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DR. MARLA GAY GIEM M.D.
NPI 1548358005
Internal Medicine in Lancaster, CA

Active since October 10, 2006
43839 15TH ST W, LANCASTER, CA 93534(661) 945-5984(661) 723-6446 Get Directions Write a Review

NPPES record last updated: September 6, 2023. Verified against the NPPES registry weekly; last sync: November 08, 2026.

Record update history: Sep 6, 2023, Jul 21, 2022 (2 updates tracked since 2022).

About Dr. Marla Gay Giem M.d. NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

DR. MARLA GAY GIEM M.D. (NPI 1548358005) is an individual internal medicine provider in Lancaster, California, licensed in California (G38777) and active in the NPI registry since October 2006.

NPPES Registry Identity

NPI1548358005
Entity TypeIndividualFemale
Primary Taxonomy207R00000X
Provider Legal NameDR. MARLA GAY GIEMCredential: M.D.
Location Address43839 15TH ST WLancaster, CA 93534-4756
Mailing AddressPo Box 7007Lancaster, CA 93539-7007 · (661) 945-5984 · Fax (661) 723-6446
Phone(661) 945-5984
Fax(661) 723-6446
Sole ProprietorNo
Enumeration DateOctober 10, 2006
Last NPPES UpdateSeptember 6, 20232 updates tracked since enumeration
✔ NPI 1548358005 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
License✔ Licensed in CA · G38777
Definition
A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.
43839 15TH ST W, Lancaster, CA 93534
Open in Google Maps ↗

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

DR. EDGARDO SANTOS BARCELONA M.D.
Surgery
43839 15TH ST W
LANCASTER, CA 93534
Los Angeles County (661) 945-5984
MR. JAMES MILTON LCSW
Social Worker (Clinical)
43839 15TH ST W, HIGH DESERT MEDICAL GROUP
LANCASTER, CA 93534
Los Angeles County (661) 945-5984
DR. YON YARN D.O.
Internal Medicine
43839 15TH ST W
LANCASTER, CA 93534
Los Angeles County (661) 951-3009
NANCY LE
Pharmacist
43839 15TH ST W
LANCASTER, CA 93534
Los Angeles County (661) 942-0607
DR. QANWARPARTAP S SIDHU MD
Dermatology
43839 15TH ST W
LANCASTER, CA 93534
Los Angeles County (661) 945-5984
MS. CAROL LUISA GRANT-DOUGHERTY P.A.
Physician Assistant
43839 15TH ST W
LANCASTER, CA 93534
Los Angeles County (661) 945-5984
DR. VINCENT A.K. HO M.D.
Internal Medicine (Geriatric Medicine)
43839 15TH ST W
LANCASTER, CA 93534
Los Angeles County (661) 945-5984
DR. SAMI A NAFOOSI MD
Internal Medicine
43839 15TH ST W
LANCASTER, CA 93534
Los Angeles County (661) 945-5984

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Marla Giem's NPI number?

The NPI number for Marla Giem is 1548358005. It was assigned to this individual provider in the NPPES registry on October 10, 2006.

Where is Marla Giem located?

Marla Giem practices at 43839 15th St W, Lancaster, CA 93534. The listed phone number is (661) 945-5984.

What is Marla Giem's specialty?

The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.

When was this NPI record last updated?

The NPPES record for Marla Giem was last updated on September 6, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.