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

Dr. Deborah Helen Milligan, MD

Individual provider Critical Care Medicine (Internal Medicine) Physician · NPI 1568430098

Dr. Deborah Helen Milligan, MD is an Internal Medicine in Long Beach, California. Graduated from University of Virginia School of Medicine in 1991, 35 years ago. Practices with Healthcare Partners Affiliates Medical Group, a 790-clinician group, works from 2 locations and accepts Medicare assignment. Licensed in California.

Years since qualifying
35
Trained at
University of Virginia School of Medicine
Licensed in
CA
In the registry since
2006
Specialties on file
2
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

2801 Atlantic Ave
Long Beach, CA 90806-1701
Phone: (562) 426-3333
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (1)

  • 2699 Atlantic Ave, Long Beach, CA 90806-2710 — (562) 426-3333

Specialties & licences

Pulmonary Disease Physician (primary) Taxonomy 207RP1001X · Licence G74565 (CA)
Critical Care Medicine (Internal Medicine) Physician Taxonomy 207RC0200X · Licence G74565 (CA)

Record details

NPI number1568430098
Entity typeIndividual (Type 1)
GenderFemale
Credentials MD
Sole proprietorNo
NPI enumeratedMarch 10, 2006
Last updated in NPPESJanuary 1, 2026
Certification dateJanuary 1, 2026

Medicare enrollment

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

Medicare specialtyINTERNAL MEDICINE
Also practisesCRITICAL CARE (INTENSIVISTS), PULMONARY DISEASE
Medical schoolUNIVERSITY OF VIRGINIA SCHOOL OF MEDICINE
Graduated 1991 (35 years in practice)
Group practice Healthcare Partners Affiliates Medical Group — 790 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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