Doctor profile · Federal record
Dr. Nicholas Mayer, D.O.
Nephrology Physician (CMS: Internal Medicine) · Nephrology Physician · Florissant, MO
- NPI 1104075597
- Accepts Medicare
- 22 yrs in practice
- Licensed in 2 states
- Male
- Group practice
- No sanctions
Practice & contact
Operates at 2 locations .
- Primary practice
-
1265 Graham RD Ste 1
Florissant, MO 630318018
(314) 741-1600
fax (314) 741-1677 - Additional location
-
2044 Madison Ave Ste 15
Granite City, IL 620404641
Credentials & registration
- NPI registered
- September 2008 — 18 yrs on file
- Profile last updated
- May 22, 2024
- Year of graduation
- 2004 — 22 yrs since
- Specialty taxonomy
- 207RN0300X — NUCC code
- State licenses (2)
- Missouri #2009007663 · Illinois #036123985
- Medicaid (2)
- MO #1104075597 · IL #300117440001
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1104075597. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
904
Distinct HCPCS
8
Medicare allowed
$147,840
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99215 |
Established patient office or other outpatient visit, 40-54 minutes | 253 | 125 | $137 | |
99233 |
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes | 177 | 65 | $116 | |
90960 |
Dialysis services, 4 or more physician visits per month (20 years or older) | 154 | 41 | $343 | |
99232 |
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | 153 | 45 | $77 | |
99223 |
Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes | 64 | 47 | $169 | |
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 58 | 50 | $104 | |
99205 |
New patient office or other outpatient visit, 60-74 minutes | 24 | 24 | $216 | |
90961 |
Dialysis services, 2-3 physician visits per month (20 years or older) | 21 | 14 | $287 |
In context: peer comparison
Among 4 peers in this city , average services per provider: 106. This provider delivers 8.5× the peer median.Open Payments
Industry payments received
All-time total
$905
Transactions
18
Manufacturers
11
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| Fresenius USA Marketing, Inc. | 3 | $244.08 | |
| NXSTAGE MEDICAL, INC. | 1 | $220.76 | |
| Otsuka America Pharmaceutical, Inc. | 2 | $143.21 | |
| Phathom Pharmaceuticals, Inc. | 1 | $125.27 | |
| Amgen Inc. | 2 | $51.84 | |
| CorMedix Inc. | 1 | $35.95 | |
| CALLIDITAS THERAPEUTICS US INC. | 1 | $20.14 | |
| ABBVIE INC. | 1 | $20.08 | |
| Vifor Pharma, Inc. | 1 | $19.64 | |
| Ardelyx, Inc. | 1 | $14.20 | |
| Travere Therapeutics, Inc. | 4 | $9.61 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
2,884
Patients
944
Total drug cost
$261,346
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Chlorthalidone | Generic | 442 | 135 | $9,602 |
| Losartan Potassium | Generic | 387 | 126 | $5,281 |
| Carvedilol | Generic | 264 | 86 | $3,081 |
| Atorvastatin Calcium | Generic | 245 | 84 | $3,153 |
| Spironolactone | Generic | 226 | 73 | $2,907 |
| Amlodipine Besylate | Generic | 184 | 70 | $1,405 |
| Calcitriol | Generic | 182 | 63 | $5,970 |
| Nifedipine Er (Nifedipine) | Brand | 181 | 59 | $8,505 |
| Jardiance (Empagliflozin) | Brand | 168 | 42 | $209,974 |
| Torsemide | Generic | 156 | 57 | $2,922 |
Hospital affiliations
Frequently asked questions
What is Dr. Nicholas Mayer's medical specialty?
Dr. Nicholas Mayer practices Nephrology Physician in Florissant, MO.
Where does Dr. Nicholas Mayer practice?
Dr. Nicholas Mayer practices at 1265 Graham RD Ste 1, Florissant, MO 630318018. Office phone: 3147411600.
What is Dr. Nicholas Mayer's NPI?
Dr. Nicholas Mayer's National Provider Identifier (NPI) is 1104075597, issued by NPPES.
Does Dr. Nicholas Mayer accept Medicare assignment?
Yes. Dr. Nicholas Mayer accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Nicholas Mayer commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99215); Subsequent hospital care with moderate levelof medical decision making (HCPCS 99233); Dialysis services, 4 or more physician visits per month (20 years or older) (HCPCS 90960). Source: CMS Medicare Physician & Other Practitioners file.