Doctor profile · Federal record
Dr. Mark Fleschler, M.D.
Geriatric Medicine (Internal Medicine) Physician (CMS: Internal Medicine) · Internal Medicine Physician · Dallas, TX
- NPI 1083652986
- Accepts Medicare
- 42 yrs in practice
- Male
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
8230 Walnut Hill Ln Ste 800
Dallas, TX 752314491
(214) 345-1220
fax (214) 750-2998
Credentials & registration
- NPI registered
- June 2006 — 20 yrs on file
- Profile last updated
- July 21, 2022
- Year of graduation
- 1984 — 42 yrs since
- Specialty taxonomy
- 207RG0300X — NUCC code
- State license (1)
- Texas #G8110
- Medicaid
- TX #089501301
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1083652986. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
1,743
Distinct HCPCS
10
Medicare allowed
$117,607
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 393 | 213 | $90 | |
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 288 | 153 | $127 | |
G0439 |
Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit | 241 | 241 | $128 | |
82274 |
Stool analysis for blood, by fecal hemoglobin determination by immunoassay | 170 | 169 | $16 | |
81003 |
Automated urinalysis test | 150 | 80 | $2 | |
83036 |
Hemoglobin a1c level | 108 | 61 | $10 | |
G0008 |
Administration of influenza virus vaccine | 85 | 85 | $25 | |
90662 |
Influenza vaccine split virus, preservative free | 78 | 78 | $72 | |
36415 |
Insertion of needle into vein for collection of blood sample | 75 | 71 | $8 | |
82044 |
Urine microalbumin (protein) analysis | 56 | 41 | $6 |
In context: peer comparison
Among 12 peers in this city , average services per provider: 105. This provider delivers 17× the peer median.Medicare Part D · 2023
Top prescriptions
Total claims
2,293
Patients
634
Total drug cost
$283,882
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Rosuvastatin Calcium | Generic | 365 | 113 | $7,696 |
| Atorvastatin Calcium | Generic | 281 | 78 | $3,918 |
| Levothyroxine Sodium | Generic | 239 | 64 | $3,922 |
| Amlodipine Besylate | Generic | 175 | 53 | $1,723 |
| Ezetimibe | Generic | 143 | 43 | $6,583 |
| Olmesartan Medoxomil | Generic | 132 | 35 | $5,309 |
| Losartan Potassium | Generic | 130 | 39 | $1,960 |
| Metoprolol Succinate | Generic | 121 | 32 | $2,325 |
| Trazodone Hcl | Generic | 112 | 33 | $1,320 |
| Omeprazole | Generic | 109 | 26 | $1,920 |
Hospital affiliations
Frequently asked questions
What is Dr. Mark Fleschler's medical specialty?
Dr. Mark Fleschler practices Geriatric Medicine (Internal Medicine) Physician in Dallas, TX.
Where does Dr. Mark Fleschler practice?
Dr. Mark Fleschler practices at 8230 Walnut Hill Ln Ste 800, Dallas, TX 752314491. Office phone: 2143451220.
What is Dr. Mark Fleschler's NPI?
Dr. Mark Fleschler's National Provider Identifier (NPI) is 1083652986, issued by NPPES.
Does Dr. Mark Fleschler accept Medicare assignment?
Yes. Dr. Mark Fleschler accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Mark Fleschler commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99213); Established patient office or other outpatient visit (HCPCS 99214); Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit (HCPCS G0439). Source: CMS Medicare Physician & Other Practitioners file.