Dr. David J. St Germain, MD
- Medicare services, 2024
- 324
- Medicare patients, 2024
- 147
- Part D claims, 2024
- 12,197
- Hospital affiliations
- 1
- Industry payments
- $8,498
- Practice address
- 4200 Houma Blvd, Metairie, LA 70006
- Practice phone
- Call (504) 988-5263
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. St Germain's professional email, personal email and mobile number
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Dr. David J. St Germain is an internist in Metairie, Louisiana
Dr. St Germain practices at East Jefferson General Hospital in Metairie, Louisiana, part of LCMC Health.
Dr. St Germain's NPI, 1124086459, was assigned on May 3, 2006. Dr. St Germain graduated from Louisiana State University School of Medicine in New Orleans in 1978. Dr. St Germain holds Louisiana license 014799.
- NPI
- 1124086459NPI Registry (opens in a new tab)
- Medicare PAC ID
- 2567420805
- NPI enumeration date
- May 3, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (504) 988-5263
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 74
- Medical school graduation
- 1978
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. David J. St Germain practices at East Jefferson General Hospital in Metairie, Louisiana
Dr. St Germain's primary practice is East Jefferson General Hospital, at 4200 Houma Blvd, Metairie, LA 70006 in Jefferson Parish. The practice phone is (504) 988-5263.
- East Jefferson General Hospital4200 Houma Blvd, Metairie, LA 70006 · Jefferson ParishPhone(504) 988-5263
Source: Dmand AI Affiliation Data
Dr. David J. St Germain is affiliated with 3 sites of care and 1 medical group
Dr. St Germain's primary practice is East Jefferson General Hospital in Metairie, Louisiana, part of LCMC Health. The medical group on file is East Jefferson Physicians Group. Dmand AI also links Dr. St Germain to 1 more group practice or clinic and 1 home health agency, each named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. David J. St Germain's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. St Germain practices, 3 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| East Jefferson General Hospital | Available with a free account |
| +2 more affiliated sites | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. David J. St Germain is one of 1,571 internists in Louisiana
Internal medicine is Dr. St Germain's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dr. St Germain is licensed in Louisiana.
Specialties and state licenses
- Internal medicine, LouisianaPrimary
Internists near Dr. St Germain
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. David J. St Germain billed Medicare for 324 services in 2024
CMS data shows 324 Medicare services from Dr. St Germain across 5 procedure codes in 2024, for 147 Medicare patients. Medicare paid $20,079 for them. Every service was in an office.
Dr. St Germain's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 2652024: 2554%
- Tests and treatments
- 2023: 472024: 4015%
- Other services
- 2023: 332024: 2912%
Dr. St Germain compared with the Louisiana median for internists, 2024
- Dr. St Germain
- Louisiana median
- Medicare services
- 324vs 42123% below
- Medicare patients
- 147vs 1608% below
- Part D claims
- 11,576vs 40828.4 times
Medians across 1,561 internists in Louisiana with Dmand AI profiles that report each measure.
Dr. St Germain's most billed Medicare procedure codes, 2024
CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.
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Medicare shows one payer. Book a meeting to get commercial claims data for Dr. St Germain and other internists in Louisiana.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. David J. St Germain treated 147 Medicare patients in 2024, average age 77
CMS counts 147 Medicare patients who saw Dr. St Germain in 2024. The largest group is 65 to 74, with 63 patients. 75% of them have high blood pressure, and 75% have high cholesterol. Their average risk score is 1.14, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. St Germain's median patient age at 73, with 44% women.
Dr. St Germain's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Dr. St Germain's Medicare patients by sex, 2024
- Women7148%
- Men7652%
Chronic conditions among Dr. St Germain's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Arthritis40%
- Diabetes29%
- Chronic kidney disease24%
- Cancer21%
- Ischemic heart disease21%
- Atrial fibrillation18%
Share of Medicare patients with each condition. A patient can have several.
Dr. St Germain's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 73
Patient panel by sex, all payers
- Women44%
- Men56%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. David J. St Germain wrote 12,197 Medicare Part D claims in 2024
In 2024, Dr. St Germain wrote 12,197 Medicare Part D claims for 757 patients. 87% of them were for generic drugs. CMS names the drug for 11,576 of them, across 132 drugs with 11 or more claims each, at $1,145,347 in total drug cost. In 2023, CMS named 11,851 claims across 138 drugs.
Dr. St Germain's Part D claims by kind of drug, 2024
- Generic10,654 claims87%
- Brand-name1,505 claims12%
- Other38 claims0%
Dr. St Germain's most prescribed drugs by claims, 2024
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. St Germain's Part D claims, 2024
- Opioids3%326 of 12,197 claims
- Antibiotics1%76 of 12,197 claims
- Antipsychotics, patients 65 and over1%61 of 12,197 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, 2023 to 2024
- 2023
- 2024
- Claims for drugs CMS names
- 2023: 11,8512024: 11,5762%
Drugs named by CMS: 132 in 2024, 138 in 2023.
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
How Dr. David J. St Germain takes part in Medicare
Dr. St Germain accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
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Dr. David J. St Germain received $8,498 in industry payments from 2016 to 2025
CMS Open Payments shows 502 general payments to Dr. St Germain from 42 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 100% of the total. Pfizer Inc. paid the most, $1,176.
General payments to Dr. St Germain by program year, 2016 to 2025
General payments to Dr. St Germain by kind, 2016 to 2025
- Food and beverage$8,487100%
- Education$110%
Companies that paid Dr. St Germain the most, 2016 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. David J. St Germain graduated from Louisiana State University School of Medicine in New Orleans
Dr. St Germain graduated from Louisiana State University School of Medicine in New Orleans in 1978.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. David J. St Germain'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 | Dmand AI Affiliation Data |
| Primary practice, affiliations and health system | Dmand AI Affiliation DataDmand AI Org Hierarchy 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 DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab) |
| 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) |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (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 |
| 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. David J. St Germain
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. David J. St Germain's NPI number?
Dr. David J. St Germain's NPI number is 1124086459. It was assigned on May 3, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. David J. St Germain?
Dr. David J. St Germain is an internist in Metairie, Louisiana. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).
Where does Dr. David J. St Germain practice?
Dr. St Germain practices at 4200 Houma Blvd, Metairie, LA 70006. Dr. St Germain's primary practice is East Jefferson General Hospital in Metairie, Louisiana, part of LCMC Health. Dmand AI also links Dr. St Germain to 1 group practice or clinic and 1 home health agency.
What is Dr. David J. St Germain's office phone number?
The practice phone on file for Dr. St Germain is (504) 988-5263.
What is Dr. David J. St Germain's medical license number?
Dr. St Germain holds Louisiana license 014799.
Which hospitals is Dr. David J. St Germain affiliated with?
Dr. St Germain practices at East Jefferson General Hospital in Metairie, Louisiana.
What medical group is Dr. David J. St Germain part of?
Dr. St Germain is linked to East Jefferson Physicians Group.
Does Dr. David J. St Germain accept Medicare?
Yes. CMS data shows Dr. St Germain billed Medicare for 324 services in 2024, and Dr. St Germain accepts Medicare assignment.
How many Medicare patients does Dr. David J. St Germain see?
CMS counts 147 Medicare patients who saw Dr. St Germain in 2024, with an average age of 77.
What services does Dr. David J. St Germain bill to Medicare?
In 2024, Dr. St Germain's most billed Medicare services were office visit, established patient (99214), office visit, established patient (99213) and medicare service (G0008).
Show 4 more questionsShow fewer questions
Where did Dr. David J. St Germain go to medical school?
Dr. St Germain graduated from Louisiana State University School of Medicine in New Orleans in 1978.
What drugs does Dr. David J. St Germain prescribe most?
In 2024 Medicare Part D data, Dr. St Germain's most prescribed drugs by claims were Atorvastatin Calcium, Rosuvastatin Calcium and Lisinopril.
Has Dr. David J. St Germain received payments from drug or device companies?
CMS Open Payments shows $8,498 in general payments to Dr. St Germain from 42 companies from 2016 to 2025. The largest total came from Pfizer Inc.
How long has Dr. David J. St Germain been practicing?
Dr. St Germain graduated from medical school in 1978, 48 years ago.
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