Doctor profile · Federal record
Dr. Isabelle Hertig, MD
Critical Care Medicine (Internal Medicine) Physician (CMS: Internal Medicine) · Rockville, MD
- NPI 1013127695
- Accepts Medicare
- MIPS 0.0 / 100 · 2023
- 43 yrs in practice
- Female
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
11125 Rockville Pike, Suite 208
Rockville, MD 208523142
(301) 881-5858
fax (301) 260-2838 - Mailing address
-
Po Box 299
Burtonsville, MD 208660299
Credentials & registration
- NPI registered
- May 2007 — 19 yrs on file
- Profile last updated
- July 8, 2007
- Year of graduation
- 1983 — 43 yrs since
- Specialty taxonomy
- 207RC0200X — NUCC code
- State license (1)
- Maryland #D0054068
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1013127695. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
629
Distinct HCPCS
6
Medicare allowed
$129,996
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99291 |
Critical care, first 30-74 minutes | 470 | 234 | $231 | |
99233 |
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes | 74 | 68 | $128 | |
99292 |
Critical care, each additional 30 minutes | 26 | 17 | $113 | |
31500 |
Emergent insertion of breathing tube into windpipe using an endoscope | 24 | 24 | $153 | |
92950 |
Manual attempt to restore blood circulation and breathing | 21 | 16 | $197 | |
99232 |
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | 14 | 11 | $86 |
In context: peer comparison
Among 6 peers in this city , average services per provider: 114. This provider delivers 5.5× the peer median.Open Payments
Industry payments received
All-time total
$140
Transactions
2
Manufacturers
2
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| Gilead Sciences, Inc. | 1 | $121.84 | |
| ABBVIE INC. | 1 | $17.77 |
By nature of payment
Frequently asked questions
What is Dr. Isabelle Hertig's medical specialty?
Dr. Isabelle Hertig practices Critical Care Medicine (Internal Medicine) Physician in Rockville, MD.
Where does Dr. Isabelle Hertig practice?
Dr. Isabelle Hertig practices at 11125 Rockville Pike, Rockville, MD 208523142. Office phone: 3018815858.
What is Dr. Isabelle Hertig's NPI?
Dr. Isabelle Hertig's National Provider Identifier (NPI) is 1013127695, issued by NPPES.
Does Dr. Isabelle Hertig accept Medicare assignment?
Yes. Dr. Isabelle Hertig accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Isabelle Hertig commonly perform?
Top Medicare-reported procedures in 2023: Critical care (HCPCS 99291); Subsequent hospital care with moderate levelof medical decision making (HCPCS 99233); Critical care (HCPCS 99292). Source: CMS Medicare Physician & Other Practitioners file.