Doctor profile · Federal record

Dr. William Schmalz, MD

General Practice Physician (CMS: General Surgery) · Surgery Physician · Lyndhurst, NJ

  • NPI 1689852428
  • Accepts Medicare
  • MIPS 96.6 / 100 · 2023
  • 22 yrs in practice
  • Licensed in 2 states
  • Male
  • Group practice
  • No sanctions

Practice & contact

Operates at 3 locations .

NPPES Updated May 11, 2026
Primary practice
750 Valley Brook Ave
Lyndhurst, NJ 070711301
(973) 857-8995
fax (201) 933-7600
Additional location
99 Washington Ave Ste 805A
Albany, NY 122102804
(310) 445-5999
fax (310) 445-6622
Additional location
13 Long Ave
Mahwah, NJ 074301143
(201) 887-7761
fax (310) 445-6622

Credentials & registration

NPPES · NUCC
NPI registered
February 2008 — 18 yrs on file
Profile last updated
March 12, 2019
Year of graduation
2004 — 22 yrs since
Specialty taxonomy
208D00000X — NUCC code
State licenses (2)
New Jersey #25MA0342000 · New York #293147

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1689852428. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
5,790
Distinct HCPCS
9
Medicare allowed
$591,165
HCPCS Description Services Patients Avg allowed
99308 Subsequent nursing facility care with straightforward level of medical decision making, per day, if using time, at least 15 minutes 3,082 721 $49
99309 Subsequent nursing facility care with moderate level of medical decision making, per day, if using time, at least 30 minutes 974 358 $121
99305 Initial nursing facility care with moderate level of medical decision making, per day, if using time, at least 35 minutes 773 768 $152
99310 Subsequent nursing facility care with high level of medical decision making, per day, if using time, at least 45 minutes 354 91 $173
11047 Removal of bone, each additional 20.0 sq cm or less 212 28 $142
11044 Removal of bone, 20.0 sq cm or less 191 47 $366
11043 Removal of muscle and/or tissue, 20.0 sq cm or less 147 60 $256
11046 Removal of muscle and/or tissue, each additional 20.0 sq cm or less 43 19 $86
99306 Initial nursing facility care with high level of medical decision making, per day, if using time, at least 45 minutes 14 14 $207

In context: peer comparison

Among 1 peers in this city , average services per provider: 643. This provider delivers 9.0× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$121
Transactions
6
Manufacturers
4
Payer (manufacturer) Industry Txns Amount
Novo Nordisk Inc 2 $42.57
Lilly USA, LLC 2 $39.85
Boehringer Ingelheim Pharmaceuticals, Inc. 1 $19.63
ABBVIE INC. 1 $18.60

By nature of payment

Food and Beverage
$121

Frequently asked questions

Auto-generated from federal data
What is Dr. William Schmalz's medical specialty?
Dr. William Schmalz practices General Practice Physician in Lyndhurst, NJ.
Where does Dr. William Schmalz practice?
Dr. William Schmalz practices at 750 Valley Brook Ave, Lyndhurst, NJ 070711301. Office phone: 9738578995.
What is Dr. William Schmalz's NPI?
Dr. William Schmalz's National Provider Identifier (NPI) is 1689852428, issued by NPPES.
Does Dr. William Schmalz accept Medicare assignment?
Yes. Dr. William Schmalz accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. William Schmalz commonly perform?
Top Medicare-reported procedures in 2023: Subsequent nursing facility care with straightforward level of medical decision making (HCPCS 99308); Subsequent nursing facility care with moderate level of medical decision making (HCPCS 99309); Initial nursing facility care with moderate level of medical decision making (HCPCS 99305). Source: CMS Medicare Physician & Other Practitioners file.