Kweku Grant-Acquah, M.D.
NPI 1831327626 · Ophthalmology Physician · Upland, CA
Enrolled with Medicare as Practitioner - Ophthalmology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Kweku Grant-Acquah, M.D. is a Ophthalmology Physician provider in Upland, CA (NPI 1831327626).
Provider details
- NPI number
- 1831327626
- Entity type
- Individual
- Primary specialty
- Ophthalmology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- A126202 (CA)
Specialties & taxonomies
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
17 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
6 documented practice locations
- Medicare service volume (vs. specialty peers)25% of score
193 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) |
|---|---|---|
| Established Patient Complete Exam of Visual System92014 | 48 | $139 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 44 | $97 |
| Exam to Measure Eye Deviation and Range of Motion92060 | 25 | $69 |
| Measurement of Corneal Curvature and Depth of Eye92136 | 25 | $43 |
| Imaging of Retina92134 | 22 | $44 |
| New Patient Office Or Other Outpatient Visit With Moderate Level of Medical Decision Making, If Using Time, 45 Minutes Or More99204 | 15 | $179 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 9 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Prednisolone Acetate | 269 | 203 |
| Ketorolac Tromethamine | 247 | 191 |
| Ofloxacin | 218 | 192 |
| Latanoprost | 88 | 36 |
| Neomycin/Polymyxin B/Dexamethabrand: Neomycin-Polymyxin-Dexameth | 36 | 33 |
| Brimonidine Tartrate | 23 | 11 |
| Dorzolamide Hcl/Timolol Maleatbrand: Dorzolamide-Timolol | 23 | 13 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$24 across 1 record (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 (5)
- 855 W Foothill BlvdMonrovia, CA 91016-1938Phone: (626) 358-1080
- 9170 Haven Ave Ste 102Rancho Cucamonga, CA 91730-5416Phone: (909) 440-1014
- 6900 Brockton Ave Ste 203Riverside, CA 92506-3818Phone: (951) 682-4353
- 6377 Riverside Ave Ste 170Riverside, CA 92506-3155Phone: (951) 777-2210
- 1595 E 17th StSanta Ana, CA 92705-8506Phone: (714) 984-0788
Registry dates
- Enumerated
- 2009-06-30
- Last updated
- 2025-03-31
- Certified
- 2025-03-31
Frequently asked questions
- What is Kweku Grant-Acquah's NPI number?
- Kweku Grant-Acquah's National Provider Identifier (NPI) is 1831327626, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Kweku Grant-Acquah's specialty?
- Kweku Grant-Acquah is listed in the NPPES registry with a primary specialty of Ophthalmology Physician (Allopathic & Osteopathic Physicians).
- Where is Kweku Grant-Acquah located?
- Kweku Grant-Acquah's practice location on file with NPPES is 494 N Mountain Ave, Upland, CA 91786-5178.
- What is Kweku Grant-Acquah's phone number?
- The practice phone number listed in the NPPES registry for Kweku Grant-Acquah is (909) 552-7200.
- Does Kweku Grant-Acquah accept Medicare?
- Kweku Grant-Acquah is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Kweku Grant-Acquah's NPI active?
- Yes — Kweku Grant-Acquah's NPI (1831327626) is active in the NPPES registry as of the last update on 2025-03-31.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.