DR. MARGARET LANG-WILLIAMS (M.D.) – Internal Medicine Physician, NPI 1255389847
Internal Medicine Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
13,290 INTERNAL MEDICINE in TX
Provider Addresses for DR. MARGARET LANG-WILLIAMS (M.D.)
2501 Jimmy Johnson Blvd
Port Arthur, TX 776402007
Phone: (409) 727-7342
Fax: (409) 722-0958
Type: Location
Frostwood Drive, Frostwood, Houston, Harris County, Texas, 77024, United States
HOUSTON, TX 770242301
Phone: (713) 338-6363
Type: Mailing
Gessner Road, Spring Branch, Spring Branch North, Houston, Harris County, Texas, 77043, United States
HOUSTON, TX 770242501
Phone: (281) 516-0212
Type: Location
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 72 Open Payments records for all available years, with a total value of $1,452.
Total Amount is formed as General ($1,452) + Research ($0) + Ownership ($0) = $1,452.
Last reported payment date: 2024-12-10 • Largest payer in this snapshot: Radius Health, Inc. ($331).
Total Amount
$1,452
General + Research + Ownership
Payments
72
Total payment records
General Amount
$1,452
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 |
|---|---|
| Radius Health, Inc. | $331 |
| Amgen Inc. | $145 |
| Esperion Therapeutics, Inc. | $125 |
| Novo Nordisk Inc | $73 |
| Lilly USA, LLC | $56 |
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: 2010-08-12
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 |
|---|---|---|---|---|
| I20100812000482 | I | Internal Medicine | 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 |
|---|---|---|---|---|
| J0897 | Injection, denosumab, 1 mg | 3,360 | 40 | $0 |
| 99213 | Established patient office or other outpatient visit, 20-29 minutes | 368 | 211 | $0 |
| 99232 | Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | 341 | 87 | $0 |
| 99214 | Established patient office or other outpatient visit, 30-39 minutes | 305 | 195 | $0 |
| 99212 | Established patient office or other outpatient visit, 10-19 minutes | 208 | 138 | $0 |
Insurance plans in this area (ZIP 77640)
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Provider's Procedures
Group practice members
| Name | Specialty | State |
|---|---|---|
| - | TX | |
| Internal Medicine | TX |
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