Physician Profile
Unclaimed ProfileAbout HATTAN
Patrick Richard Hattan, M.D. practices psychiatry in Concord, NH. Patrick is a 2012 graduate of Geisel School of Medicine at Dartmouth. Patrick is also listed as specializing in student in an organized health care education program.
Summarised automatically from public NPI registry and CMS Medicare data. Not written or reviewed by this provider. Claim this profile to replace it.
Education & Training
Areas of Expertise
Licensing & Certification
Source: NPPES NPI Registry
Contact Information
- (603) 271-5300
- Email not available
Practice Locations
36 CLINTON ST
Concord, NH 03301
Procedures Most Often Billed to Medicare
39 services · 13 patients · 1 distinct codes
| Procedure | Type | Code | Services |
|---|---|---|---|
| Subsequent hospital care with straightforward or low level of medical decision making, per day, if using time, at least 25 minutes | Office visit | 99231 |
39 |
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 psychiatry specialists at this location 8
Same specialty, same street address — most likely the same department or group.
Related specialists at this location 7
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 — 18 related providers in 3 groups
Other psychiatry specialists in Concord 2
Same specialty, same city.
Trained at Geisel School of Medicine at Dartmouth 8
Other providers in the same specialty who trained at the same institution.
Class of 2012 at Geisel School of Medicine at Dartmouth 8
Providers who graduated from the same medical school in the same year.
Common questions
What does Dr. Hattan specialize in?
Dr. Hattan is a psychiatry in Concord, NH. This is the primary taxonomy recorded against the NPI in the federal registry, listed there as “PSYCHIATRY”.
NPI registry
Where is Dr. Hattan located?
Dr. Hattan is listed at 36 CLINTON ST, Concord, NH 03301. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
What is Dr. Hattan's phone number?
The number on file is (603) 271-5300. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
What is Dr. Hattan's NPI number?
Dr. Hattan's National Provider Identifier is 1689930760. 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 Dr. Hattan go to medical school?
Dr. Hattan attended Geisel School of Medicine at Dartmouth, graduating in 2012. This comes from the CMS National Downloadable File.
CMS public data
How long has Dr. Hattan been practicing?
Dr. Hattan has 14 years experience. Calculated from a graduation year of 2012, reported in the CMS National Downloadable File.
CMS public data
What does Dr. Hattan do most often?
According to Medicare billing data, Dr. Hattan the Medicare record under this individual NPI shows mainly office visits and diagnostic testing. Hospital-based physicians usually have their procedural work billed by the facility rather than under their own number, so this is a floor on their practice, not a description of it. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Has Dr. Hattan confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Hattan. If this is you, claiming it is free.
Guide.md
Is this your profile?
Verify your identity to control how patients — and AI assistants — describe you.
Claim this profileProvider data sourced from the NPPES NPI Registry and CMS public datasets. Information is provided for reference and is not medical advice.