Physician Profile
Unclaimed ProfileAbout GRILLO
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Education & Training
Areas of Expertise
Common questions
What is Dr. Grillo's specialty?
Dr. Grillo is a psychiatry in Groton, CT. This is the primary taxonomy recorded against the NPI in the federal registry, listed there as “PSYCHIATRY”.
NPI registry
Where can I find Dr. Grillo?
Dr. Grillo is listed at 1 WAHOO AVE, Groton, CT 06349. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How do I contact Dr. Grillo?
The number on file is (860) 694-4966. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
What is Dr. Grillo's NPI number?
Dr. Grillo's National Provider Identifier is 1770565566. 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
What is Dr. Grillo's medical education?
Dr. Grillo attended Other, graduating in 1983. This comes from the CMS National Downloadable File.
CMS public data
How long has Dr. Grillo been practising?
Dr. Grillo has 43 years experience. Calculated from a graduation year of 1983, reported in the CMS National Downloadable File.
CMS public data
What is Dr. Grillo known for?
According to Medicare billing data, Dr. Grillo provides treatments such as psychiatric diagnostic evaluation with medical services, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Has Dr. Grillo confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Grillo. If this is you, claiming it is free.
Guide.md
Licensing & Certification
Source: NPPES NPI Registry
Contact Information
- (860) 694-4966
- Email not available
Practice Locations
1 WAHOO AVE
Groton, CT 06349
Procedures Most Often Billed to Medicare
191 services · 49 patients · 2 distinct codes
| Procedure | Type | Code | Services |
|---|---|---|---|
| Psychiatric diagnostic evaluation with medical services | Treatment | 90792 |
13 |
| Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more | Office visit | 99214 |
178 |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
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Claim this profileRelated providers
Connections drawn from the registry and from what providers have told us. A link here is not a referral or an endorsement.
Other psychiatry specialists at this location 2
Same specialty, same street address — most likely the same department or group.
Related specialists at this location 4
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.
More connections — 29 related providers in 4 groups
Other psychiatry specialists in Groton 5
Same specialty, same city.
Trained at Other 8
Other providers in the same specialty who trained at the same institution.
Class of 1983 at Other 8
Providers who graduated from the same medical school in the same year.
Also performs Psychiatric diagnostic evaluation with medical services 8
Providers in CT who bill this service to Medicare most often.
Provider data sourced from the NPPES NPI Registry and CMS public datasets. Information is provided for reference and is not medical advice.