Douglas Lee, MD
NPI 1144229949 · Specialist · Oak Lawn, IL
Enrolled with Medicare as Practitioner - Gastroenterology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Douglas Lee, MD is a Specialist provider in Oak Lawn, IL (NPI 1144229949).
Provider details
- NPI number
- 1144229949
- Entity type
- Individual
- Primary specialty
- SpecialistOther Service Providers
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 036-087086 (IL)
Specialties & taxonomies
Other Service Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
20 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
1,093 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) |
|---|---|---|
| Biopsy of Large Bowel Using a Flexible Endoscope45380 | 244 | $172 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 188 | $130 |
| Biopsy of Esophagus, Stomach, And/Or Upper Small Bowel Using a Flexible Endoscope43239 | 163 | $94 |
| New Patient Office Or Other Outpatient Visit With Moderate Level of Medical Decision Making, If Using Time, 45 Minutes Or More99204 | 115 | $171 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 50 Minutes99233 | 76 | $120 |
| Removal of Polyps Or Growths of Large Bowel Using an Endoscope With Mechanical Snare |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 17 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Pantoprazole Sodium | 491 | 162 |
| Famotidine | 306 | 98 |
| Omeprazole | 96 | 34 |
| Azathioprine | 42 | — |
| Mesalamine | 35 | 11 |
| Hydrocortisone | 32 | 21 |
| Cholestyraminebrand: Cholestyramine Light | 27 | 15 |
| Sucralfate |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$197 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
Registry dates
- Enumerated
- 2005-07-14
- Last updated
- 2009-01-27
Frequently asked questions
- What is Douglas Lee's NPI number?
- Douglas Lee's National Provider Identifier (NPI) is 1144229949, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Douglas Lee's specialty?
- Douglas Lee is listed in the NPPES registry with a primary specialty of Specialist (Other Service Providers).
- Where is Douglas Lee located?
- Douglas Lee's practice location on file with NPPES is 9921 Southwest Hwy, Oak Lawn, IL 60453-3767.
- What is Douglas Lee's phone number?
- The practice phone number listed in the NPPES registry for Douglas Lee is (708) 499-5678.
- Does Douglas Lee accept Medicare?
- Douglas Lee is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Douglas Lee's NPI active?
- Yes — Douglas Lee's NPI (1144229949) is active in the NPPES registry as of the last update on 2009-01-27.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.