DR. HOWARD HAO ZHANG (M.D.) – Gastroenterology Physician, NPI 1851302863
Gastroenterology Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
863 GASTROENTEROLOGY in OH
Provider Addresses for DR. HOWARD HAO ZHANG (M.D.)
12301 Snow Rd
Parma, OH 441301002
Phone: (216) 445-4900
Fax: (216) 265-4375
Type: Location
10600 MONTGOMERY RD STE 300
MONTGOMERY, OH 452424464
Phone: (513) 853-9250
Fax: (513) 281-1908
Type: Location
12301, Snow Road, Parma, Cuyahoga County, Ohio, 44130, United States
PARMA, OH 441301002
Phone: (216) 445-4900
Fax: (216) 265-4375
Type: Mailing
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 154 Open Payments records for all available years, with a total value of $3,539.
Total Amount is formed as General ($3,539) + Research ($0) + Ownership ($0) = $3,539.
Last reported payment date: 2024-12-18 • Largest payer in this snapshot: ABBVIE INC. ($1,096).
Total Amount
$3,539
General + Research + Ownership
Payments
154
Total payment records
General Amount
$3,539
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-12-18
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| ABBVIE INC. | $1,096 |
| Janssen Biotech, Inc. | $504 |
| Phathom Pharmaceuticals, Inc. | $405 |
| Madrigal Pharmaceuticals | $305 |
| Takeda Pharmaceuticals U.S.A., Inc. | $259 |
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: 2006-10-23
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 |
|---|---|---|---|---|
| I20061023000320 | I | Gastroenterology | OH | 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 |
|---|---|---|---|---|
| 45380 | Biopsy of large bowel using a flexible endoscope | 147 | 147 | $0 |
| 45385 | Removal of polyps or growths of large bowel using an endoscope with mechanical snare | 134 | 134 | $0 |
| 43239 | Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope | 66 | 65 | $0 |
| 99214 | Established patient office or other outpatient visit, 30-39 minutes | 56 | 49 | $0 |
| 99204 | New patient office or other outpatient visit, 45-59 minutes | 46 | 46 | $0 |
Insurance plans in this area (ZIP 44130)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| O B S T E T R I C S/ G Y N E C O L O G Y | OH | |
| Radiation Oncology | OH | |
| O T O L A R Y N G O L O G Y | OH | |
| P O D I A T R Y | OH | |
| Physician Assistant | OH | |
| H O S P I T A L I S T | MD | |
| Nurse Practitioner | CO | |
| H O S P I T A L I S T | IL | |
| Physical Therapist In Private Practice | OH | |
| Physical Therapist In Private Practice | OH |
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