Doctor profile · Federal record
Dr. Charles Lammers, PHD
Psychologist (CMS: Clinical Psychologist) · Winter Park, FL
- NPI 1023043957
- Accepts Medicare
- MIPS 78.0 / 100 · 2023
- 35 yrs in practice
- Male
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
1685 Lee RD, Suite 200
Winter Park, FL 327892262
(407) 303-7991
fax (407) 303-7803
Credentials & registration
- NPI registered
- July 2006 — 20 yrs on file
- Profile last updated
- April 30, 2012
- Year of graduation
- 1991 — 35 yrs since
- Specialty taxonomy
- 103T00000X — NUCC code
- State license (1)
- Florida #PY5896
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1023043957. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
499
Distinct HCPCS
3
Medicare allowed
$44,424
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
90834 |
Psychotherapy, 45 minutes | 388 | 39 | $88 | |
90832 |
Psychotherapy, 30 minutes | 81 | 27 | $66 | |
90791 |
Psychiatric diagnostic evaluation | 30 | 30 | $168 |
In context: peer comparison
Among 3 peers in this city , average services per provider: 90. This provider delivers 5.5× the peer median.Frequently asked questions
What is Dr. Charles Lammers's medical specialty?
Dr. Charles Lammers practices Psychologist in Winter Park, FL.
Where does Dr. Charles Lammers practice?
Dr. Charles Lammers practices at 1685 Lee RD, Winter Park, FL 327892262. Office phone: 4073037991.
What is Dr. Charles Lammers's NPI?
Dr. Charles Lammers's National Provider Identifier (NPI) is 1023043957, issued by NPPES.
Does Dr. Charles Lammers accept Medicare assignment?
Yes. Dr. Charles Lammers accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Charles Lammers commonly perform?
Top Medicare-reported procedures in 2023: Psychotherapy (HCPCS 90834); Psychotherapy (HCPCS 90832); Psychiatric diagnostic evaluation (HCPCS 90791). Source: CMS Medicare Physician & Other Practitioners file.