Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.

Isabelle A Hertig, MD

Individual provider Critical Care Medicine (Internal Medicine) Physician · NPI 1013127695

Isabelle A Hertig, MD is an Internal Medicine in Rockville, Maryland. Qualified in 1983, 43 years ago. Practices with Usacs Critical Care Medicine Services East, LLC, a 39-clinician group and accepts Medicare assignment. Licensed in Maryland.

Years since qualifying
43
Licensed in
MD
In the registry since
2007
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

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Practice location Address checks out

11125 Rockville Pike Ste 208
Rockville, MD 20852-3142
Phone: (301) 881-5858
Fax: (301) 260-2838
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Critical Care Medicine (Internal Medicine) Physician (primary) Taxonomy 207RC0200X · Licence D0054068 (MD)

Record details

NPI number1013127695
Entity typeIndividual (Type 1)
GenderFemale
Credentials MD
Sole proprietorNo
NPI enumeratedMay 23, 2007
Last updated in NPPESJuly 8, 2007

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyINTERNAL MEDICINE
Medical schoolOTHER
Graduated 1983 (43 years in practice)
Group practice Usacs Critical Care Medicine Services East, Llc — 39 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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