Dr. Sarah E. Drennan, MD
- Medicare services, 2016
- 11
- Medicare patients, 2024
- 12
- Part D claims, 2024
- 47
- Industry payments
- $4,790
- Affiliated sites
- 1
- Practice address
- 9000 Airline Hwy, Baton Rouge, LA 70815
- Practice phone
- Call (225) 201-2000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Louisiana Women's Healthcare - Baton Rouge (Airline Hwy)
Surgery Center - Not Medicare-Certified · Baton Rouge, Louisiana
Find Dr. Drennan'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. Sarah E. Drennan is an OB-GYN in Baton Rouge, Louisiana
Dr. Drennan practices at Louisiana Women's Healthcare - Baton Rouge (Airline Hwy) in Baton Rouge, Louisiana.
Dr. Drennan's NPI, 1194952135, was assigned on June 17, 2009. Dr. Drennan graduated from University of South Carolina School of Medicine in 2009. Dr. Drennan holds Louisiana license MD.204559.
- NPI
- 1194952135NPI Registry (opens in a new tab)
- Medicare PAC ID
- 3678717717
- NPI enumeration date
- June 17, 2009
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (225) 201-2000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 43
- Medical school graduation
- 2009
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Sarah E. Drennan practices at Louisiana Women's Healthcare - Baton Rouge (Airline Hwy) in Baton Rouge, Louisiana
Dr. Drennan's primary practice is Louisiana Women's Healthcare - Baton Rouge (Airline Hwy), at 9000 Airline Hwy, Baton Rouge, LA 70815. The practice phone is (225) 201-2000.
- Louisiana Women's Healthcare - Baton Rouge (Airline Hwy)9000 Airline Hwy, Baton Rouge, LA 70815Phone(225) 201-2000
Source: Dmand AI Affiliation Data
Dr. Sarah E. Drennan is affiliated with 1 site of care and 4 medical groups
Dr. Drennan's primary practice is Louisiana Women's Healthcare - Baton Rouge (Airline Hwy) in Baton Rouge, Louisiana. The medical group on file is Ochsner Health. Dmand AI also links Dr. Drennan to 3 more medical groups, each named with a free account. Dr. Drennan's employer is on file too: a surgery center (asc).
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Sarah E. Drennan's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Drennan practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Louisiana Women's Healthcare - Baton Rouge (Airline Hwy) | Available with a free account |
| +3 medical groups | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Sarah E. Drennan is one of 553 OB-GYNs in Louisiana
Obstetrics and gynecology is Dr. Drennan's primary specialty in the NPI Registry, under taxonomy code 207V00000X. Dr. Drennan is licensed in Louisiana.
Specialties and state licenses
- Obstetrics and gynecology, LouisianaPrimary
OB-GYNs near Dr. Drennan
Counts of OB-GYNs 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. Sarah E. Drennan billed Medicare for 11 services in 2016
CMS data shows 11 Medicare services from Dr. Drennan across 1 procedure code in 2016, for 12 Medicare patients. Medicare paid $311 for them. Every service was in a facility, such as a hospital, rather than an office.
Dr. Drennan compared with the Louisiana median for OB-GYNs, 2016
- Dr. Drennan
- Louisiana median
- Medicare services
- 11vs 6483% below
- Medicare patients
- 12vs 4976% below
- Part D claims
- 15vs 7981% below
Medians across 542 OB-GYNs in Louisiana with Dmand AI profiles that report each measure.
Dr. Drennan's most billed Medicare procedure codes, 2016
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. Drennan and other OB-GYNs in Louisiana.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Sarah E. Drennan treated 12 Medicare patients in 2024, average age 72
CMS counts 12 Medicare patients who saw Dr. Drennan in 2024. The largest group is 75 to 84, with 0 patients. Their average risk score is 0.75, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Drennan's median patient age at 32, with 100% women.
Dr. Drennan's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Dr. Drennan's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 32
Patient panel by sex, all payers
- Women100%
- Men0%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Sarah E. Drennan wrote 47 Medicare Part D claims in 2024
In 2024, Dr. Drennan wrote 47 Medicare Part D claims for 17 patients. 91% of them were for generic drugs. CMS names the drug for 15 of them, across 1 drug with 11 or more claims each, at $217 in total drug cost. In 2023, CMS named 13 claims across 1 drug.
Dr. Drennan's Part D claims by kind of drug, 2024
- Generic43 claims91%
- Brand-name and other4 claims9%
Dr. Drennan'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.
Part D claims for drugs CMS names, 2023 to 2024
- 2023
- 2024
- Claims for drugs CMS names
- 2023: 132024: 1515%
Drugs named by CMS: 1 in 2024, 1 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. Sarah E. Drennan takes part in Medicare
Dr. Drennan 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. Sarah E. Drennan received $4,790 in industry payments from 2016 to 2025
CMS Open Payments shows 115 general payments to Dr. Drennan from 38 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 43% of the total. Intuitive Surgical, Inc. paid the most, $2,673.
General payments to Dr. Drennan by program year, 2016 to 2025
General payments to Dr. Drennan by kind, 2016 to 2025
- Food and beverage$2,07843%
- Education$1,62934%
- Travel and lodging$1,08423%
Companies that paid Dr. Drennan 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. Sarah E. Drennan graduated from University of South Carolina School of Medicine
Dr. Drennan graduated from University of South Carolina School of Medicine in 2009.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Sarah E. Drennan'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. Sarah E. Drennan
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. Sarah E. Drennan's NPI number?
Dr. Sarah E. Drennan's NPI number is 1194952135. It was assigned on June 17, 2009, and it is active in the NPI Registry.
What kind of doctor is Dr. Sarah E. Drennan?
Dr. Sarah E. Drennan is an OB-GYN in Baton Rouge, Louisiana. The primary specialty in the NPI Registry is Obstetrics & Gynecology Physician (taxonomy code 207V00000X).
Where does Dr. Sarah E. Drennan practice?
Dr. Drennan practices at 9000 Airline Hwy, Baton Rouge, LA 70815. Dr. Drennan's primary practice is Louisiana Women's Healthcare - Baton Rouge (Airline Hwy) in Baton Rouge, Louisiana. Dmand AI also links Dr. Drennan to 3 medical groups.
What is Dr. Sarah E. Drennan's office phone number?
The practice phone on file for Dr. Drennan is (225) 201-2000.
What is Dr. Sarah E. Drennan's medical license number?
Dr. Drennan holds Louisiana license MD.204559.
What medical group is Dr. Sarah E. Drennan part of?
Dr. Drennan is linked to Ochsner Health. Dmand AI links Dr. Drennan to 3 more medical groups.
Does Dr. Sarah E. Drennan accept Medicare?
Yes. CMS data shows Dr. Drennan billed Medicare for 11 services in 2016, and Dr. Drennan accepts Medicare assignment.
How many Medicare patients does Dr. Sarah E. Drennan see?
CMS counts 12 Medicare patients who saw Dr. Drennan in 2024, with an average age of 72.
What services does Dr. Sarah E. Drennan bill to Medicare?
In 2016, Dr. Drennan's most billed Medicare services were medicare service (G0101).
Where did Dr. Sarah E. Drennan go to medical school?
Dr. Drennan graduated from University of South Carolina School of Medicine in 2009.
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What drugs does Dr. Sarah E. Drennan prescribe most?
In 2024 Medicare Part D data, Dr. Drennan's most prescribed drugs by claims were Estradiol.
Has Dr. Sarah E. Drennan received payments from drug or device companies?
CMS Open Payments shows $4,790 in general payments to Dr. Drennan from 38 companies from 2016 to 2025. The largest total came from Intuitive Surgical, Inc.
How long has Dr. Sarah E. Drennan been practicing?
Dr. Drennan graduated from medical school in 2009, 17 years ago.
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