DR. HAL FREDRICK MARTENS (D.O.) – Rheumatology Physician, NPI 1942205992
Rheumatology Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
503 RHEUMATOLOGY in TX
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Provider Addresses for DR. HAL FREDRICK MARTENS (D.O.)
2217, South Sycamore Street, Palestine, Anderson County, Texas, 75801, United States
INTERNAL MEDICINE ASSOCIATES
PALESTINE, TX 758014786
Phone: (903) 729-3993
Type: Mailing
4205 BELFORT RD STE 4015
JACKSONVILLE, FL 322163623
Phone: (904) 450-6063
Fax: (904) 539-4091
Type: Mailing
9375 EMERALD COAST PKWY W STE 1
MIRAMAR BEACH, FL 325507275
Phone: (850) 278-3460
Fax: (850) 278-3459
Type: Location
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
No Open Payments data available for this provider.
This can happen when there are no reportable CMS Open Payments records.
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: 2021-11-11
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 |
|---|---|---|---|---|
| I20211111000715 | I | Rheumatology | FL | 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 | 483 | 256 | $0 |
| 99204 | New patient office or other outpatient visit, 45-59 minutes | 107 | 107 | $0 |
| 99213 | Established patient office or other outpatient visit, 20-29 minutes | 76 | 70 | $0 |
| 99203 | New patient office or other outpatient visit, 30-44 minutes | 19 | 19 | $0 |
| 99215 | Established patient office or other outpatient visit, 40-54 minutes | 11 | 11 | $0 |
Insurance plans in this area (ZIP 75801)
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Provider's Procedures
| Specialty | Practice State | HCPCS Code | Description | Service Count | Beneficiary Count |
|---|---|---|---|---|---|
| RHEUMATOLOGY | TX | 20610 | Aspiration and/or injection of large joint or joint capsule | 88 | 58 |
Group practice members
| Name | Specialty | State |
|---|---|---|
| Nurse Practitioner | FL | |
| - | FL | |
| Nurse Practitioner | FL | |
| - | FL | |
| - | FL | |
| Nephrology, Internal Medicine | FL | |
| Interventional Cardiology | AL | |
| Nurse Practitioner | FL | |
| Physician Assistant | FL | |
| Orthopedic Surgery | FL |
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