Allergy and Immunology · Grand Rapids, MI
NPI
1669766325
Since 2011
Specialty
Allergy and Immunology
Code 207K00000X
Group practices
1
Medicare group memberships
Hospitals
2
Hospital affiliations
3271 Clear Vista Ct NE
Grand Rapids, MI, 49525
Phone (616) 267-7125
Groups this clinician bills Medicare through
Medicare paid, 2024
$8,965
214 services
Medicare patients, 2024
59
Average age 62
Drug cost, 2024
$1.6M
356 prescriptions
Company payments, 2025
$98K
From 16 companies
Procedures and visits billed to Original Medicare, 2024
In 2024, the most common Medicare service billed by Nicholas L Hartog was code 99215 (office e&m - established), 39 times for 28 patients. In total Nicholas L Hartog billed 214 services in 13 codes, and Medicare paid $8,965.
| Code |
|---|
Official US government data: the national provider registry and Medicare enrollment records, linked by NPI. Last update of this record: 2021-03-17.
| Setting |
|---|
| Services |
|---|
| Patients |
|---|
| Paid per service |
|---|
| Medicare paid |
|---|
| 99215 Office E&M - Established | Office | 39 | 28 | $108.04 | $4,214 |
| G2211 Visit complexity inherent to evaluation and management associated with medical care services that serve as the continuing focal point for all needed health care services and/or with medical care services that are part of ongoing care related to a patient's | Office | 32 | 24 | $13.03 | $417 |
| 99214 Office E&M - Established | Office | 18 | 16 | $72.98 | $1,314 |
| 99205 Office E&M - New | Office | 12 | 12 | $113.16 | $1,358 |
| 99204 Office E&M - New | Office | 11 | 11 | $99.81 | $1,098 |
By year: 2022 $9,560 for 249 services; 2023 $16K for 445 services; 2024 $8,965 for 214 services.
Medicare prescription drug claims, 2024
In 2024, the drug Nicholas L Hartog prescribed most often to Medicare patients was Montelukast Sodium, with 51 prescriptions and refills. In total Nicholas L Hartog wrote 356 Medicare prescriptions that cost $1.6M.
| Drug | Claims | 30-day fills | Patients | Cost |
|---|---|---|---|---|
| Montelukast Sodium Generic | 51 | 121 | 12 | $709 |
| Albuterol Sulfate Hfa Albuterol Sulfate | 28 | 46 | 14 | $1,545 |
| Azelastine Hcl Generic | 27 | 61 | 11 | $984 |
| Fluticasone Propionate Generic | 24 | 46 | Under 11 | $440 |
| Dupixent Syringe Dupilumab | 21 | 21 | Under 11 | $75K |
| Sulfamethoxazole-Trimethoprim Sulfamethoxazole/Trimethoprim | 18 | 24 | Under 11 | $351 |
| Ipratropium Bromide Generic | 18 | 28 | Under 11 | $744 |
| Prednisone Generic | 17 | 31 | Under 11 | $93.57 |
| Trelegy Ellipta Fluticasone/Umeclidin/Vilanter | 14 | 14 | Under 11 | $8,225 |
| Azithromycin Generic | 12 | 14 | Under 11 | $312 |
| Amoxicillin-Clavulanate Potass Amoxicillin/Potassium Clav | 11 | 15 | Under 11 | $259 |
| Actimmune Interferon Gamma-1b,recomb. | 11 | 11 | Under 11 | $1.5M |
| Xolair Omalizumab | 11 | 11 | Under 11 | $29K |
Brand drugs: 105 claims; generic drugs: 251 claims.
Money and other things of value reported by the companies
In 2025, drug and medical device companies paid Nicholas L Hartog $98K ($98K in general payments such as food, travel and fees) from 16 companies. The largest payer was Takeda Pharmaceuticals U.S.A., Inc. with $48K.
| Company | Payments | Amount |
|---|---|---|
| Takeda Pharmaceuticals U.S.A., Inc. TAK | 61 | $48K |
| Pharming Healthcare, Inc. | 66 | $29K |
| Amgen Inc. AMGN | 23 | $20K |
| Grifols Shared Services North America, Inc. | 1 | $112 |
| Regeneron Healthcare Solutions, Inc. REGN | 3 | $94.91 |
| GlaxoSmithKline, LLC. GSK | 4 | $83.84 |
| ARS Pharmaceuticals Operations, Inc. SPRY | 3 | $76.93 |
| Grifols USA, LLC | 2 | $73.86 |
| E.R. Squibb & Sons, L.L.C. BMY | 2 | $60.47 |
| Novartis Pharmaceuticals Corporation NVS | 2 | $49.45 |
Official US government data on Original Medicare services, Medicare prescription drug plans and the payments drug and device companies must report. Services with fewer than 11 patients and drugs with fewer than 11 claims are not published. Procedure codes are shown by number with their public category.