DR. LAYLA HAJJAFAR (MD) – Gastroenterology Physician, NPI 1528195484
Gastroenterology Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
489 GASTROENTEROLOGY in MO
Provider Addresses for DR. LAYLA HAJJAFAR (MD)
3635 VISTA AVE
SAINT LOUIS, MO 631102539
Phone: (314) 577-8764
Type: Mailing
200 BREVCO PLZ
SUITE 208
LAKE ST LOUIS, MO 633672949
Phone: (636) 561-9020
Type: Location
PO BOX 843966
KANSAS CITY, MO 641843966
Phone: (573) 884-3300
Fax: (573) 884-0943
Type: Mailing
101 S FAIRVIEW RD
COLUMBIA, MO 652037637
Phone: (573) 884-7600
Fax: (573) 884-8200
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: 2011-10-31
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 |
|---|---|---|---|---|
| I20111031000552 | I | Gastroenterology | MO | 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 |
|---|---|---|---|---|
| 99232 | Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | 96 | 45 | $0 |
| 99222 | Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes | 66 | 60 | $0 |
| 99214 | Established patient office or other outpatient visit, 30-39 minutes | 48 | 35 | $0 |
| 99204 | New patient office or other outpatient visit, 45-59 minutes | 34 | 34 | $0 |
| 43239 | Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope | 31 | 27 | $0 |
Insurance plans in this area (ZIP 63110)
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Provider's Procedures
| Specialty | Practice State | HCPCS Code | Description | Service Count | Beneficiary Count |
|---|---|---|---|---|---|
| GASTROENTEROLOGY | MO | 45385 | Removal of polyps or growths of large bowel using an endoscope | 31 | 31 |
Group practice members
| Name | Specialty | State |
|---|---|---|
| Hospitalist, Internal Medicine | MO | |
| Diagnostic Radiology | MO | |
| Nurse Practitioner | MO | |
| Internal Medicine | MO | |
| Cardiovascular Disease (Cardiology) | KS | |
| Family Practice | MO | |
| Hospitalist, Internal Medicine | MO | |
| - | MO | |
| O B S T E T R I C S/ G Y N E C O L O G Y | MO | |
| - | MO |
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