Physician Profile
Unclaimed ProfileAbout GROGAN
Mark S Grogan, MD practices interventional cardiology in Derby, CT. Medicare claims data shows Mark provided 779 services to 537 patients.
Summarised automatically from public NPI registry and CMS Medicare data. Not written or reviewed by this provider. Claim this profile to replace it.
Areas of Expertise
Licensing & Certification
Source: NPPES NPI Registry
Contact Information
- (203) 732-7455
- Email not available
Practice Locations
130 DIVISION STREET
Derby, CT 06418
Procedures Most Often Billed to Medicare
779 services · 537 patients · 6 distinct codes
| Procedure | Type | Code | Services |
|---|---|---|---|
| Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only | Treatment | 93010 |
405 |
| Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report | Treatment | 93000 |
123 |
| Ultrasound of heart with color-depicted blood flow, rate, direction and valve function | Treatment | 93306 |
51 |
| Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more | Office visit | 99214 |
147 |
| Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | Office visit | 99232 |
29 |
| Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more | Office visit | 99213 |
24 |
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.
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.
Also performs Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only 8
Providers in CT who bill this service to Medicare most often.
Common questions
What kind of doctor is Dr. Grogan?
Dr. Grogan is an interventional cardiologist in Derby, CT. This is the primary taxonomy recorded against the NPI in the federal registry, listed there as “Interventional Cardiology”.
NPI registry
What is Dr. Grogan's address?
Dr. Grogan is listed at 130 DIVISION STREET, Derby, CT 06418. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How can I make an appointment with Dr. Grogan?
The number on file is (203) 732-7455. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
What is the NPI for Dr. Grogan?
Dr. Grogan's National Provider Identifier is 1306909379. 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
How much experience does Dr. Grogan have?
Dr. Grogan has 20+ years experience. Registered with an NPI since 2006. National Provider Identifiers only began in 2005, so a provider who qualified earlier may have practiced for longer than this.
NPI registry
What procedures does Dr. Grogan perform?
According to Medicare billing data, Dr. Grogan provides treatments such as routine electrocardiogram using at least 12 leads with interpretation and report only and routine electrocardiogram using at least 12 leads with interpretation and report, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Is Dr. Grogan's profile verified?
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Grogan. If this is you, claiming it is free.
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Claim this profileProvider data sourced from the NPPES NPI Registry and CMS public datasets. Information is provided for reference and is not medical advice.