Doctor profile · Federal record
Dr. Nathan Nowalk, M.D.
Pulmonary Disease Physician (CMS: Internal Medicine) · Sleep Medicine (Internal Medicine) Physician · Critical Care Medicine (Internal Medicine) Physician · Chicago, IL
- NPI 1003298720
- Accepts Medicare
- 11 yrs in practice
- Licensed in 2 states
- Male
- Group practice
- No sanctions
Practice & contact
Operates at 2 locations .
- Primary practice
-
5841 S Maryland Ave
Chicago, IL 606371443
(888) 824-0200 - Additional location
-
3624 Market St Ste 201
Philadelphia, PA 191042614
(215) 662-7772 - Mailing address
-
150 Harvester Dr Ste 300
Burr Ridge, IL 605275965
Credentials & registration
- NPI registered
- June 2015 — 11 yrs on file
- Profile last updated
- September 10, 2025
- Year of graduation
- 2015 — 11 yrs since
- Specialty taxonomy
- 207RP1001X — NUCC code
- State licenses (2)
- Illinois #036152140 · Pennsylvania #MD490543
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1003298720. Last verified May 11, 2026.Open Payments
Industry payments received
All-time total
$126
Transactions
1
Manufacturers
1
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| AstraZeneca Pharmaceuticals Lp | 1 | $126.11 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
45
Patients
0
Total drug cost
$52,524
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Anoro Ellipta (Umeclidinium Brm/Vilanterol Tr) | Brand | 18 | 0 | $9,271 |
| Albuterol Sulfate Hfa (Albuterol Sulfate) | Brand | 15 | 0 | $343 |
| Dupixent Syringe (Dupilumab) | Brand | 12 | 0 | $42,910 |
Frequently asked questions
What is Dr. Nathan Nowalk's medical specialty?
Dr. Nathan Nowalk practices Pulmonary Disease Physician in Chicago, IL.
Where does Dr. Nathan Nowalk practice?
Dr. Nathan Nowalk practices at 5841 S Maryland Ave, Chicago, IL 606371443. Office phone: 8888240200.
What is Dr. Nathan Nowalk's NPI?
Dr. Nathan Nowalk's National Provider Identifier (NPI) is 1003298720, issued by NPPES.
Does Dr. Nathan Nowalk accept Medicare assignment?
Yes. Dr. Nathan Nowalk accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.