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Edit this profileAt a glance
- 624 Highway 90, Bay Saint Louis, MS 39520
About Dr. Brennan
Matthew P. Brennan, MD practices general practice in Bay Saint Louis, MS. According to Medicare claims data, Matthew cared for 1,846 Medicare patients across 10,160 services. The services billed most often include subsequent nursing facility care with high level of medical decision making, per day, if using time, at least 45 minutes, subsequent nursing facility care with moderate level of medical decision making, per day, if using time, at least 30 minutes, and removal of muscle and/or tissue, 20.0 sq cm or less. The provider's National Provider Identifier (NPI) is 1174799688.
Factual summary compiled by Guide.md from public records; not written by this provider.
Education & Training
Specialty
Credentials & Licensing
Medicare information
Exactly as CMS reports it (National Downloadable File, Opt-Out Affidavits, Order & Referring). Not an insurance directory; confirm coverage with the office.
Contact Information
- (228) 467-9905
- Email not available
Is this your home address or personal number? Hide it
Practice Locations
624 HIGHWAY 90
Bay Saint Louis, MS 39520
Conditions Commonly Evaluated or Treated
Within General Practice generally. Availability varies by clinician, training and location — this profile has not been claimed, so nothing here is a personal claim by the provider.
Conditions
Digestive health
- Food Poisoning
- Hemorrhoids
- IBS
Rashes & allergy
Most searched conditions
Blood disorders
Bone health
Brain & Nerves
Digestive Health
Ear, Nose & Throat
Endocrine
Eye Care
Foot & Ankle
General Health
Heart & Circulation
Infections
Joint & Muscle
Lungs & Breathing
Men's Health
Mental Health
Pain
Pain & Joints
Skin
Skin & Hair
Sleep
Urinary & Kidney
- Urinary incontinence in women
Weight & Metabolism
Women's Health
Procedures & services
Diagnostic testing
- Diabetes Screening and A1C Test
- Heart monitor
- Spirometry
Heart & Circulation
Infection & Microbiology Tests
Infections & Screening
- Cholesterol Check
- COVID-19 testing
- STI Testing
- Urine Drug Screen
Injections
- Antibiotic Injection
Lab tests
- Rapid flu test
- Rapid Mono Test
- Rapid strep testing
- Urinalysis
- Vaccine Titer Test
Men's Health
Mental health
Minor Surgery
- Superficial foreign-body removal
- Incision and drainage of an abscess
- Ingrown toenail removal
- Mole removal
- Skin Tag Removal
- Wart Removal
Physical exams
- Daycare Physical
Prescriptions & Medications
Routine Blood Tests
Sleep
Vaccines
- Shingles And Senior Vaccinations
- HPV vaccine
- Routine Vaccines
- Tetanus shot
- Travel vaccines
Weight & Metabolism
Women's Health
- Depo Shot
- Pregnancy Confirmation Test
- Birth control counseling
- IUD Removal
- Pap smear
- Pelvic exam
Wound Care
Most searched procedures
Dermatology
Ear, Nose & Throat
- Earwax removal
Exams & Clearances
Hormone therapy
- Hormone replacement therapy
Lungs & Breathing
Pain & Injections
Pain & Joints
Pain management
Preventive care
Preventive Care
Procedures Most Often Billed to Medicare
10,160 services · 1,846 patients · 11 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Removal of muscle and/or tissue, 20.0 sq cm or less | Procedure | 11043 |
1,622 | More than most peers in General Practice |
| Removal of muscle and/or tissue, each additional 20.0 sq cm or less | Procedure | 11046 |
1,415 | Too few peers to compare |
| Removal of bone, each additional 20.0 sq cm or less | Procedure | 11047 |
1,309 | Too few peers to compare |
| Removal of skin and tissue, 20.0 sq cm or less | Procedure | 11042 |
628 | More often than most peers in General Practice |
| Removal of bone, 20.0 sq cm or less | Procedure | 11044 |
579 | Too few peers to compare |
| Removal of skin and tissue, each additional 20.0 sq cm or less | Procedure | 11045 |
421 | More than most peers in General Practice |
| Application of chemical to stop tissue regrowth in wound | Procedure | 17250 |
22 | Less often than most peers in General Practice |
| Subsequent nursing facility care with high level of medical decision making, per day, if using time, at least 45 minutes | Office visit | 99310 |
2,067 | More than most peers in General Practice |
| Subsequent nursing facility care with moderate level of medical decision making, per day, if using time, at least 30 minutes | Office visit | 99309 |
1,824 | More often than most peers in General Practice |
| Initial nursing facility care with moderate level of medical decision making, per day, if using time, at least 35 minutes | Office visit | 99305 |
166 | More often than most peers in General Practice |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Related providers
Connections drawn from the registry and from what providers have told us. A link here is not a referral or an endorsement.
Also at this address 1
Providers at the same street address. Each files their own registry entry, so a shared practice often appears under several different names.
Trained at Other 8
Other providers in the same specialty who trained at the same institution.
Class of 2001 at Other 8
Providers who graduated from the same medical school in the same year.
Common questions
What is Dr. Brennan's specialty?
Dr. Brennan is a general practitioner in Bay Saint Louis, MS. That is the designation recorded for this NPI in the federal registry, where it is listed as “General Practice”.
NPI registry
Where can I find Dr. Brennan?
Dr. Brennan is listed at 624 Highway 90, Bay Saint Louis, MS 39520. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How do I contact Dr. Brennan?
The number on file is (228) 467-9905. Contact the office directly to confirm availability and scheduling.
NPI registry
What is Dr. Brennan's NPI number?
Dr. Brennan's National Provider Identifier is 1174799688. It is issued by the Centers for Medicare & Medicaid Services and is unique and permanent — it does not change if they move practice.
NPI registry
What is Dr. Brennan's medical education?
Dr. Brennan attended Other, graduating in 2001. This comes from the CMS National Downloadable File.
CMS public data
How long has Dr. Brennan been practicing?
Dr. Brennan has 25 years experience. Calculated from a graduation year of 2001, reported in the CMS National Downloadable File.
CMS public data
What is Dr. Brennan known for?
According to Medicare billing data, Dr. Brennan performs procedures including removal of muscle and/or tissue, 20.0 sq cm or less, removal of muscle and/or tissue, each additional 20.0 sq cm or less and removal of bone, each additional 20.0 sq cm or less, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Has Dr. Brennan confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Brennan. If this is you, claiming it is free.
Guide.md
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