Doctor profile · Federal record

Dr. Douglas Delong, M.D.

Internal Medicine Physician (CMS: Internal Medicine) · Geriatric Medicine (Internal Medicine) Physician · Cooperstown, NY

  • NPI 1679534390
  • Accepts Medicare
  • MIPS 82.3 / 100 · 2023
  • 47 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
1 Atwell RD
Cooperstown, NY 133261301
(607) 547-3967
fax (607) 547-3259
Mailing address
Po Box 725
Cooperstown, NY 133260725

Credentials & registration

NPPES · NUCC
NPI registered
March 2006 — 20 yrs on file
Profile last updated
April 15, 2008
Year of graduation
1979 — 47 yrs since
Specialty taxonomy
207R00000X — NUCC code
State license (1)
New York #143872
Medicaid
NY #02064886

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1679534390. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
61
Distinct HCPCS
2
Medicare allowed
$4,778
HCPCS Description Services Patients Avg allowed
99213 Established patient office or other outpatient visit, 20-29 minutes 46 44 $63
G0439 Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit 15 15 $125

In context: peer comparison

Among 20 peers in this city , average services per provider: 92. This provider delivers 0.7× the peer median.

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Douglas Delong's medical specialty?
Dr. Douglas Delong practices Internal Medicine Physician in Cooperstown, NY.
Where does Dr. Douglas Delong practice?
Dr. Douglas Delong practices at 1 Atwell RD, Cooperstown, NY 133261301. Office phone: 6075473967.
What is Dr. Douglas Delong's NPI?
Dr. Douglas Delong's National Provider Identifier (NPI) is 1679534390, issued by NPPES.
Does Dr. Douglas Delong accept Medicare assignment?
Yes. Dr. Douglas Delong accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Douglas Delong commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99213); Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit (HCPCS G0439). Source: CMS Medicare Physician & Other Practitioners file.