Doctor profile · Federal record
Dr. Frederick Delafield, M.D.
Rheumatology Physician (CMS: Internal Medicine) · Oklahoma City, OK
- NPI 1982708939
- Accepts Medicare
- 46 yrs in practice
- Male
- Solo practice
- No sanctions
Practice & contact
- Primary practice
-
4200 W Memorial RD, Suite 313
Oklahoma City, OK 731209350
(405) 749-4290
fax (405) 749-4295
Credentials & registration
- NPI registered
- September 2006 — 20 yrs on file
- Profile last updated
- May 27, 2009
- Year of graduation
- 1980 — 46 yrs since
- Specialty taxonomy
- 207RR0500X — NUCC code
- State license (1)
- Oklahoma #13196
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1982708939. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
1,147
Distinct HCPCS
7
Medicare allowed
$97,794
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99232 |
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | 711 | 290 | $76 | |
99239 |
Hospital discharge day management, more than 30 minutes | 247 | 237 | $109 | |
99222 |
Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes | 58 | 57 | $122 | |
99231 |
Subsequent hospital care with straightforward or low level of medical decision making, per day, if using time, at least 25 minutes | 50 | 31 | $47 | |
99233 |
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes | 38 | 32 | $113 | |
99221 |
Initial hospital care with straightforward or low level of medical decision making, per day, if using time, at least 40 minutes | 31 | 31 | $80 | |
20610 |
Aspiration and/or injection of fluid from large joint | 12 | 12 | $43 |
In context: peer comparison
Among 8 peers in this city , average services per provider: 517. This provider delivers 2.2× the peer median.Open Payments
Industry payments received
All-time total
$270
Transactions
2
Manufacturers
2
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| Janssen Pharmaceuticals, Inc | 1 | $145.49 | |
| Boehringer Ingelheim Pharmaceuticals, Inc. | 1 | $124.32 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
119
Patients
82
Total drug cost
$14,086
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Eliquis (Apixaban) | Brand | 23 | 0 | $13,122 |
| Prednisone | Generic | 21 | 19 | $138 |
| Hydrocodone-Acetaminophen (Hydrocodone/Acetaminophen) | Brand | 20 | 20 | $168 |
| Oxycodone Hcl | Generic | 19 | 19 | $402 |
| Furosemide | Generic | 13 | 12 | $44 |
| Cefdinir | Generic | 12 | 12 | $104 |
| Pantoprazole Sodium | Generic | 11 | 0 | $107 |
Frequently asked questions
What is Dr. Frederick Delafield's medical specialty?
Dr. Frederick Delafield practices Rheumatology Physician in Oklahoma City, OK.
Where does Dr. Frederick Delafield practice?
Dr. Frederick Delafield practices at 4200 W Memorial RD, Oklahoma City, OK 731209350. Office phone: 4057494290.
What is Dr. Frederick Delafield's NPI?
Dr. Frederick Delafield's National Provider Identifier (NPI) is 1982708939, issued by NPPES.
Does Dr. Frederick Delafield accept Medicare assignment?
Yes. Dr. Frederick Delafield accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Frederick Delafield commonly perform?
Top Medicare-reported procedures in 2023: Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232); Hospital discharge day management (HCPCS 99239); Initial hospital care with straightforward or low-level medical decision making (HCPCS 99222). Source: CMS Medicare Physician & Other Practitioners file.