Doctor profile · Federal record

Dr. Douglas Hoverkamp, M.D.

Psychiatry Physician (CMS: Psychiatry) · Greenport, NY

  • NPI 1831305507
  • Accepts Medicare
  • MIPS 91.4 / 100 · 2023
  • 23 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
201 Manor Pl
Greenport, NY 119441222
(631) 477-1000
Mailing address
138 Land Ln
Westbury, NY 115906247

Credentials & registration

NPPES · NUCC
NPI registered
May 2007 — 19 yrs on file
Profile last updated
November 10, 2008
Year of graduation
2003 — 23 yrs since
Specialty taxonomy
2084P0800X — NUCC code
State license (1)
New York #247356

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1831305507. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
1,448
Distinct HCPCS
5
Medicare allowed
$99,178
HCPCS Description Services Patients Avg allowed
99231 Subsequent hospital care with straightforward or low level of medical decision making, per day, if using time, at least 25 minutes 687 67 $59
90833 Psychotherapy with evaluation and management visit, 30 minutes 636 67 $70
90792 Psychiatric diagnostic evaluation with medical services 44 39 $194
90785 Psychiatric services complicated by communication factor 41 37 $15
99239 Hospital discharge day management, more than 30 minutes 40 36 $134

In context: peer comparison

Among 1 peers in Greenport Psychiatry Physician, average services per provider: 289. This provider delivers 5.0× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
517
Patients
45
Total drug cost
$16,357
Drug Type Claims Patients Total cost
Quetiapine Fumarate Generic 74 14 $2,308
Clonazepam Generic 59 16 $1,008
Gabapentin Generic 53 15 $966
Alprazolam Generic 44 0 $1,011
Bupropion Xl (Bupropion Hcl) Brand 35 0 $624
Sertraline Hcl Generic 35 0 $568
Dextroamphetamine-Amphetamine (Dextroamphetamine/Amphetamine) Brand 29 0 $1,276
Buprenorphine-Naloxone (Buprenorphine Hcl/Naloxone Hcl) Brand 28 0 $5,822
Olanzapine Generic 27 0 $409
Trazodone Hcl Generic 27 0 $392

Frequently asked questions

Auto-generated from federal data
What is Dr. Douglas Hoverkamp's medical specialty?
Dr. Douglas Hoverkamp practices Psychiatry Physician in Greenport, NY.
Where does Dr. Douglas Hoverkamp practice?
Dr. Douglas Hoverkamp practices at 201 Manor Pl, Greenport, NY 119441222. Office phone: 6314771000.
What is Dr. Douglas Hoverkamp's NPI?
Dr. Douglas Hoverkamp's National Provider Identifier (NPI) is 1831305507, issued by NPPES.
Does Dr. Douglas Hoverkamp accept Medicare assignment?
Yes. Dr. Douglas Hoverkamp accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Douglas Hoverkamp commonly perform?
Top Medicare-reported procedures in 2023: Subsequent hospital care with straightforward or low level of medical decision making (HCPCS 99231); Psychotherapy with evaluation and management visit (HCPCS 90833); Psychiatric diagnostic evaluation with medical services (HCPCS 90792). Source: CMS Medicare Physician & Other Practitioners file.