Doctor profile · Federal record
Dr. John Maesaka, M.D.
Nephrology Physician (CMS: Nephrology) · Mineola, NY
- NPI 1417911686
- Accepts Medicare
- MIPS 84.5 / 100 · 2023
- 65 yrs in practice
- Male
- Solo practice
- No sanctions
Practice & contact
- Primary practice
-
200 Old Country RD, Suite 135
Mineola, NY 115014235
(516) 663-2169
fax (516) 663-2179
Credentials & registration
- NPI registered
- April 2006 — 20 yrs on file
- Profile last updated
- March 7, 2023
- Year of graduation
- 1961 — 65 yrs since
- Specialty taxonomy
- 207RN0300X — NUCC code
- State license (1)
- New York #100559
- Medicaid
- NY #00928978
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1417911686. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
256
Distinct HCPCS
2
Medicare allowed
$35,850
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 195 | 78 | $151 | |
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 61 | 48 | $105 |
In context: peer comparison
Among 11 peers in Mineola Nephrology Physician, average services per provider: 203. This provider delivers 1.3× the peer median.Open Payments
Industry payments received
All-time total
$28
Transactions
1
Manufacturers
1
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| Amgen INC. | 1 | $28.31 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
416
Patients
67
Total drug cost
$44,471
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Rosuvastatin Calcium | Generic | 73 | 26 | $2,126 |
| Ezetimibe | Generic | 46 | 12 | $2,394 |
| Losartan Potassium | Generic | 40 | 14 | $502 |
| Atorvastatin Calcium | Generic | 37 | 15 | $878 |
| Doxazosin Mesylate | Generic | 30 | 0 | $840 |
| Famotidine | Generic | 25 | 0 | $554 |
| Lisinopril | Generic | 25 | 0 | $224 |
| Enalapril Maleate | Generic | 21 | 0 | $681 |
| Eplerenone | Generic | 19 | 0 | $4,513 |
| Amlodipine Besylate | Generic | 18 | 0 | $221 |
Frequently asked questions
What is Dr. John Maesaka's medical specialty?
Dr. John Maesaka practices Nephrology Physician in Mineola, NY.
Where does Dr. John Maesaka practice?
Dr. John Maesaka practices at 200 Old Country RD, Mineola, NY 115014235. Office phone: 5166632169.
What is Dr. John Maesaka's NPI?
Dr. John Maesaka's National Provider Identifier (NPI) is 1417911686, issued by NPPES.
Does Dr. John Maesaka accept Medicare assignment?
Yes. Dr. John Maesaka accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. John Maesaka 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). Source: CMS Medicare Physician & Other Practitioners file.