Doctor profile · Federal record
Dr. Jonathan Massey, MD
Internal Medicine Physician (CMS: Emergency Medicine) · Oxford, MS
- NPI 1699745133
- Accepts Medicare
- 34 yrs in practice
- Male
- Solo practice
- No sanctions
Practice & contact
- Primary practice
-
1300 Access RD, Suite 300
Oxford, MS 386555209
(662) 232-8005
fax (662) 232-8055 - Mailing address
-
1501 Jackson Ave W, Pmb 222
Oxford, MS 386552564
Credentials & registration
- NPI registered
- January 2006 — 20 yrs on file
- Profile last updated
- January 7, 2026
- Year of graduation
- 1992 — 34 yrs since
- Specialty taxonomy
- 207R00000X — NUCC code
- State license (1)
- Mississippi #13545
- Medicaid
- MS #00125406
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1699745133. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
460
Distinct HCPCS
5
Medicare allowed
$44,420
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99285 |
Emergency department visit with high level of medical decision making | 140 | 130 | $164 | |
99284 |
Emergency department visit with moderate level of medical decision making | 116 | 102 | $111 | |
99283 |
Emergency department visit with low level of medical decision making | 110 | 100 | $67 | |
93010 |
Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only | 79 | 72 | $7 | |
99282 |
Emergency department visit with straightforward medical decision making | 15 | 14 | $39 |
In context: peer comparison
Among 5 peers in this city , average services per provider: 657. This provider delivers 0.7× the peer median.Open Payments
Industry payments received
All-time total
$61
Transactions
2
Manufacturers
1
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| Abbott Laboratories | 2 | $60.62 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
130
Patients
107
Total drug cost
$1,036
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Ketorolac Tromethamine | Generic | 19 | 19 | $303 |
| Tramadol Hcl | Generic | 18 | 18 | $25 |
| Tizanidine Hcl | Generic | 17 | 17 | $62 |
| Sulfamethoxazole-Trimethoprim (Sulfamethoxazole/Trimethoprim) | Brand | 16 | 16 | $111 |
| Levofloxacin | Generic | 13 | 13 | $81 |
| Methylprednisolone | Generic | 13 | 13 | $134 |
| Prednisone | Generic | 12 | 0 | $30 |
| Duloxetine Hcl | Generic | 11 | 0 | $231 |
| Hydrocodone-Acetaminophen (Hydrocodone/Acetaminophen) | Brand | 11 | 11 | $58 |
Hospital affiliations
Frequently asked questions
What is Dr. Jonathan Massey's medical specialty?
Dr. Jonathan Massey practices Internal Medicine Physician in Oxford, MS.
Where does Dr. Jonathan Massey practice?
Dr. Jonathan Massey practices at 1300 Access RD, Oxford, MS 386555209. Office phone: 6622328005.
What is Dr. Jonathan Massey's NPI?
Dr. Jonathan Massey's National Provider Identifier (NPI) is 1699745133, issued by NPPES.
Does Dr. Jonathan Massey accept Medicare assignment?
Yes. Dr. Jonathan Massey accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Jonathan Massey commonly perform?
Top Medicare-reported procedures in 2023: Emergency department visit with high level of medical decision making (HCPCS 99285); Emergency department visit with moderate level of medical decision making (HCPCS 99284); Emergency department visit with low level of medical decision making (HCPCS 99283). Source: CMS Medicare Physician & Other Practitioners file.