DR. ROBERT C VANZANT (M.D.) – Family Medicine Physician, NPI 1104821016
Family Medicine Physician
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Doctor Profile
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Profile Insights
NPPES metrics only — not quality of care.
8,706 FAMILY PRACTICE in TX
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Provider Addresses for DR. ROBERT C VANZANT (M.D.)
PO BOX 392929
PITTSBURGH, PA 152519900
Phone: (713) 461-2915
Fax: (713) 431-5307
Type: Mailing
Katy Freeway, Houston, Harris County, Texas, 77201, United States
SUITE 200
HOUSTON, TX 770241624
Phone: (713) 461-2915
Fax: (713) 431-5307
Type: Mailing
21820 KATY FWY STE 200
KATY, TX 774497901
Phone: (713) 461-2915
Fax: (713) 461-5307
Type: Location
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 116 Open Payments records for all available years, with a total value of $1,982.
Total Amount is formed as General ($1,982) + Research ($0) + Ownership ($0) = $1,982.
Last reported payment date: 2024-12-10 • Largest payer in this snapshot: GlaxoSmithKline, LLC. ($361).
Total Amount
$1,982
General + Research + Ownership
Payments
116
Total payment records
General Amount
$1,982
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-12-10
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| GlaxoSmithKline, LLC. | $361 |
| Novo Nordisk Inc | $316 |
| ABBVIE INC. | $211 |
| AstraZeneca Pharmaceuticals LP | $70 |
| PFIZER INC. | $63 |
Medicare Enrollment & Revalidation
Source: CMS public data · Not endorsed by CMS ·
Educational use only—not medical, billing, or legal advice.
PECOS enrollment status
Participating (accepts Medicare assignment)
Enrollment effective: 2011-04-14
PECOS data refreshed: 2026-05-27
Medicare revalidation (CMS due date list)
Due date not assigned yet
CMS is tracking this Medicare enrollment for revalidation, but has not published a due date.
Enrollment records
1
Earliest due date
Not assigned (TBD)
CMS data updated
2026-06-01
Revalidation progress
- Medicare enrolled
- On CMS revalidation list
- Due date assigned
- Revalidate in PECOS
CMS enrollment records
| Enrollment ID | Type | Specialty | State | Due date |
|---|---|---|---|---|
| I20110414000711 | I | Family Practice | TX | TBD |
What to do next
- No action required while the due date shows TBD.
- Check the CMS Revalidation Lookup Tool periodically — CMS updates the list about every 60 days.
- Do not submit a revalidation application in PECOS until CMS publishes a concrete due date.
Prepare CMS-855 application → · Look up this NPI in PECOS → · Verify on CMS PECOS
Medicare Utilization (FFS)
Source: CMS public data · Not endorsed by CMS · Beneficiary counts under 11 are suppressed in source data ·
Educational use only—not medical, billing, or legal advice.
Top Medicare procedures (2023) · refreshed 2026-05-27
| HCPCS | Description | Services | Beneficiaries | Medicare allowed |
|---|---|---|---|---|
| 99214 | Established patient office or other outpatient visit, 30-39 minutes | 463 | 284 | $0 |
| 80053 | Blood test, comprehensive group of blood chemicals | 394 | 285 | $0 |
| 80061 | Blood test, lipids (cholesterol and triglycerides) | 328 | 262 | $0 |
| G0439 | Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit | 257 | 257 | $0 |
| 83036 | Hemoglobin a1c level | 201 | 158 | $0 |
Insurance plans in this area (ZIP 15251)
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Provider's Procedures
| Specialty | Practice State | HCPCS Code | Description | Service Count | Beneficiary Count |
|---|---|---|---|---|---|
| FAMILY MEDICINE | TX | 90670 | Pneumococcal vaccine for injection into muscle | 54 | 54 |
Group practice members
| Name | Specialty | State |
|---|---|---|
| Family Practice | TX | |
| Internal Medicine, Endocrinology | TX | |
| Family Practice | TX | |
| Physician Assistant | TX | |
| Nurse Practitioner | TX | |
| Nurse Practitioner | TX | |
| Physician Assistant | TX | |
| - | TX | |
| Family Practice | TX | |
| Internal Medicine | TX |
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