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 .
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 | 59 | $101 |
| Established Patient Office Or Other Outpatient Visit With High Level of Medical Decision Making, If Using Time, 40 Minutes Or More99215 | 24 | $151 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 19 | $99 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 16 | $66 |
| New Patient Office Or Other Outpatient Visit With Moderate Level of Medical Decision Making, If Using Time, 45 Minutes Or More99204 | 12 | $150 |
Typical Medicare-allowed amounts for these services range $66–$151 (2024). The Medicare-allowed amount is what Medicare recognizes for a service under fee-for-service — a reference figure for 2024, and not what you would be billed. Medicare Part B covers roughly an eighth of all NPIs (65+ skew); services with fewer than 11 beneficiaries are suppressed by CMS. Source: CMS Medicare Physician & Other Practitioners, by Provider & Service.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 9 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Azelastine Hcl | 37 | 18 |
| Montelukast Sodium | 34 | 15 |
| Fluticasone/Umeclidin/Vilanterbrand: Trelegy Ellipta | 31 | 12 |
| Fluticasone Propionate | 19 | — |
| Albuterol Sulfatebrand: Albuterol Sulfate Hfa | 18 | 12 |
| Prednisone | 15 | — |
| Alpha-1-Proteinase Inhibitorbrand: Aralast NP |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$233 across 11 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Additional practice locations (1)
- 303 E Army Trail Rd Ste 403Bloomingdale, IL 60108-2155Phone: (630) 894-7083
Registry dates
- Enumerated
- 2015-06-05
- Last updated
- 2024-07-15
- Certified
- 2024-07-15
Frequently asked questions
- What is Dawn Lei's NPI number?
- Dawn Lei's National Provider Identifier (NPI) is 1740660554, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Dawn Lei's specialty?
- Dawn Lei is listed in the NPPES registry with a primary specialty of Allergy & Immunology Physician (Allopathic & Osteopathic Physicians).
- Where is Dawn Lei located?
- Dawn Lei's practice location on file with NPPES is 2127 Midlands Ct Unit 203, Sycamore, IL 60178-3173.
- What is Dawn Lei's phone number?
- The practice phone number listed in the NPPES registry for Dawn Lei is (815) 758-8106.
- Does Dawn Lei accept Medicare?
- Dawn Lei is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Dawn Lei's NPI active?
- Yes — Dawn Lei's NPI (1740660554) is active in the NPPES registry as of the last update on 2024-07-15.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.