Lauren Westbay, MD
NPI 1861888562 · Obstetrics & Gynecology Physician · Maywood, IL
Enrolled with Medicare as Practitioner - Obstetrics/Gynecology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Lauren Westbay, MD is a Obstetrics & Gynecology Physician provider in Maywood, IL (NPI 1861888562).
Provider details
- NPI number
- 1861888562
- Entity type
- Individual
- Primary specialty
- Obstetrics & Gynecology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- No
- License
- 125066846 (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
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
835 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 | 221 | $134 |
| Urinalysis, Manual Test81002 | 152 | $3 |
| Insertion of Temporary Bladder Tube51701 | 96 | $47 |
| Ultrasound Measurement of Bladder Capacity After Voiding51798 | 87 | $12 |
| Visit Complexity Inherent to Evaluation and Management Associated With Medical Care Services That Serve As the Continuing Focal Point for All Needed Health Care Services And/Or With Medical Care Services That Are Part of Ongoing Care Related to a Patient'SG2211 | 70 | $17 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 14 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Mirabegronbrand: Myrbetriq | 286 | 78 |
| Estradiol | 136 | 92 |
| Trimethoprim | 89 | 23 |
| Vibegronbrand: Gemtesa | 82 | 33 |
| Nitrofurantoin Monohyd/M-Crystbrand: Nitrofurantoin Mono-Macro | 79 | 37 |
| Sulfamethoxazole/Trimethoprimbrand: Sulfamethoxazole-Trimethoprim | 48 | 38 |
| Cephalexin | 42 | 20 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$434 across 23 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
Registry dates
- Enumerated
- 2015-04-09
- Last updated
- 2024-11-26
- Certified
- 2024-11-26
Frequently asked questions
- What is Lauren Westbay's NPI number?
- Lauren Westbay's National Provider Identifier (NPI) is 1861888562, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Lauren Westbay's specialty?
- Lauren Westbay is listed in the NPPES registry with a primary specialty of Obstetrics & Gynecology Physician (Allopathic & Osteopathic Physicians).
- Where is Lauren Westbay located?
- Lauren Westbay's practice location on file with NPPES is 2160 S 1st Ave, Maywood, IL 60153-3328.
- What is Lauren Westbay's phone number?
- The practice phone number listed in the NPPES registry for Lauren Westbay is (708) 216-2180.
- Does Lauren Westbay accept Medicare?
- Lauren Westbay is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Lauren Westbay's NPI active?
- Yes — Lauren Westbay's NPI (1861888562) is active in the NPPES registry as of the last update on 2024-11-26.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.