MR. ANDREW ALEXANDER MACLACHLAN (M.D.) – Anesthesiology Physician, NPI 1447243449
Anesthesiology Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
4,591 ANESTHESIOLOGY in TX
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Provider Addresses for MR. ANDREW ALEXANDER MACLACHLAN (M.D.)
1734, Santa Fe Street, Corpus Christi, Nueces County, Texas, 78404, United States
CORPUS CHRISTI, TX 784041857
Phone: (361) 883-6211
Fax: (361) 882-4891
Type: Mailing
CHRISTUS Spohn Hospital Corpus Christi - Shoreline, 600, Elizabeth Street, Corpus Christi, Nueces County, Texas, 78404, United States
CORPUS CHRISTI, TX 784042235
Phone: (361) 881-3000
Fax: (361) 882-4891
Type: Location
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 3 Open Payments records for all available years, with a total value of $57.
Total Amount is formed as General ($57) + Research ($0) + Ownership ($0) = $57.
Last reported payment date: 2024-02-29 • Largest payer in this snapshot: Merck Sharp & Dohme LLC ($57).
Total Amount
$57
General + Research + Ownership
Payments
3
Total payment records
General Amount
$57
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-02-29
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| Merck Sharp & Dohme LLC | $57 |
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: 2018-06-22
PECOS data refreshed: 2026-05-27
Medicare revalidation (CMS due date list)
Due date not assigned yet
CMS is tracking 2 Medicare enrollment records; no due dates published yet.
Enrollment records
2
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 |
|---|---|---|---|---|
| I20040316000564 | I | Anesthesiology | TX | TBD |
| I20180622001979 | I | Anesthesiology | OK | 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 |
|---|---|---|---|---|
| 00670 | Anesthesia for extensive surgery on spine | 23 | 22 | $0 |
| 00731 | Anesthesia for other procedure on esophagus, stomach, or upper small bowel using an endoscope | 18 | 18 | $0 |
| 00790 | Anesthesia for other procedure on upper abdomen | 11 | 11 | $0 |
| 64450 | Injection of anesthetic agent and/or steroid into other nerve or branch | 11 | 11 | $0 |
Insurance plans in this area (ZIP 78404)
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Provider's Procedures
Group practice members
| Name | Specialty | State |
|---|---|---|
| Certified Registered Nurse Anesthetist (Crna) | IN | |
| - | TX | |
| A N E S T H E S I O L O G Y | TX | |
| Certified Registered Nurse Anesthetist (Crna) | TX | |
| A N E S T H E S I O L O G Y | TX | |
| A N E S T H E S I O L O G Y | OH | |
| Certified Registered Nurse Anesthetist (Crna) | TX | |
| Certified Registered Nurse Anesthetist (Crna) | TX | |
| - | TX | |
| Certified Registered Nurse Anesthetist (Crna) | TX |
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