Doctor profile · Federal record
Dr. Nathanael Adjei, M.D.
Internal Medicine Physician (CMS: Internal Medicine) · Phoenix, AZ
- NPI 1134651896
- Accepts Medicare
- 15 yrs in practice
- Male
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
1111 E McDowell RD
Phoenix, AZ 850062612
(469) 426-7739
Credentials & registration
- NPI registered
- March 2017 — 9 yrs on file
- Profile last updated
- August 6, 2025
- Year of graduation
- 2011 — 15 yrs since
- Specialty taxonomy
- 207R00000X — NUCC code
- State license (1)
- Arizona #61170
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1134651896. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
372
Distinct HCPCS
4
Medicare allowed
$35,147
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99232 |
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | 202 | 86 | $76 | |
99233 |
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes | 89 | 59 | $115 | |
99239 |
Hospital discharge day management, more than 30 minutes | 46 | 46 | $111 | |
99222 |
Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes | 35 | 35 | $124 |
In context: peer comparison
Among 171 peers in Phoenix Internal Medicine Physician, average services per provider: 159. This provider delivers 2.3× the peer median.Open Payments
Industry payments received
All-time total
$40
Transactions
2
Manufacturers
2
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| Abbott Laboratories | 1 | $22.33 | |
| Boston Scientific Corporation | 1 | $18.10 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
23
Patients
0
Total drug cost
$244
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Pantoprazole Sodium | Generic | 12 | 0 | $146 |
| Atorvastatin Calcium | Generic | 11 | 0 | $98 |
Hospital affiliations
Frequently asked questions
What is Dr. Nathanael Adjei's medical specialty?
Dr. Nathanael Adjei practices Internal Medicine Physician in Phoenix, AZ.
Where does Dr. Nathanael Adjei practice?
Dr. Nathanael Adjei practices at 1111 E McDowell RD, Phoenix, AZ 850062612. Office phone: 4694267739.
What is Dr. Nathanael Adjei's NPI?
Dr. Nathanael Adjei's National Provider Identifier (NPI) is 1134651896, issued by NPPES.
Does Dr. Nathanael Adjei accept Medicare assignment?
Yes. Dr. Nathanael Adjei accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Nathanael Adjei commonly perform?
Top Medicare-reported procedures in 2023: Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232); Subsequent hospital care with moderate levelof medical decision making (HCPCS 99233); Hospital discharge day management (HCPCS 99239). Source: CMS Medicare Physician & Other Practitioners file.