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DR. PATRICK RICHARD HATTAN M.D.
NPI 1689930760
Psychiatry & Neurology - Psychiatry in Concord, NH

Active since April 03, 2012PECOS EnrolledAccepts Medicare Assignment
36 CLINTON ST, CONCORD, NH 03301(603) 271-5300 Get Directions Write a Review

NPPES record last updated: April 15, 2025. Verified against the NPPES registry weekly; last sync: October 18, 2026.

About Dr. Patrick Richard Hattan M.d. NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

DR. PATRICK RICHARD HATTAN M.D. (NPI 1689930760) is an individual psychiatry provider in Concord, New Hampshire, licensed in New Hampshire (18177) and active in the NPI registry since April 2012. He is enrolled in Medicare PECOS, maintains 2 additional practice locations, and is a graduate of Geisel School Of Medicine At Dartmouth (2012).

NPPES Registry Identity

NPI1689930760
Entity TypeIndividualMale
Primary Taxonomy2084P0800X
Provider Legal NameDR. PATRICK RICHARD HATTANCredential: M.D.
Location Address36 CLINTON STConcord, NH 03301-2359
Mailing Address36 Clinton StConcord, NH 03301-2359 · (603) 271-5300
Phone(603) 271-5300
Sole ProprietorYes
Medical School CMSGeisel School Of Medicine At DartmouthGraduated 2012
Enumeration DateApril 3, 2012
Last NPPES UpdateApril 15, 2025
NPPES CertifiedApril 15, 2025
✔ NPI 1689930760 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyPsychiatry & Neurology · PsychiatryAllopathic & Osteopathic Physicians
Taxonomy Code2084P0800X
License✔ Licensed in NH · 18177
Definition
A Psychiatrist specializes in the prevention, diagnosis, and treatment of mental disorders, emotional disorders, psychotic disorders, mood disorders, anxiety disorders, substance-related disorders, sexual and gender identity disorders and adjustment disorders. Biologic, psychological, and social components of illnesses are explored and understood in treatment of the whole person. Tools used may include diagnostic laboratory tests, prescribed medications, evaluation and treatment of psychological and interpersonal problems with individuals and families, and intervention for coping with stress, crises, and other problems.
Also ListedStudent in an Organized Health Care Education/Training ProgramTaxonomy 390200000X
36 CLINTON ST, Concord, NH 03301
Open in Google Maps ↗

Secondary Practice Locations 2

Location 11493 Cambridge St, Room 206, Macht Building, Cambridge HospitalCambridge, MA 02139-1047 · Phone (617) 575-5210
Location 2218 East RdHampstead, NH 03841-5303 · Phone (603) 329-5311

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Harvard Pilgrim Health Care.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Dr. Patrick Richard Hattan M.d. is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID8123321908
PECOS Enrollment IDI20180509000848
Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Billing Reassignments

2

Medicare enrollment records show Patrick Hattan reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

State Of New Hampshire
Same address
Psychiatric Hospital
36 CLINTON ST
Concord, NH 03301
  • Reassigned Medicare billing, New Hampshire enrollment
  • 120 clinicians in this Medicare group
NPI 1861491334 (603) 271-5383
Mary Hitchcock Memorial Hospital
30 mi
Psychiatric Hospital
218 EAST RD
Hampstead, NH 03841
  • Reassigned Medicare billing, New Hampshire enrollment
  • 2,620 clinicians in this Medicare group
NPI 1699584219 (603) 650-5000

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Areas of Expertise CMS Part B claims

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Subsequent hospital care with straightforward or low level of medical decision making, per day, if using time, at least 25 minutes 99231
Follow-up hospital inpatient care is a daily service where a healthcare professional checks on your health progress during your hospital stay. Each session typically lasts 15 minutes, involving updates on your condition and adjustments to your treatment plan, if necessary.
39 services13 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 03301 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$174.26 typical visit price
range $57.75 – $174.26
Typical copayment $43.56 (range $14.43 – $43.56)
Most-billed visit code 99205
Established Patient
$71.85 typical visit price
range $18.70 – $142.15
Typical copayment $17.96 (range $4.67 – $35.53)
Most-billed visit code 99213
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

MS. BARBARA ANN MACRAE O.T.R.L
Occupational Therapist
36 CLINTON ST
CONCORD, NH 03301
Merrimack County (603) 271-5699
SAMANTHA GNANASEGARAM M.D.
Psychiatry & Neurology (Psychiatry)
36 CLINTON ST
CONCORD, NH 03301
Merrimack County (603) 271-5485
STATE OF NEW HAMPSHIRE
General Acute Care Hospital
36 CLINTON ST
CONCORD, NH 03301
Merrimack County (603) 746-5979
R. JOFFREE BARRNETT M.D.
Psychiatry & Neurology (Psychiatry)
36 CLINTON ST
CONCORD, NH 03301
Merrimack County (603) 271-5907
DR. MICHAEL BLAZEJ PRZYDZIELSKI MD
Psychiatry & Neurology (Child & Adolescent Psychiatry)
36 CLINTON ST
CONCORD, NH 03301
Merrimack County (603) 271-5300
DR. MATTHEW JAMES MASEWIC M.D.
Family Medicine
36 CLINTON ST
CONCORD, NH 03301
Merrimack County (603) 271-5482
DR. LINDSAY ALEXIS WOOD M.D.
Psychiatry & Neurology (Psychiatry)
36 CLINTON ST
CONCORD, NH 03301
Merrimack County (603) 271-5300
GREGORY ERICK ALBERTO MD, PHD
Psychiatry & Neurology (Psychiatry)
36 CLINTON ST
CONCORD, NH 03301
Merrimack County (603) 271-5300

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Patrick Hattan's NPI number?

The NPI number for Patrick Hattan is 1689930760. It was assigned to this individual provider in the NPPES registry on April 3, 2012.

Where is Patrick Hattan located?

Patrick Hattan practices at 36 Clinton St, Concord, NH 03301. The listed phone number is (603) 271-5300.

What is Patrick Hattan's specialty?

The primary specialty registered for this NPI is Psychiatry & Neurology, specializing in Psychiatry, with taxonomy code 2084P0800X.

Is Patrick Hattan enrolled in Medicare?

Yes. Patrick Hattan is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

Which organizations bill Medicare for Patrick Hattan's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Patrick Hattan reassigns Medicare benefits to 2 organizations: State Of New Hampshire (Concord, NH) and Mary Hitchcock Memorial Hospital (Hampstead, NH). Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Patrick Hattan's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Patrick Hattan accept?

Health plans from Harvard Pilgrim Health Care list Patrick Hattan as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

When was this NPI record last updated?

The NPPES record for Patrick Hattan was last updated on April 15, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 18 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.