DR. DAVID ALEXANDER MACLENNAN (DC) – Chiropractor, NPI 1770605743
Chiropractor
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
2,110 CHIROPRACTIC in TX
Provider Addresses for DR. DAVID ALEXANDER MACLENNAN (DC)
2009 13TH ST
BAY CITY, TX 774144339
Phone: (979) 245-7374
Fax: (979) 323-7460
Mailing address matches the actual address.
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: 2006-01-12
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 |
|---|---|---|---|---|
| I20060112001067 | I | Chiropractic | 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 |
|---|---|---|---|---|
| 98940 | Chiropractic manipulative treatment, 1-2 spinal regions | 268 | 31 | $0 |
| 98941 | Chiropractic manipulative treatment, 3-4 spinal regions | 203 | 29 | $0 |
Insurance plans in this area (ZIP 77414)
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Provider's Procedures
| Specialty | Practice State | HCPCS Code | Description | Service Count | Beneficiary Count |
|---|---|---|---|---|---|
| CHIROPRACTIC | TX | 98940 | Chiropractic manipulative treatment, 1-2 spinal regions | 249 | 40 |
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