Dr. Marla Gay Giem, MD
- Medicare services, 2019
- 152
- Part D claims, 2024
- 106
- Industry payments
- $687
- Insurance carriers
- 9
- State licenses
- 2
- Practice address
- 38350 40th E St, Palmdale, CA 93552
- Practice phone
- Call (661) 272-5001
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
South Valley Health Center
Palmdale, California
Find Dr. Giem's professional email, personal email and mobile number
Dmand AI checks each channel through healthcare-specific waterfall enrichment. See what is on file with a free account, with practice phones, licenses and affiliations.
Dr. Marla Gay Giem is an internist in Palmdale, California
Dr. Giem practices at South Valley Health Center in Palmdale, California.
Dr. Giem's NPI, 1548358005, was assigned on October 10, 2006. Dr. Giem graduated from Loma Linda University School Of Medicine in 1977. Dr. Giem holds California license G38777.
- NPI
- 1548358005NPI Registry (opens in a new tab)
- NPI enumeration date
- October 10, 2006
- NPI status
- Active
- Practice phone
- (661) 272-5001
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Medical school graduation
- 1977
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Practice Data
Dr. Marla Gay Giem practices at South Valley Health Center in Palmdale, California
Dr. Giem's primary practice is South Valley Health Center, at 38350 40th E St, Palmdale, CA 93552 in Los Angeles County. The practice phone is (661) 272-5001.
- South Valley Health Center38350 40th E St, Palmdale, CA 93552 · Los Angeles CountyPhone(661) 272-5001
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Marla Gay Giem is affiliated with 1 site of care
Dr. Giem's primary practice is South Valley Health Center in Palmdale, California.
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dmand AI tracks the EHR system at Dr. Marla Gay Giem's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Giem practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| South Valley Health Center | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Marla Gay Giem is one of 16,751 internists in California
Internal medicine is Dr. Giem's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dr. Giem is board certified in internal medicine by the American Board of Internal Medicine. Dmand AI has Dr. Giem's licenses on file in 2 states: California and Illinois.
Specialties and state licenses
- Internal medicine, CaliforniaPrimary
- Illinois license
Internists near Dr. Giem
Counts of internists with a Dmand AI profile, by place and practice. Each opens the list.
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Dr. Marla Gay Giem billed Medicare for 152 services in 2019
CMS data shows 152 Medicare services from Dr. Giem across 2 procedure codes in 2019. Medicare paid $4,766 for them.
Dr. Giem's Medicare services by type, 2018 to 2019
- 2018
- 2019
- Office and hospital visits
- 2018: 992019: 13132%
- Surgery
- 2018: 02019: 21
Where Dr. Giem's Medicare services took place, 2019
- In an office139%
- In a facility13991%
Dr. Giem compared with the California median for internists, 2019
- Dr. Giem
- California median
- Medicare services
- 152vs 36158% below
- Part D claims
- 13vs 42197% below
Medians across 15,815 internists in California with Dmand AI profiles that report each measure.
Dr. Giem's most billed Medicare procedure codes, 2019
CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.
Need commercial claims for Dr. Giem?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Giem and other internists in California.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Marla Gay Giem's patients have a median age of 45
Across all payers, Dmand AI patient panel data puts Dr. Giem's median patient age at 45, with 63% women.
Dr. Giem's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 45
Patient panel by sex, all payers
- Women63%
- Men37%
Source: Dmand AI Patient Panel Data
Dr. Marla Gay Giem wrote 106 Medicare Part D claims in 2024
In 2024, Dr. Giem wrote 106 Medicare Part D claims for 69 patients. 88% of them were for generic drugs. CMS names the drug for 13 of them, across 1 drug with 11 or more claims each, at $58 in total drug cost. In 2019, CMS named 11 claims across 1 drug.
Dr. Giem's Part D claims by kind of drug, 2024
- Generic93 claims88%
- Brand-name and other13 claims12%
Dr. Giem's most prescribed drugs by claims, 2022
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
Drug classes CMS tracks in Dr. Giem's Part D claims, 2024
- Antibiotics25%27 of 106 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
Part D claims for drugs CMS names, 2019 to 2022
- 2019
- 2022
- Claims for drugs CMS names
- 2019: 112022: 1318%
Drugs named by CMS: 1 in 2022, 1 in 2019.
Sources: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026; and Medicare Part D Prescribers - by Provider (CMS), 2024 data
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Dr. Marla Gay Giem received $687 in industry payments in 2024
CMS Open Payments shows 3 general payments to Dr. Giem from 1 drug or device company in 2024. Food and beverage make up the largest share, 100% of the total. Edap Technomed Inc paid the most, $687.
Companies that paid Dr. Giem the most, 2024 to 2024
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Marla Gay Giem graduated from Loma Linda University School Of Medicine
Dr. Giem graduated from Loma Linda University School Of Medicine in 1977.
- Medical school
- Board certified in internal medicine
Source: Dmand AI Professional Profile Data
Dr. Marla Gay Giem accepts plans from 9 insurance carriers
Dr. Giem is in network with 9 carriers, including Elevance, Blue Cross Blue Shield of Michigan and Excellus BlueCross BlueShield. Medicare plans come from the most carriers, 6. Check the plan with the practice before a visit.
- Elevance
- Blue Cross Blue Shield of Michigan
- Excellus BlueCross BlueShield
- Blue Cross Blue Shield of Massachusetts
- HCSC
- LA Care
- Regence Health Plans
- United Healthcare
- +1 more carriersWith a free account
Plan types Dr. Giem accepts, by number of carriers
- Medicare6
- PPO6
- HMO4
- POS4
- EPO3
- Medicaid1
Source: Dmand AI Insurance Network Data
Sources for Dr. Marla Gay Giem's profile data
| Data on this page | Source |
|---|---|
| NPI, name, sex, specialty and licenses | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data |
| Practice locations and phone | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data |
| Primary practice, affiliations and health system | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data |
| Medicare services and procedure codes | Medicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab) |
| State medians for the same specialty | Dmand AI Peer Benchmarks |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel Data |
| Part D prescribing | Medicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab)Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| Insurance carriers and plan types | Dmand AI Insurance Network Data |
| EHR at each practice site | Dmand AI Technology Install Data |
| Similar physicians | Dmand AI Affiliation Data |
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about Dr. Marla Gay Giem
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Dr. Marla Gay Giem's NPI number?
Dr. Marla Gay Giem's NPI number is 1548358005. It was assigned on October 10, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Marla Gay Giem?
Dr. Marla Gay Giem is an internist in Palmdale, California. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).
Where does Dr. Marla Gay Giem practice?
Dr. Giem practices at 38350 40th E St, Palmdale, CA 93552. Dr. Giem's primary practice is South Valley Health Center in Palmdale, California.
What is Dr. Marla Gay Giem's office phone number?
The practice phone on file for Dr. Giem is (661) 272-5001.
What is Dr. Marla Gay Giem's medical license number?
Dr. Giem holds California license G38777, one of the licenses on file in 2 states.
Which states has Dr. Marla Gay Giem been licensed in?
Dmand AI has state licenses on file for Dr. Giem in California (1979 to 2026) and Illinois (1982 to 1987).
Does Dr. Marla Gay Giem accept Medicare?
Yes. CMS data shows Dr. Giem billed Medicare for 152 services in 2019.
Is Dr. Marla Gay Giem board certified?
Yes. Dr. Giem is board certified in internal medicine by the American Board of Internal Medicine.
What services does Dr. Marla Gay Giem bill to Medicare?
In 2019, Dr. Giem's most billed Medicare services were office visit, established patient (99213) and surgery: heart and blood vessels (36415).
Where did Dr. Marla Gay Giem go to medical school?
Dr. Giem graduated from Loma Linda University School Of Medicine in 1977.
Show 4 more questionsShow fewer questions
What drugs does Dr. Marla Gay Giem prescribe most?
In 2022 Medicare Part D data, Dr. Giem's most prescribed drugs by claims were Ibuprofen.
Has Dr. Marla Gay Giem received payments from drug or device companies?
CMS Open Payments shows $687 in general payments to Dr. Giem from 1 company from 2024 to 2024. The largest total came from Edap Technomed Inc.
How long has Dr. Marla Gay Giem been practicing?
Dr. Giem graduated from medical school in 1977, 49 years ago.
What insurance does Dr. Marla Gay Giem accept?
Dr. Giem is in network with 9 carriers, including Elevance, Blue Cross Blue Shield of Michigan and Excellus BlueCross BlueShield. Medicare plans come from the most carriers, 6. Check the plan with the practice before a visit.
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