Doctor profile · Federal record
Dr. Darren Haskell, M.D.
Internal Medicine Physician (CMS: Internal Medicine) · Chesterfield, MO
- NPI 1689636813
- Accepts Medicare
- MIPS 88.1 / 100 · 2023
- 30 yrs in practice
- Male
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
226 S Woods Mill RD, Suite 43 West
Chesterfield, MO 630173662
(314) 205-6444
fax (314) 205-6433
Credentials & registration
- NPI registered
- April 2006 — 20 yrs on file
- Profile last updated
- December 18, 2007
- Year of graduation
- 1996 — 30 yrs since
- Specialty taxonomy
- 207R00000X — NUCC code
- State license (1)
- Missouri #2001025776
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1689636813. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
1,378
Distinct HCPCS
10
Medicare allowed
$143,831
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 837 | 451 | $126 | |
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 130 | 112 | $89 | |
93000 |
Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report | 120 | 119 | $14 | |
99232 |
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | 76 | 25 | $78 | |
99238 |
Hospital discharge day management, 30 minutes or less | 44 | 30 | $80 | |
90662 |
Influenza vaccine split virus, preservative free | 35 | 35 | $71 | |
G0008 |
Administration of influenza virus vaccine | 35 | 35 | $30 | |
99231 |
Subsequent hospital care with straightforward or low level of medical decision making, per day, if using time, at least 25 minutes | 26 | 12 | $49 | |
99223 |
Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes | 24 | 19 | $171 | |
90677 |
Pneumococcal conjugate vaccine, 20 valent (pcv20), for intramuscular use | 20 | 20 | $281 |
In context: peer comparison
Among 36 peers in Chesterfield Internal Medicine Physician, average services per provider: 125. This provider delivers 11× the peer median.Open Payments
Industry payments received
All-time total
$572
Transactions
29
Manufacturers
15
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| Novartis Pharmaceuticals Corporation | 7 | $142.40 | |
| Abbvie INC. | 2 | $48.49 | |
| Phathom Pharmaceuticals, INC. | 2 | $48.00 | |
| Janssen Biotech, INC. | 2 | $45.15 | |
| Sumitomo Pharma America, INC. | 2 | $42.32 | |
| GlaxoSmithKline, LLC. | 3 | $41.39 | |
| Novo Nordisk INC | 2 | $36.37 | |
| Pfizer INC. | 2 | $33.40 | |
| Lilly USA, LLC | 1 | $27.04 | |
| Ucb, INC. | 1 | $24.37 | |
| E.R. Squibb & Sons, L.L.C. | 1 | $20.68 | |
| Abbott Laboratories | 1 | $18.65 | |
| Amgen INC. | 1 | $16.24 | |
| Genentech USA, INC. | 1 | $13.80 | |
| Sandoz INC. | 1 | $13.70 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
5,502
Patients
1,496
Total drug cost
$61,391
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Atorvastatin Calcium | Generic | 1,182 | 330 | $11,228 |
| Levothyroxine Sodium | Generic | 494 | 127 | $6,437 |
| Amlodipine Besylate | Generic | 492 | 147 | $2,976 |
| Losartan Potassium | Generic | 441 | 124 | $5,160 |
| Metoprolol Succinate | Generic | 432 | 117 | $6,905 |
| Rosuvastatin Calcium | Generic | 409 | 121 | $5,107 |
| Hydrochlorothiazide | Generic | 283 | 84 | $1,607 |
| Alprazolam | Generic | 278 | 88 | $1,375 |
| Simvastatin | Generic | 265 | 58 | $1,628 |
| Lisinopril | Generic | 223 | 67 | $1,621 |
Hospital affiliations
Frequently asked questions
What is Dr. Darren Haskell's medical specialty?
Dr. Darren Haskell practices Internal Medicine Physician in Chesterfield, MO.
Where does Dr. Darren Haskell practice?
Dr. Darren Haskell practices at 226 S Woods Mill RD, Chesterfield, MO 630173662. Office phone: 3142056444.
What is Dr. Darren Haskell's NPI?
Dr. Darren Haskell's National Provider Identifier (NPI) is 1689636813, issued by NPPES.
Does Dr. Darren Haskell accept Medicare assignment?
Yes. Dr. Darren Haskell accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Darren Haskell commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Established patient office or other outpatient visit (HCPCS 99213); Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report (HCPCS 93000). Source: CMS Medicare Physician & Other Practitioners file.