Christopher Singh, MD
NPI 1083724900 · Ophthalmology Physician · Grand Blanc, MI
Enrolled with Medicare as Practitioner - Ophthalmology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Christopher Singh, MD is a Ophthalmology Physician provider in Grand Blanc, MI (NPI 1083724900).
Provider details
- NPI number
- 1083724900
- Entity type
- Individual
- Primary specialty
- Ophthalmology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 0433684 (KS)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
19 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
3 documented practice locations
- Medicare service volume (vs. specialty peers)25% of score
4,714 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our .
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Imaging of Retina92134 | 1,654 | $37 |
| Injection of Drug Into Eye67028 | 1,149 | $116 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 532 | $121 |
| Extended Exam of the Back Part of the Eye With Optic Nerve Drawing92202 | 329 | $14 |
| Established Patient Complete Exam of Visual System92014 | 282 | $117 |
| Visit Complexity Inherent to Evaluation and Management Associated With Medical Care Services That Serve As the Continuing Focal Point for All Needed Health Care Services And/Or With Medical Care Services That Are Part of Ongoing Care Related to a Patient'SG2211 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 8 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Difluprednate | 197 | 48 |
| Prednisolone Acetate | 177 | 119 |
| Dorzolamide Hcl | 111 | 47 |
| Ketorolac Tromethamine | 76 | 37 |
| Brimonidine Tartrate | 64 | 35 |
| Ofloxacin | 39 | 36 |
| Timolol Maleate | 16 | — |
| Atropine Sulfate | 12 | — |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$2,285 across 14 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Additional practice locations (2)
- 5885 S Main StSte 2Clarkston, MI 48346-2981Phone: (810) 487-4500Fax: (810) 991-8228
- 2025 Holland AvePort Huron, MI 48060-1519Phone: (810) 989-7702
Registry dates
- Enumerated
- 2006-08-30
- Last updated
- 2021-02-09
- Certified
- 2021-02-09
Frequently asked questions
- What is Christopher Singh's NPI number?
- Christopher Singh's National Provider Identifier (NPI) is 1083724900, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Christopher Singh's specialty?
- Christopher Singh is listed in the NPPES registry with a primary specialty of Ophthalmology Physician (Allopathic & Osteopathic Physicians).
- Where is Christopher Singh located?
- Christopher Singh's practice location on file with NPPES is 8562 Holly Rd, Grand Blanc, MI 48439-8301.
- What is Christopher Singh's phone number?
- The practice phone number listed in the NPPES registry for Christopher Singh is (810) 487-4500.
- Does Christopher Singh accept Medicare?
- Christopher Singh is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Christopher Singh's NPI active?
- Yes — Christopher Singh's NPI (1083724900) is active in the NPPES registry as of the last update on 2021-02-09.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.