David Lang, MD
NPI 1619167194 · Obstetrics & Gynecology Physician · Chicago, IL
Enrolled with Medicare as Practitioner - Obstetrics/Gynecology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
David Lang, MD is a Obstetrics & Gynecology Physician provider in Chicago, IL (NPI 1619167194).
Provider details
- NPI number
- 1619167194
- Entity type
- Individual
- Primary specialty
- Obstetrics & Gynecology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 036.128396 (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
19 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
1,007 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) |
|---|---|---|
| Residence Visit for Established Patient With Moderate Level of Medical Decision Making, Per Day, If Using Time, at Least 40 Minutes99349 | 644 | $127 |
| Physician Or Allowed Practitioner Re-Certification for Medicare-Covered Home Health Services Under a Home Health Plan of Care (patient Not Present), Including Contacts With Home Health Agency and Review of Reports of Patient Status Required By Physicians aG0179 | 109 | $42 |
| Advance Care Planning, First 30 Minutes99497 | 90 | $81 |
| Physician Or Allowed Practitioner Certification for Medicare-Covered Home Health Services Under a Home Health Plan of Care (patient Not Present), Including Contacts With Home Health Agency and Review of Reports of Patient Status Required By Physicians andG0180 | 85 | $53 |
| Residence Visit for New Patient With Moderate Level of Medical Decision Making, Per Day, If Using Time, at Least 60 Minutes99344 | 79 | $141 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 55 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Levothyroxine Sodium | 114 | 41 |
| Amlodipine Besylate | 83 | 30 |
| Atorvastatin Calcium | 70 | 35 |
| Furosemide | 67 | 36 |
| Gabapentin | 64 | 27 |
| Omeprazole | 53 | 22 |
| Albuterol Sulfatebrand: Albuterol Sulfate Hfa |
Practice location
Mailing address
Registry dates
- Enumerated
- 2007-07-31
- Last updated
- 2020-03-03
- Certified
- 2020-03-03
Frequently asked questions
- What is David Lang's NPI number?
- David Lang's National Provider Identifier (NPI) is 1619167194, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is David Lang's specialty?
- David Lang is listed in the NPPES registry with a primary specialty of Obstetrics & Gynecology Physician (Allopathic & Osteopathic Physicians).
- Where is David Lang located?
- David Lang's practice location on file with NPPES is 2003 W Fulton St # 303, Chicago, IL 60612-2345.
- What is David Lang's phone number?
- The practice phone number listed in the NPPES registry for David Lang is (312) 243-2223.
- Does David Lang accept Medicare?
- David Lang is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is David Lang's NPI active?
- Yes — David Lang's NPI (1619167194) is active in the NPPES registry as of the last update on 2020-03-03.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.