HOWARD R MERTZ (M.D.) – Gastroenterology Physician, NPI 1649278474
Gastroenterology Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
401 GASTROENTEROLOGY in TN
Loading map...
Provider Addresses for HOWARD R MERTZ (M.D.)
Woodmont Boulevard, Nashville, Davidson County, Tennessee, 37204, United States
SUITE LL50
NASHVILLE, TN 372052245
Phone: (615) 386-2361
Fax: (615) 386-2399
Type: Mailing
Harding Road, Belle Meade, Davidson County, Tennessee, 37205, United States
SUITE 309 MEDICAL PLAZA WEST
NASHVILLE, TN 372052013
Phone: (615) 383-0165
Fax: (615) 292-4657
Type: Location
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
Loading prescription activity...
Open Payments (CMS)
CMS reports 344 Open Payments records for all available years, with a total value of $6,639.
Total Amount is formed as General ($6,639) + Research ($0) + Ownership ($0) = $6,639.
Last reported payment date: 2024-12-19 • Largest payer in this snapshot: ABBVIE INC. ($1,770).
Total Amount
$6,639
General + Research + Ownership
Payments
344
Total payment records
General Amount
$6,639
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-12-19
Latest reported date
Top Companies
Largest payers in this snapshot
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: 2011-03-02
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 |
|---|---|---|---|---|
| I20110302000373 | I | Gastroenterology | TN | 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 |
|---|---|---|---|---|
| 99439 | Chronic care management services for two or more chronic conditions, additional 20 minutes of clinical staff time directed by health care professional, per calendar month | 1,267 | 89 | $0 |
| 99490 | Chronic care management services, first 20 minutes of clinical staff time directed by health care professional, per calendar month | 712 | 91 | $0 |
| 99214 | Established patient office or other outpatient visit, 30-39 minutes | 207 | 153 | $0 |
| 45380 | Biopsy of large bowel using a flexible endoscope | 102 | 102 | $0 |
| 43235 | Diagnostic exam of esophagus, stomach, and/or upper small bowel using a flexible endoscope | 102 | 101 | $0 |
Insurance plans in this area (ZIP 37205)
Loading plans...
Provider's Procedures
Group practice members
| Name | Specialty | State |
|---|---|---|
| Nurse Practitioner | TN | |
| - | TN | |
| Family Practice, Sports Medicine | TN | |
| Family Practice, General Practice | TN | |
| - | TN | |
| - | TN | |
| - | TN | |
| Internal Medicine | TN | |
| Nurse Practitioner | TN | |
| - | TN |
Reviews
All reviews are moderated before publication. Reviews reflect users' opinions; we do not verify the accuracy of individual reviews.
No reviews yet. Be the first to share your experience — your opinion helps families compare providers.