Physician Profile
Unclaimed ProfileAbout O'BRIEN
Based in Memphis, TN, Thomas F O'Brien, M.D. is listed in the NPI registry under anatomic & clinical pathology. Medicare claims data shows Thomas provided 815 services to 536 patients.
Summarised automatically from public NPI registry and CMS Medicare data. Not written or reviewed by this provider. Claim this profile to replace it.
Areas of Expertise
Common questions
What is Dr. O'Brien's specialty?
Dr. O'Brien is an anatomic & clinical pathology in Memphis, TN. This is the primary taxonomy recorded against the NPI in the federal registry, listed there as “Anatomic & Clinical Pathology”.
NPI registry
Where can I find Dr. O'Brien?
Dr. O'Brien is listed at 3495 HACKS CROSS RD, Memphis, TN 38125. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How do I contact Dr. O'Brien?
The number on file is (901) 526-7444. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
What is the NPI for Dr. O'Brien?
Dr. O'Brien's National Provider Identifier is 1336124973. 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
How much experience does Dr. O'Brien have?
Dr. O'Brien has 21+ years experience. Registered with an NPI since 2005. National Provider Identifiers only began in 2005, so a provider who qualified earlier may have practised for longer than this.
NPI registry
What is Dr. O'Brien known for?
According to Medicare billing data, Dr. O'Brien the Medicare record under this individual NPI shows mainly office visits and diagnostic testing. Hospital-based physicians usually have their procedural work billed by the facility rather than under their own number, so this is a floor on their practice, not a description of it. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Is Dr. O'Brien's profile verified?
Not yet. This profile is built from public federal data and has not been confirmed by Dr. O'Brien. If this is you, claiming it is free.
Guide.md
Licensing & Certification
Source: NPPES NPI Registry
Contact Information
- (901) 526-7444
- Email not available
Practice Locations
3495 HACKS CROSS RD
Memphis, TN 38125
Procedures Most Often Billed to Medicare
815 services · 536 patients · 8 distinct codes
| Procedure | Type | Code | Services |
|---|---|---|---|
| Pathology examination of tissue using a microscope, intermediate complexity | Lab test | 88305 |
619 |
| Pathology examination of tissue using a microscope, moderately low complexity | Lab test | 88304 |
50 |
| Special stained specimen slides to identify organisms including interpretation and report | Lab test | 88312 |
39 |
| Special stained specimen slides to examine tissue, each additional procedure | Lab test | 88341 |
30 |
| Special stained specimen slides to examine tissue, initial procedure | Lab test | 88342 |
23 |
| Preparation of tissue for examination by removing any calcium present | Lab test | 88311 |
20 |
| Special stained specimen slides to examine tissue including interpretation and report | Lab test | 88313 |
18 |
| Microscopic genetic analysis of tumor, manual | Lab test | 88360 |
16 |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
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Claim this profileRelated providers
Connections drawn from the registry and from what providers have told us. A link here is not a referral or an endorsement.
Other anatomic & clinical pathology specialists at this location 7
Same specialty, same street address — most likely the same department or group.
Also at this address 4
Providers at the same street address. Each files their own registry entry, so a shared practice often appears under several different names.
Other anatomic & clinical pathology specialists in Memphis 8
Same specialty, same city.
Provider data sourced from the NPPES NPI Registry and CMS public datasets. Information is provided for reference and is not medical advice.