Doctor profile · Federal record

Dr. Diana Tjaden, Physical Therapist

Physical Therapist (CMS: Physical Therapist in Private Practice) · Garden City, NY

  • NPI 1366524829
  • Accepts Medicare
  • MIPS 94.3 / 100 · 2023
  • 23 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

Operates at 2 locations .

NPPES Updated May 11, 2026
Primary practice
310 Old Country RD Ste 104
Garden City, NY 115301763
(516) 741-7000
Additional location
3961 Long Beach Road
Island Park, NY 11558
(516) 897-9700
fax (516) 897-0529
Mailing address
1377 Motor Pkwy Ste 307
Islandia, NY 117495258

Credentials & registration

NPPES · NUCC
NPI registered
October 2006 — 20 yrs on file
Profile last updated
November 6, 2020
Year of graduation
2003 — 23 yrs since
Specialty taxonomy
225100000X — NUCC code
State license (1)
New York #025535-1

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1366524829. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
2,674
Distinct HCPCS
7
Medicare allowed
$85,329
HCPCS Description Services Patients Avg allowed
97140 Therapy procedure using manual technique, each 15 minutes 845 74 $22
97530 Therapy procedure using functional activities 683 76 $42
97112 Therapy procedure to re-educate brain-to-nerve-to-muscle function, each 15 minutes 624 69 $30
97110 Therapy procedure using exercise to develop strength, endurance, range of motion, and flexibility, each 15 minutes 401 55 $25
29240 Placement of strapping to shoulder 65 33 $36
97162 Evaluation for physical therapy, typically 30 minutes 38 35 $114
97163 Evaluation for physical therapy, typically 45 minutes 18 17 $116

In context: peer comparison

Among 33 peers in this city , average services per provider: 523. This provider delivers 5.1× the peer median.

Frequently asked questions

Auto-generated from federal data
What is Dr. Diana Tjaden's medical specialty?
Dr. Diana Tjaden practices Physical Therapist in Garden City, NY.
Where does Dr. Diana Tjaden practice?
Dr. Diana Tjaden practices at 310 Old Country RD Ste 104, Garden City, NY 115301763. Office phone: 5167417000.
What is Dr. Diana Tjaden's NPI?
Dr. Diana Tjaden's National Provider Identifier (NPI) is 1366524829, issued by NPPES.
Does Dr. Diana Tjaden accept Medicare assignment?
Yes. Dr. Diana Tjaden accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Diana Tjaden commonly perform?
Top Medicare-reported procedures in 2023: Therapy procedure using manual technique (HCPCS 97140); Therapy procedure using functional activities (HCPCS 97530); Therapy procedure to re-educate brain-to-nerve-to-muscle function (HCPCS 97112). Source: CMS Medicare Physician & Other Practitioners file.