DR. CHARLOTTE NG M.D.
NPI 1245490937
Internal Medicine - Cardiovascular Disease in Grand Blanc, MI

Q: What is Charlotte Ng's NPI number?

The NPI number for Charlotte Ng is 1245490937. It was assigned to this individual provider in the NPPES registry on June 16, 2008.

Q: What is Charlotte Ng's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Cardiovascular Disease, with taxonomy code 207RC0000X.

Q: When was this NPI record last updated?

The NPPES record for Charlotte Ng was last updated on October 6, 2018. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 8 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.

Active since June 16, 2008PECOS Enrolled

97.5/100

CMS Quality Rating

9450 S SAGINAW RD STE E, GRAND BLANC, MI 48439(810) 428-6227(810) 771-7410 Get Directions Write a Review

NPPES record last updated: October 6, 2018. Verified against the NPPES registry weekly; last sync: October 18, 2026.

On this page

About Dr. Charlotte Ng M.d. NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

DR. CHARLOTTE NG M.D. (NPI 1245490937) is an individual cardiovascular disease provider in Grand Blanc, Michigan, licensed in Michigan (4301097235) and active in the NPI registry since June 2008. She is enrolled in Medicare PECOS, is affiliated with Henry Ford Health Hospital, and is a graduate of Other (2004).

NPPES Registry Identity

NPI1245490937

Entity TypeIndividualFemale

Primary Taxonomy207RC0000X

Provider Legal NameDR. CHARLOTTE NGCredential: M.D.

Location Address9450 S SAGINAW RD STE EGrand Blanc, MI 48439-8206

Mailing Address9450 S Saginaw Rd Ste EGrand Blanc, MI 48439-8206 · (810) 428-6227 · Fax (810) 771-7410

Phone(810) 428-6227

Fax(810) 771-7410

Sole ProprietorNo

Medical School CMSOtherGraduated 2004

Enumeration DateJune 16, 2008

Last NPPES UpdateOctober 6, 2018

✔ NPI 1245490937 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal Medicine · Cardiovascular DiseaseAllopathic & Osteopathic Physicians

Taxonomy Code207RC0000X

Licenses✔ Licensed in MI · 4301097235✔ Licensed in IA · 39609

Definition

An internist who specializes in diseases of the heart and blood vessels and manages complex cardiac conditions such as heart attacks and life-threatening, abnormal heartbeat rhythms.

9450 S SAGINAW RD STE E, Grand Blanc, MI 48439

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Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Ambetter from Buckeye Health Plan, Ambetter from Meridian, Ambetter Health and more.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Dr. Charlotte Ng M.d. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

PECOS PAC ID1759550916

PECOS Enrollment IDI20140909002344

Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Billing Reassignments

Medicare enrollment records show Charlotte Ng reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Cardiovascular Care Associates Plc

Same address

Cardiovascular Disease

9450 S SAGINAW RD
Grand Blanc, MI 48439

Reassigned Medicare billing, Michigan enrollment
3 clinicians in this Medicare group

NPI 1265919674 (810) 875-9186

Nds Radiology Inc.

28 mi

Diagnostic Radiology

28700 CABOT DR STE 500
Novi, MI 48377

Reassigned Medicare billing, Michigan enrollment
34 clinicians in this Medicare group

NPI 1649418211 (248) 476-6980

Avocare Health Services

44 mi

Geriatric Medicine

6 PARKLANE BLVD STE 525
Dearborn, MI 48126

Reassigned Medicare billing, Michigan enrollment
9 clinicians in this Medicare group

NPI 1154156420 (810) 275-1885

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Areas of Expertise CMS Part B claims 24

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214

This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.

342 services213 patients

Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report 93000

An electrocardiogram (ECG) is a non-invasive test that records your heart's electrical activity. Using 12 leads attached to your body, it captures data to help identify heart conditions. A doctor interprets the results and provides a report.

328 services226 patients

Injection, sulfur hexafluoride lipid microspheres, per ml Q9950

This procedure involves an injection of sulfur hexafluoride lipid microspheres. These tiny bubbles enhance the quality of ultrasound images, aiding in more accurate diagnoses. The injection is safe and typically used in cardiovascular imaging.

215 services43 patients

Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 99232

Follow-up hospital inpatient care involves daily check-ups while you're admitted in the hospital. Typically, a healthcare provider spends about 25 minutes each day reviewing your condition, adjusting treatment if needed, and answering any questions you might have.

202 services92 patients

Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only 93010

A routine electrocardiogram (ECG) with 12 leads is a simple, non-invasive test that records the electrical activity of your heart. It helps in identifying heart conditions by detecting irregularities in your heart rhythms. The results are interpreted and a report is provided.

167 services143 patients

Injection, regadenoson, 0.1 mg J2785

Regadenoson injection, 0.1 mg, is a medication used to help visualize the heart during a stress test. It works by increasing blood flow in the arteries of the heart. It's injected into a vein and is generally well-tolerated.

116 services29 patients

Ultrasound of heart with color-depicted blood flow, rate, direction and valve function 93306

This is a heart ultrasound, also known as an echocardiogram. It uses sound waves to create pictures of your heart, showing how blood flows through it. The color depicts the blood flow's speed and direction. It also checks the heart's valves to ensure they're working properly.

109 services108 patients

Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 99223

Initial hospital inpatient care per day, typically 70 minutes, refers to the daily medical service provided to patients admitted to the hospital. This includes a comprehensive evaluation, diagnosis, treatment plan, and monitoring of your health condition. It ensures your well-being during your hospital stay.

91 services82 patients

Ultrasound of heart with color-depicted blood flow, rate, direction and valve function 93306

73 services73 patients

Technetium tc-99m sestamibi, diagnostic, per study dose A9500

Technetium Tc-99m Sestamibi is a diagnostic test used to create images of your heart or breast tissues. It involves a safe radioactive substance injection that helps doctors to detect any abnormalities or changes in these tissues.

62 services31 patients

Electrocardiogram (ecg) up to 30 days continuous with review and report by health care professional 93228

An Electrocardiogram (ECG) is a non-invasive test that records the electrical signals in your heart. For up to 30 days, a small device will continuously monitor your heart's activity. A healthcare professional will then review the data and provide a report on your heart's function.

50 services49 patients

Office or other outpatient visit for the evaluation and management of established patient that may not require presence of healthcare professional 99211

This service involves an outpatient visit for established patients who may not need direct interaction with a healthcare professional. It could include reviewing test results, monitoring existing conditions, or adjusting treatment plans. It's typically done remotely, ensuring your comfort and convenience.

50 services14 patients

New patient office or other outpatient visit with a high level of medical decision making, if using time, 60 minutes or more 99205

This is a first-time patient visit where a healthcare professional spends 60-74 minutes with you. It involves a comprehensive evaluation, including your medical history and current health condition. They'll also advise on preventive health measures and formulate a treatment plan if needed.

38 services38 patients

Exercise or drug-induced heart stress test with electrocardiogram (ecg) with supervision and review by physician 93015

An exercise or drug-induced heart stress test with ECG is a procedure performed by a doctor to assess how your heart responds to exertion. It involves monitoring your heart's electrical activity while you exercise or after medication is given to mimic exercise effects.

35 services34 patients

Electrocardiogram (ecg) up to 30 days continuous with transmission of patient triggered events with review and report by health care professional 93229

An Electrocardiogram (ECG) is a test that records your heart's electrical activity for up to 30 days. You trigger a transmission if you feel symptoms, which is then reviewed by a healthcare professional. The report helps diagnose heart conditions.

35 services34 patients

Electrocardiogram (ecg) 2-day continuous with review and report by health care professional 93224

An Electrocardiogram (ECG) is a non-invasive test that records the electrical activity of your heart. In a 2-day continuous ECG, sensors attached to your chest monitor your heart's rhythm over 48 hours. A healthcare professional then reviews the data to identify any irregularities.

32 services31 patients

Nuclear medicine studies of heart muscle at rest and with stress and spect 78452

Nuclear medicine studies of the heart involve two parts: rest and stress. During rest, images are taken of your heart at ease. During stress, images are taken after exercise or medication-induced stress. SPECT is a special imaging technique providing 3D pictures of your heart, helping identify any issues.

31 services31 patients

Use of a drug to induce depression of consciousness by physician performing a procedure (5 years or older), initial 15 minutes 99152

This procedure involves a doctor administering a medication to reduce your consciousness during a procedure. This helps in managing discomfort and anxiety. The initial application lasts for 15 minutes and is for individuals aged 5 years or older.

30 services28 patients

Ultrasound of heart with color-depicted blood flow, rate and valve function 93325

An ultrasound of the heart, also known as an echocardiogram, uses sound waves to create pictures of your heart. It shows the structure, movement, and blood flow within your heart. This helps assess the heart's health and function, including the valves and rate.

19 services19 patients

Insertion of tube in left lower heart chamber and coronary artery for diagnosis with review by radiologist 93458

This procedure involves placing a tube into your left lower heart chamber and coronary artery. It helps doctors diagnose heart conditions by allowing them to view these areas in detail. A radiologist will review the images to ensure accurate diagnosis.

18 services18 patients

Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more 99215

This service involves a follow-up appointment for existing patients, lasting between 40 to 54 minutes. During this time, your healthcare provider will assess your current health status, discuss any changes or concerns, review your treatment plan, and answer any questions you may have.

18 services16 patients

Ultrasound of heart blood flow, valves and chambers 93320

An ultrasound of your heart, also known as an echocardiogram, is a test that uses sound waves to create detailed images of your heart. It helps doctors check the health of your heart's chambers, valves, and blood flow.

17 services17 patients

Ultrasound of heart with continuous electrocardiogram (ecg) during rest, exercise and/or drug induced stress with review and report 93351

This procedure involves using ultrasound technology to create images of your heart while you rest, exercise, or undergo drug-induced stress. An ECG continuously monitors your heart's electrical activity. It helps doctors assess heart health and function.

17 services17 patients

New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more 99204

This is a first-time office or outpatient visit lasting between 45-59 minutes. The healthcare provider evaluates your health, discusses your medical history, and may suggest further tests or treatments. It's an opportunity to ask questions and understand your health better.

13 services13 patients

Hospital Affiliations CMS Care Compare 2

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Henry Ford Health Hospital

Acute Care Hospitals · Detroit, MI

3/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number230053

Location2799 W Grand BlvdDetroit, MI 48202 · Wayne County

Emergency services Birthing friendly

Ascension Genesys Hospital

Acute Care Hospitals · Grand Blanc, MI

3/5 CMS rating

OwnershipVoluntary non-profit - Church

CMS Certification Number230197

LocationOne Genesys ParkwayGrand Blanc, MI 48439 · Genesee County

Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 48439 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient

$126.15 typical visit price

range $54.34 – $166.68

Typical copayment $31.53 (range $13.58 – $41.67)

Most-billed visit code 99204

Established Patient

$68.07 typical visit price

range $17.09 – $135.40

Typical copayment $17.01 (range $4.27 – $33.85)

Most-billed visit code 99213

Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Medicare Quality Performance CMS QPP · MIPS

Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.

97.5/100

MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program

Scored as part of a group practice

Quality

87.98

Promoting Interoperability

100

Improvement Activities

Cost

87.61

Other Providers at the Same Location NPPES

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

MICHIGAN LUNG AND CRITICAL CARE SPECIALISTS, PC

Internal Medicine (Pulmonary Disease)

9450 S SAGINAW RD STE E
GRAND BLANC, MI 48439

Genesee County (810) 695-4000

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Charlotte Ng's NPI number?

The NPI number for Charlotte Ng is 1245490937. It was assigned to this individual provider in the NPPES registry on June 16, 2008.

Where is Charlotte Ng located?

Charlotte Ng practices at 9450 S Saginaw Rd Ste E, Grand Blanc, MI 48439. The listed phone number is (810) 428-6227.

What is Charlotte Ng's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Cardiovascular Disease, with taxonomy code 207RC0000X.

Is Charlotte Ng enrolled in Medicare?

Yes. Charlotte Ng is registered in the Medicare PECOS enrollment system.

Which organizations bill Medicare for Charlotte Ng's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Charlotte Ng reassigns Medicare benefits to 3 organizations: Cardiovascular Care Associates Plc (Grand Blanc, MI), Nds Radiology Inc. (Novi, MI) and Avocare Health Services (Dearborn, MI). Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Charlotte Ng's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Charlotte Ng accept?

Health plans from Ambetter Health, Ambetter from Buckeye Health Plan, Ambetter from Meridian, Blue Care Network of Michigan and Blue Cross Blue Shield of Michigan Mutual Insurance Company and 1 other insurer list Charlotte Ng as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

Is Charlotte Ng affiliated with any hospitals?

According to CMS data, Charlotte Ng is affiliated with Henry Ford Health Hospital and Ascension Genesys Hospital.

When was this NPI record last updated?

The NPPES record for Charlotte Ng was last updated on October 6, 2018. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 8 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.