Doctor profile · Federal record
Dr. Teng Chang, M.D.
Internal Medicine Physician (CMS: Internal Medicine) · Littleton, CO
- NPI 1255312328
- Accepts Medicare
- 24 yrs in practice
- Male
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
8199 Southpark Ln Ste 100
Littleton, CO 801205665
(303) 730-3332 - Mailing address
-
Po Box 35380
Las Vegas, NV 891335380
Credentials & registration
- NPI registered
- November 2005 — 21 yrs on file
- Profile last updated
- May 1, 2024
- Year of graduation
- 2002 — 24 yrs since
- Specialty taxonomy
- 207R00000X — NUCC code
- State license (1)
- Colorado #DR.0043787
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1255312328. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
929
Distinct HCPCS
10
Medicare allowed
$86,467
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 505 | 174 | $124 | |
96127 |
Assessment of emotional or behavioral problems | 151 | 98 | $5 | |
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 96 | 60 | $81 | |
G0439 |
Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit | 93 | 93 | $130 | |
87430 |
Detection test by immunoassay technique for streptococcus, group a (strep) | 17 | 17 | $16 | |
93000 |
Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report | 16 | 16 | $15 | |
87636 |
Detection test by multiplex amplified probe technique for severe acute respiratory syndrome coronavirus 2 (sars-cov-2) (covid-19) and influenza virus types a and b | 14 | 13 | $140 | |
G0444 |
Annual depression screening, 5 to 15 minutes | 14 | 14 | $19 | |
87426 |
Detection test by immunoassay technique for severe acute respiratory syndrome coronavirus | 12 | 12 | $35 | |
93005 |
Routine electrocardiogram (ecg) using at least 12 leads with tracing | 11 | 11 | $7 |
In context: peer comparison
Among 12 peers in Littleton Internal Medicine Physician, average services per provider: 100. This provider delivers 9.3× the peer median.Medicare Part D · 2023
Top prescriptions
Total claims
2,741
Patients
778
Total drug cost
$181,123
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Atorvastatin Calcium | Generic | 375 | 110 | $4,257 |
| Levothyroxine Sodium | Generic | 327 | 91 | $5,878 |
| Amlodipine Besylate | Generic | 247 | 61 | $1,566 |
| Rosuvastatin Calcium | Generic | 243 | 81 | $4,243 |
| Losartan Potassium | Generic | 187 | 58 | $3,124 |
| Metoprolol Succinate | Generic | 181 | 52 | $4,735 |
| Omeprazole | Generic | 170 | 53 | $3,146 |
| Metformin Hcl | Generic | 148 | 46 | $1,985 |
| Synthroid (Levothyroxine Sodium) | Brand | 143 | 30 | $14,712 |
| Simvastatin | Generic | 139 | 41 | $1,478 |
Hospital affiliations
Frequently asked questions
What is Dr. Teng Chang's medical specialty?
Dr. Teng Chang practices Internal Medicine Physician in Littleton, CO.
Where does Dr. Teng Chang practice?
Dr. Teng Chang practices at 8199 Southpark Ln Ste 100, Littleton, CO 801205665. Office phone: 3037303332.
What is Dr. Teng Chang's NPI?
Dr. Teng Chang's National Provider Identifier (NPI) is 1255312328, issued by NPPES.
Does Dr. Teng Chang accept Medicare assignment?
Yes. Dr. Teng Chang accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Teng Chang commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Assessment of emotional or behavioral problems (HCPCS 96127); Established patient office or other outpatient visit (HCPCS 99213). Source: CMS Medicare Physician & Other Practitioners file.