Charlotte Ng, M.D.
NPI 1245490937 · Cardiovascular Disease Physician · Grand Blanc, MI
Enrolled with Medicare as Practitioner - Cardiovascular Disease (cardiology) · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Charlotte Ng, M.D. is a Cardiovascular Disease Physician provider in Grand Blanc, MI (NPI 1245490937).
Provider details
- NPI number
- 1245490937
- Entity type
- Individual
- Primary specialty
- Cardiovascular Disease PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Female
- Sole proprietor
- No
- License
- 39609 (IA)
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
18 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
1,777 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 Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 342 | $122 |
| Routine Electrocardiogram (ecg) Using at Least 12 Leads With Interpretation and Report93000 | 328 | $14 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 35 Minutes99232 | 202 | $76 |
| Routine Electrocardiogram (ecg) Using at Least 12 Leads With Interpretation and Report Only93010 | 167 | $8 |
| Ultrasound of Heart With Color-Depicted Blood Flow, Rate, Direction and Valve Function93306 | 109 | $180 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 44 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 331 | 100 |
| Metoprolol Succinate | 322 | 93 |
| Apixabanbrand: Eliquis | 293 | 84 |
| Carvedilol | 202 | 54 |
| Metoprolol Tartrate | 186 | 60 |
| Furosemide | 169 | 51 |
| Losartan Potassium | 164 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$3,546 across 134 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
Registry dates
- Enumerated
- 2008-06-16
- Last updated
- 2018-10-06
Frequently asked questions
- What is Charlotte Ng's NPI number?
- Charlotte Ng's National Provider Identifier (NPI) is 1245490937, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Charlotte Ng's specialty?
- Charlotte Ng is listed in the NPPES registry with a primary specialty of Cardiovascular Disease Physician (Allopathic & Osteopathic Physicians).
- Where is Charlotte Ng located?
- Charlotte Ng's practice location on file with NPPES is 9450 S Saginaw Rd Ste E, Grand Blanc, MI 48439-8206.
- What is Charlotte Ng's phone number?
- The practice phone number listed in the NPPES registry for Charlotte Ng is (810) 428-6227.
- Does Charlotte Ng accept Medicare?
- Charlotte Ng is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Charlotte Ng's NPI active?
- Yes — Charlotte Ng's NPI (1245490937) is active in the NPPES registry as of the last update on 2018-10-06.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.