Doctor profile · Federal record
Dr. Charles Maass, PT, DPT
Physical Therapist (CMS: Physical Therapist in Private Practice) · Physical Therapist · Westport, CT
- NPI 1639624398
- Accepts Medicare
- 10 yrs in practice
- Licensed in 2 states
- Male
- Group practice
- No sanctions
Practice & contact
Operates at 2 locations .
- Primary practice
-
323 Riverside Ave
Westport, CT 068804825
(203) 845-2200 - Additional location
-
2142 Utopia Pkwy
Whitestone, NY 113574142
(718) 767-0610 - Mailing address
-
18444 N 25Th Ave Ste 310
Phoenix, AZ 850231266
Credentials & registration
- NPI registered
- August 2016 — 10 yrs on file
- Profile last updated
- March 26, 2026
- Year of graduation
- 2016 — 10 yrs since
- Specialty taxonomy
- 225100000X — NUCC code
- State licenses (2)
- Connecticut #011011 · New York #044376
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1639624398. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
2,502
Distinct HCPCS
6
Medicare allowed
$74,248
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
97110 |
Therapy procedure using exercise to develop strength, endurance, range of motion, and flexibility, each 15 minutes | 908 | 97 | $25 | |
97140 |
Therapy procedure using manual technique, each 15 minutes | 703 | 86 | $22 | |
97112 |
Therapy procedure to re-educate brain-to-nerve-to-muscle function, each 15 minutes | 589 | 70 | $33 | |
97530 |
Therapy procedure using functional activities | 188 | 23 | $39 | |
97161 |
Evaluation for physical therapy, typically 20 minutes | 82 | 72 | $105 | |
97535 |
Training for self-care or home management, each 15 minutes | 32 | 28 | $26 |
In context: peer comparison
Among 6 peers in this city , average services per provider: 423. This provider delivers 5.9× the peer median.Frequently asked questions
What is Dr. Charles Maass's medical specialty?
Dr. Charles Maass practices Physical Therapist in Westport, CT.
Where does Dr. Charles Maass practice?
Dr. Charles Maass practices at 323 Riverside Ave, Westport, CT 068804825. Office phone: 2038452200.
What is Dr. Charles Maass's NPI?
Dr. Charles Maass's National Provider Identifier (NPI) is 1639624398, issued by NPPES.
Does Dr. Charles Maass accept Medicare assignment?
Yes. Dr. Charles Maass accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Charles Maass commonly perform?
Top Medicare-reported procedures in 2023: Therapy procedure using exercise to develop strength, endurance, range of motion, and flexibility (HCPCS 97110); Therapy procedure using manual technique (HCPCS 97140); Therapy procedure to re-educate brain-to-nerve-to-muscle function (HCPCS 97112). Source: CMS Medicare Physician & Other Practitioners file.