Doctor profile · Federal record
Dr. Chamberlain Obialo, MD
Nephrology Physician (CMS: Nephrology) · Internal Medicine Physician · Atlanta, GA
- NPI 1881694529
- Accepts Medicare
- 47 yrs in practice
- Male
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
1800 Howell Mill RD, Ste 275
Atlanta, GA 303182538
(404) 756-1480 - Mailing address
-
75 Piedmont Ave Ne, Ste 700
Atlanta, GA 303032544
Credentials & registration
- NPI registered
- July 2005 — 21 yrs on file
- Profile last updated
- May 28, 2015
- Year of graduation
- 1979 — 47 yrs since
- Specialty taxonomy
- 207RN0300X — NUCC code
- State license (1)
- Georgia #038321
- Medicaid
- GA #00061874U
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1881694529. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
817
Distinct HCPCS
9
Medicare allowed
$137,956
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99232 |
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | 202 | 47 | $79 | |
90960 |
Dialysis services, 4 or more physician visits per month (20 years or older) | 191 | 30 | $353 | |
99233 |
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes | 176 | 36 | $119 | |
99231 |
Subsequent hospital care with straightforward or low level of medical decision making, per day, if using time, at least 25 minutes | 82 | 23 | $50 | |
99223 |
Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes | 54 | 41 | $174 | |
90961 |
Dialysis services, 2-3 physician visits per month (20 years or older) | 39 | 21 | $294 | |
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 35 | 19 | $98 | |
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 20 | 12 | $127 | |
99215 |
Established patient office or other outpatient visit, 40-54 minutes | 18 | 13 | $144 |
In context: peer comparison
Among 31 peers in Atlanta Nephrology Physician, average services per provider: 99. This provider delivers 8.3× the peer median.Open Payments
Industry payments received
All-time total
$132
Transactions
7
Manufacturers
2
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| Amgen INC. | 1 | $102.08 | |
| Travere Therapeutics, INC. | 6 | $29.58 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
643
Patients
194
Total drug cost
$133,652
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Calcitriol | Generic | 101 | 38 | $4,066 |
| Sevelamer Carbonate | Generic | 90 | 31 | $34,024 |
| Torsemide | Generic | 81 | 30 | $2,860 |
| Carvedilol | Generic | 53 | 24 | $1,099 |
| Amlodipine Besylate | Generic | 48 | 20 | $1,092 |
| Farxiga (Dapagliflozin Propanediol) | Brand | 47 | 16 | $64,146 |
| Lisinopril | Generic | 35 | 12 | $458 |
| Losartan Potassium | Generic | 34 | 0 | $682 |
| Lokelma (Sodium Zirconium Cyclosilicate) | Brand | 32 | 0 | $17,103 |
| Nifedipine ER (Nifedipine) | Brand | 31 | 11 | $2,467 |
Frequently asked questions
What is Dr. Chamberlain Obialo's medical specialty?
Dr. Chamberlain Obialo practices Nephrology Physician in Atlanta, GA.
Where does Dr. Chamberlain Obialo practice?
Dr. Chamberlain Obialo practices at 1800 Howell Mill RD, Atlanta, GA 303182538. Office phone: 4047561480.
What is Dr. Chamberlain Obialo's NPI?
Dr. Chamberlain Obialo's National Provider Identifier (NPI) is 1881694529, issued by NPPES.
Does Dr. Chamberlain Obialo accept Medicare assignment?
Yes. Dr. Chamberlain Obialo accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Chamberlain Obialo commonly perform?
Top Medicare-reported procedures in 2023: Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232); Dialysis services, 4 or more physician visits per month (20 years or older) (HCPCS 90960); Subsequent hospital care with moderate levelof medical decision making (HCPCS 99233). Source: CMS Medicare Physician & Other Practitioners file.