Physician Profile
Unclaimed ProfileAbout IRWIN
Based in Houston, TX, John F Irwin, M.D. is listed in the NPI registry under obstetrics & gynecology. John is also listed as specialising in gynecology.
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 kind of doctor is Dr. Irwin?
Dr. Irwin is an OB-GYN in Houston, TX. This is the primary taxonomy recorded against the NPI in the federal registry, listed there as “Obstetrics & Gynecology”.
NPI registry
What is Dr. Irwin's address?
Dr. Irwin is listed at 7900 FANNIN ST STE 4000 OBGYN MEDICAL CENTER ASSOCIATES PLLC, Houston, TX 77054. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How can I make an appointment with Dr. Irwin?
The number on file is (713) 512-7500. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
What is Dr. Irwin's NPI number?
Dr. Irwin's National Provider Identifier is 1518960566. 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 long has Dr. Irwin been practising?
Dr. Irwin 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 procedures does Dr. Irwin perform?
According to Medicare billing data, Dr. Irwin performs procedures including insertion of needle into vein for collection of blood sample; reads or performs imaging such as screening mammography and screening 3d breast mammography; provides treatments such as assessment of emotional or behavioral problems, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Has Dr. Irwin confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Irwin. If this is you, claiming it is free.
Guide.md
Licensing & Certification
Source: NPPES NPI Registry
Contact Information
- (713) 512-7500
- Email not available
Practice Locations
7900 FANNIN ST STE 4000 OBGYN MEDICAL CENTER ASSOCIATES PLLC
Houston, TX 77054
Procedures Most Often Billed to Medicare
717 services · 707 patients · 12 distinct codes
| Procedure | Type | Code | Services |
|---|---|---|---|
| Insertion of needle into vein for collection of blood sample | Procedure | 36415 |
11 |
| Screening mammography | Imaging | 77067 |
125 |
| Screening 3d breast mammography | Imaging | 77063 |
124 |
| Dxa bone density measurement of hip, pelvis, spine | Imaging | 77080 |
32 |
| Complete ultrasound scan of 1 breast | Imaging | 76641 |
15 |
| Assessment of emotional or behavioral problems | Treatment | 96127 |
60 |
| Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more | Office visit | 99213 |
135 |
| Stool analysis for blood to screen for colon tumors | Lab test | 82270 |
87 |
| Pelvic exam | Office visit | 99459 |
59 |
| Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more | Office visit | 99214 |
31 |
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.
Other OB-GYNs at this location 2
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 OB-GYNs in Houston 8
Same specialty, same city.
More connections — 8 related providers in 1 group
Also performs Insertion of needle into vein for collection of blood sample 8
Providers in TX who bill this service to Medicare most often.
- Quest Diagnostics Clinical Laboratories INC
- Clinical Pathology Laboratories, INC.
- Quest Diagnostics Clinical Laboratories INC
- Laboratory Corporation of America
- Laboratory Corporation of America
- Lone Star Pathology PLLC
- Medical Clinic of Houston, LLP
- The University of Texas Southwestern Medical Center at Dallas
Provider data sourced from the NPPES NPI Registry and CMS public datasets. Information is provided for reference and is not medical advice.