Doctor profile · Federal record

Dr. Andrew Toenniessen, DO

General Practice Physician (CMS: General Practice) · Herkimer, NY

  • NPI 1518580612
  • Accepts Medicare
  • 6 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
104 N Washington St
Herkimer, NY 133502028
(716) 807-9573
Mailing address
1695 Elmwood Ave Apt 21
Buffalo, NY 142072474

Credentials & registration

NPPES · NUCC
NPI registered
May 2020 — 6 yrs on file
Profile last updated
July 24, 2023
Year of graduation
2020 — 6 yrs since
Specialty taxonomy
208D00000X — NUCC code
State license (1)
New York #320513

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1518580612. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
718
Distinct HCPCS
3
Medicare allowed
$71,885
HCPCS Description Services Patients Avg allowed
99309 Subsequent nursing facility care with moderate level of medical decision making, per day, if using time, at least 30 minutes 605 176 $102
99497 Advance care planning, first 30 minutes 102 47 $79
99306 Initial nursing facility care with high level of medical decision making, per day, if using time, at least 45 minutes 11 11 $175

In context: peer comparison

Among 1 peers in Herkimer General Practice Physician, average services per provider: 239. This provider delivers 3.0× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
285
Patients
24
Total drug cost
$31,432
Drug Type Claims Patients Total cost
Eliquis (Apixaban) Brand 61 0 $13,075
Gabapentin Generic 37 0 $590
Sps (Sodium Polystyrene Sulfon/Sorb) Brand 19 12 $665
Sodium Chloride (0.9 % Sodium Chloride) Brand 17 12 $325
Gemtesa (Vibegron) Brand 16 0 $3,556
Levothyroxine Sodium Generic 16 0 $280
Lokelma (Sodium Zirconium Cyclosilicate) Brand 16 0 $5,868
Lantus Solostar (Insulin Glargine,Hum.Rec.Anlog) Brand 14 0 $5,647
Pantoprazole Sodium Generic 14 0 $158
Sertraline Hcl Generic 14 0 $138

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Andrew Toenniessen's medical specialty?
Dr. Andrew Toenniessen practices General Practice Physician in Herkimer, NY.
Where does Dr. Andrew Toenniessen practice?
Dr. Andrew Toenniessen practices at 104 N Washington St, Herkimer, NY 133502028. Office phone: 7168079573.
What is Dr. Andrew Toenniessen's NPI?
Dr. Andrew Toenniessen's National Provider Identifier (NPI) is 1518580612, issued by NPPES.
Does Dr. Andrew Toenniessen accept Medicare assignment?
Yes. Dr. Andrew Toenniessen accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Andrew Toenniessen commonly perform?
Top Medicare-reported procedures in 2023: Subsequent nursing facility care with moderate level of medical decision making (HCPCS 99309); Advance care planning (HCPCS 99497); Initial nursing facility care with high level of medical decision making (HCPCS 99306). Source: CMS Medicare Physician & Other Practitioners file.