Physician Profile
Unclaimed ProfileAbout Dr. Fiengo
Based in Waterford, CT, Mark N Fiengo, DO is listed in the NPI registry under interventional cardiology. Mark is also listed as specializing in cardiovascular disease. According to Medicare claims data, Mark cared for 590 Medicare patients across 715 services.
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
- (860) 443-4383
- Email not available
Practice Locations
196 PARKWAY S SUITE 103
Waterford, CT 06385
Procedures Most Often Billed to Medicare
715 services · 590 patients · 6 distinct codes
| Procedure | Type | Code | Services |
|---|---|---|---|
| Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report | Treatment | 93000 |
226 |
| Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only | Treatment | 93010 |
62 |
| Ultrasound of heart with color-depicted blood flow, rate, direction and valve function | Treatment | 93306 |
52 |
| Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more | Office visit | 99214 |
317 |
| Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more | Office visit | 99215 |
37 |
| Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more | Office visit | 99213 |
21 |
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.
Related specialists at this location 5
Clinically related specialties at the same address — the people this provider most likely works alongside.
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 8
Providers in CT who bill this service to Medicare most often.
Common questions
What kind of doctor is Dr. Fiengo?
Dr. Fiengo is an interventional cardiologist in Waterford, CT. This is the primary taxonomy recorded against the NPI in the federal registry, listed there as “Interventional Cardiology”.
NPI registry
What is Dr. Fiengo's address?
Dr. Fiengo is listed at 196 PARKWAY S SUITE 103, Waterford, CT 06385. 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. Fiengo?
The number on file is (860) 443-4383. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
What is Dr. Fiengo's NPI number?
Dr. Fiengo's National Provider Identifier is 1245214220. 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 long has Dr. Fiengo been practicing?
Dr. Fiengo has 21+ years experience. Registered with an NPI since 2005. 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. Fiengo perform?
According to Medicare billing data, Dr. Fiengo provides treatments such as routine electrocardiogram using at least 12 leads with interpretation and report and routine electrocardiogram using at least 12 leads with interpretation and report only, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Has Dr. Fiengo confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Fiengo. 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.