Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

DR. ALEXANDER PETER DE NESNERA M.D.
NPI 1457300030
Psychiatry & Neurology - Psychiatry in Concord, NH

Active since May 09, 2006PECOS Enrolled
36 CLINTON ST, CONCORD, NH 03301(603) 271-5300(603) 271-5395 Get Directions Write a Review

NPPES record last updated: July 13, 2026. Verified against the NPPES registry weekly; last sync: August 09, 2026.

About Dr. Alexander Peter De Nesnera M.d. NPPES

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

DR. ALEXANDER PETER DE NESNERA M.D. (NPI 1457300030) is an individual psychiatry provider in Concord, New Hampshire, licensed in New Hampshire (7835) and active in the NPI registry since May 2006. He is enrolled in Medicare PECOS and is a graduate of Geisel School Of Medicine At Dartmouth (1986).

NPPES Registry Identity

NPI1457300030
Entity TypeIndividualMale
Primary Taxonomy2084P0800X
Provider Legal NameDR. ALEXANDER PETER DE NESNERACredential: M.D.
Location Address36 CLINTON STConcord, NH 03301-2359
Mailing Address36 Clinton StConcord, NH 03301-2359 · (603) 271-5300 · Fax (603) 271-5395
Fax(603) 271-5395
Sole ProprietorNo
Medical School CMSGeisel School Of Medicine At DartmouthGraduated 1986
Enumeration DateMay 9, 2006
Last NPPES UpdateJuly 13, 2026
NPI 1457300030 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyPsychiatry & Neurology · PsychiatryAllopathic & Osteopathic Physicians
Taxonomy Code2084P0800X
License Licensed in NH · 7835
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.
36 CLINTON ST, Concord, NH 03301

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

Enrolled in Medicare and accepts Medicare assignment

Dr. Alexander Peter De Nesnera 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 ID2961428545
PECOS Enrollment IDI20051022000167
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.

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.
158 services49 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.

Occupational Therapist
36 CLINTON ST
CONCORD, NH 03301
Psychiatry & Neurology (Psychiatry)
36 CLINTON ST
CONCORD, NH 03301
General Acute Care Hospital
36 CLINTON ST
CONCORD, NH 03301
Psychiatry & Neurology (Psychiatry)
36 CLINTON ST
CONCORD, NH 03301
Psychiatry & Neurology (Child & Adolescent Psychiatry)
36 CLINTON ST
CONCORD, NH 03301
Family Medicine
36 CLINTON ST
CONCORD, NH 03301
Psychiatry & Neurology (Psychiatry)
36 CLINTON ST
CONCORD, NH 03301
Psychiatry & Neurology (Psychiatry)
36 CLINTON ST
CONCORD, NH 03301

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 Alexander De Nesnera's NPI number?

The NPI number for Alexander De Nesnera is 1457300030. It was assigned to this individual provider in the NPPES registry on May 9, 2006.

Where is Alexander De Nesnera located?

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

What is Alexander De Nesnera's specialty?

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

Is Alexander De Nesnera enrolled in Medicare?

Yes. Alexander De Nesnera 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.

When was this NPI record last updated?

The NPPES record for Alexander De Nesnera was last updated on July 13, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 29 days 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.