At a glance
- 2799 W Grand Blvd, Detroit, MI 48202
About Dr. Grafton Gzym
Gillian F. Grafton Gzym, D.O. is a healthcare provider in Detroit, MI specializing in cardiovascular disease (cardiology). Gillian is also listed as specializing in internal medicine, critical care medicine, and cardiovascular disease. According to Medicare claims data, Gillian cared for 241 Medicare patients across 441 services. The services billed most often include evaluation of implantable heart and blood vessel monitoring system, remote up to 30 days, 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', and critical care, first 30-74 minutes. This provider record is associated with NPI 1043475148.
Factual summary compiled by Guide.md from public records; not written by this provider.
Education & Training
Specialty
Credentials & Licensing
Medicare information
Exactly as CMS reports it (National Downloadable File, Opt-Out Affidavits, Order & Referring). Not an insurance directory; confirm coverage with the office.
Contact Information
- (810) 845-4809
- Email not available
Practice Locations
2799 W GRAND BLVD
Detroit, MI 48202
Conditions Commonly Evaluated or Treated
Within Cardiovascular Disease generally. Availability varies by clinician, training and location — this profile has not been claimed, so nothing here is a personal claim by the provider.
Conditions
Most searched conditions
Coronary and ischemic heart disease
Heart failure and cardiomyopathy
Heart rhythm
Symptoms and functional disorders
Valve and structural heart
Vascular and risk factors
Artery & vascular
Heart inflammation
Heart muscle
Heart valves
Vascular disease
Procedures & services
Most searched procedures
Office and noninvasive testing
Advanced imaging
Consultations
Diagnostic testing
Diagnostics
Heart devices
- Biventricular Pacemaker (Cardiac Resynchronization Therapy)
- Implantable Loop Recorder (Cardiac Monitor Implant)
Heart imaging
Heart procedures
Heart rhythm procedures
Imaging
Implants
Recovery & rehabilitation
Vascular imaging
Procedures Most Often Billed to Medicare
441 services · 241 patients · 8 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Evaluation of implantable heart and blood vessel monitoring system, remote up to 30 days | Treatment | 93297 |
124 | As often as other peers in Cardiovascular Disease… |
| 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' | Billing code | G2211 |
74 | As often as other peers in Cardiovascular Disease… |
| Critical care, first 30-74 minutes | Office visit | 99291 |
71 | More often than most peers in Cardiovascular Disease… |
| Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more | Office visit | 99214 |
53 | Less often than most peers in Cardiovascular Disease… |
| Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more | Office visit | 99215 |
45 | As often as other peers in Cardiovascular Disease… |
| Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes | Office visit | 99233 |
40 | Less often than most peers in Cardiovascular Disease… |
| New patient office or other outpatient visit with a high level of medical decision making, if using time, 60 minutes or more | Office visit | 99205 |
19 | As often as other peers in Cardiovascular Disease… |
| Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | Office visit | 99232 |
15 | Less often than most peers in Cardiovascular Disease… |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Related providers
Connections drawn from the registry and from what providers have told us. A link here is not a referral or an endorsement.
Other cardiovascular diseases at this location 1
Same specialty, same street address — most likely the same department or group.
Also at this address 4
Providers at the same street address. Each files their own registry entry, so a shared practice often appears under several different names.
Other cardiovascular diseases in Detroit 7
Same specialty, same city.
More connections — 24 related providers in 3 groups
Trained at Other 8
Other providers in the same specialty who trained at the same institution.
Class of 2008 at Other 8
Providers who graduated from the same medical school in the same year.
Also performs Evaluation of implantable heart and blood vessel monitoring system, remote up to 30 days 8
Providers in MI who bill this service to Medicare most often.
Common questions
What does Gillian F. Grafton Gzym specialize in?
Gillian F. Grafton Gzym is a cardiovascular disease (cardiology) in Detroit, MI. That is the designation recorded for this NPI in the federal registry.
NPI registry
Where is Gillian F. Grafton Gzym located?
Gillian F. Grafton Gzym is listed at 2799 W Grand Blvd, Detroit, MI 48202. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
What is Gillian F. Grafton Gzym's phone number?
The number on file is (810) 845-4809. Contact the office directly to confirm availability and scheduling.
NPI registry
What is Gillian F. Grafton Gzym's NPI number?
Gillian F. Grafton Gzym's National Provider Identifier is 1043475148. It is issued by the Centers for Medicare & Medicaid Services and is unique and permanent — it does not change if they move practice.
NPI registry
Where did Gillian F. Grafton Gzym train?
Gillian F. Grafton Gzym attended Other, graduating in 2008. This comes from the CMS National Downloadable File.
CMS public data
How long has Gillian F. Grafton Gzym been practicing?
Gillian F. Grafton Gzym has 18 years experience. Calculated from a graduation year of 2008, reported in the CMS National Downloadable File.
CMS public data
What does Gillian F. Grafton Gzym do most often?
According to Medicare billing data, Gillian F. Grafton Gzym provides treatments such as evaluation of implantable heart and blood vessel monitoring system, remote up to 30 days, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Has Gillian F. Grafton Gzym confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by Gillian F. Grafton Gzym. If this is you, claiming it is free.
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