DAVID C PARRIS (MD) – Internal Medicine Physician, NPI 1154403921
Internal Medicine Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
21,511 INTERNAL MEDICINE in CA
Provider Addresses for DAVID C PARRIS (MD)
PO BOX 74567
CLEVELAND, OH 441940002
Phone: (216) 383-6776
Fax: (216) 383-6745
Type: Mailing
8510 BALBOA BLVD STE 150
NORTHRIDGE, CA 913255810
Phone: (818) 654-3400
Fax: (818) 654-3415
Type: Mailing
12660 RIVERSIDE DR STE 310
NORTH HOLLYWOOD, CA 916073431
Phone: (818) 755-0391
Fax: (818) 753-8165
Type: Location
Mentor Avenue, The Reserves of Willoughby, Mentor, Lake County, Ohio, 44094, United States
MENTOR, OH 440604497
Phone: (440) 974-4404
Fax: (440) 974-4164
Type: Location
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 15 Open Payments records for all available years, with a total value of $315.
Total Amount is formed as General ($315) + Research ($0) + Ownership ($0) = $315.
Last reported payment date: 2024-12-03 • Largest payer in this snapshot: Merck Sharp & Dohme LLC ($116).
Total Amount
$315
General + Research + Ownership
Payments
15
Total payment records
General Amount
$315
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-12-03
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| Merck Sharp & Dohme LLC | $116 |
| GlaxoSmithKline, LLC. | $76 |
| ABBVIE INC. | $33 |
| Novo Nordisk Inc | $31 |
| Lilly USA, LLC | $29 |
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: 2020-04-20
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 |
|---|---|---|---|---|
| I20090216000511 | I | Internal Medicine | OH | TBD |
| I20200420001539 | I | Internal Medicine | CA | 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 |
|---|---|---|---|---|
| 99213 | Established patient office or other outpatient visit, 20-29 minutes | 40 | 19 | $0 |
| 99214 | Established patient office or other outpatient visit, 30-39 minutes | 39 | 28 | $0 |
| 99442 | Telephone medical discussion with physician, 11-20 minutes | 16 | 12 | $0 |
| 99441 | Telephone medical discussion with physician, 5-10 minutes | 15 | 12 | $0 |
| G0009 | Administration of pneumococcal vaccine | 12 | 12 | $0 |
Insurance plans in this area (ZIP 44194)
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Provider's Procedures
| Specialty | Practice State | HCPCS Code | Description | Service Count | Beneficiary Count |
|---|---|---|---|---|---|
| INTERNAL MEDICINE | OH | 83036 | Hemoglobin A1C level | 162 | 83 |
Group practice members
| Name | Specialty | State |
|---|---|---|
| Family Practice | CA | |
| Internal Medicine | CA | |
| Family Practice | CA | |
| Family Practice, Emergency Medicine | TX | |
| General Practice | CA | |
| Internal Medicine | CA | |
| Family Practice | CA |
Reviews
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