DR. CHRISTOPHER NARESH SINGH (MD) – Ophthalmology Physician, NPI 1083724900
Ophthalmology Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
844 OPHTHALMOLOGY in MI
Provider Addresses for DR. CHRISTOPHER NARESH SINGH (MD)
8562 HOLLY RD
GRAND BLANC, MI 484398301
Phone: (810) 487-4500
Fax: (810) 991-8228
Type: Mailing
2025 Holland Ave
Port Huron, MI 480601519
Phone: (810) 989-7702
Type: Location
South Main Street, Clarkston, Oakland County, Michigan, 48346, United States
STE 2
CLARKSTON, MI 483462981
Phone: (810) 487-4500
Fax: (810) 991-8228
Type: Mailing
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 37 Open Payments records for all available years, with a total value of $13,641.
Total Amount is formed as General ($7,417) + Research ($6,224) + Ownership ($0) = $13,641.
Last reported payment date: 2024-11-18 • Largest payer in this snapshot: Alimera Sciences, Inc. ($13,138).
Total Amount
$13,641
General + Research + Ownership
Payments
37
Total payment records
General Amount
$7,417
General payments
Research Amount
$6,224
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-11-18
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| Alimera Sciences, Inc. | $13,138 |
| Apellis Pharmaceuticals, Inc. | $126 |
| Regeneron Healthcare Solutions, Inc. | $109 |
| Genentech USA, Inc. | $75 |
| Astellas Pharma US Inc | $70 |
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: 2007-06-25
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 |
|---|---|---|---|---|
| I20070625000354 | I | Ophthalmology | MI | 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 |
|---|---|---|---|---|
| J2777 | Injection, faricimab-svoa, 0.1 mg | 26,220 | 90 | $0 |
| 92134 | Imaging of retina | 1,562 | 532 | $0 |
| 67028 | Injection of drug into eye | 1,118 | 249 | $0 |
| J0178 | Injection, aflibercept, 1 mg | 728 | 95 | $0 |
| 99214 | Established patient office or other outpatient visit, 30-39 minutes | 452 | 264 | $0 |
Insurance plans in this area (ZIP 48439)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| O P H T H A L M O L O G Y | MI | |
| O P H T H A L M O L O G Y | MI | |
| O P H T H A L M O L O G Y | MI | |
| O P H T H A L M O L O G Y | OH | |
| O P T O M E T R Y | MI | |
| O P H T H A L M O L O G Y | MI | |
| O P H T H A L M O L O G Y | MI | |
| O P T O M E T R Y | MI |
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