Internal Medicine · Chicago, IL
NPI
1780676668
Since 2005
Specialty
Internal Medicine
Code 207R00000X
Group practices
1
Medicare group memberships
Hospitals
2
Hospital affiliations
1460 N Halsted St Ste 501
Chicago, IL, 60642
Phone (773) 388-6390
Groups this clinician bills Medicare through
Medicare paid, 2024
$348K
30,660 services
Medicare patients, 2024
438
Average age 65
Drug cost, 2024
$1.3M
5,580 prescriptions
Company payments, 2025
$51K
From 13 companies
Procedures and visits billed to Original Medicare, 2024
In 2024, the most common Medicare service billed by Merle L Diamond was code J0585 (injection, onabotulinumtoxina, 1 unit), 27,712 times for 58 patients. In total Merle L Diamond billed 30,660 services in 37 codes, and Medicare paid $348K.
| Code |
|---|
Official US government data: the national provider registry and Medicare enrollment records, linked by NPI. Last update of this record: 2025-10-31.
| Setting |
|---|
| Services |
|---|
| Patients |
|---|
| Paid per service |
|---|
| Medicare paid |
|---|
| J0585 Injection, onabotulinumtoxina, 1 unit | Office | 27,712 | 58 | $4.98 | $138K |
| 99233 Hospital E&M - Subsequent | Facility | 835 | 82 | $89.75 | $75K |
| 99214 Office E&M - Established | Office | 465 | 271 | $90.00 | $42K |
| 99213 Office E&M - Established | Office | 445 | 223 | $68.11 | $30K |
| 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 | 376 | 248 | $13.26 | $4,986 |
| 64615 Musculoskeletal | Office | 141 | 60 | $131.53 | $19K |
| 96372 Injection Administration | Office | 99 | 38 | $10.53 | $1,043 |
| 99223 Hospital E&M - Initial | Facility | 98 | 78 | $116.85 | $11K |
| 99239 Hospital Discharge Management | Facility | 93 | 72 | $85.78 | $7,977 |
| 99205 Office E&M - New | Office | 55 | 55 | $176.26 | $9,694 |
| 80305 Drug Tests | Office | 45 | 41 | $11.15 | $502 |
| J2550 Injection, promethazine hcl, up to 50 mg | Office | 42 | 20 | $2.36 | $99.06 |
| J1230 Injection, methadone hcl, up to 10 mg | Office | 42 | 20 | $13.99 | $587 |
| J1885 Injection, ketorolac tromethamine, per 15 mg | Office | 42 | 11 | $0.54 | $22.53 |
| J1010 Injection, methylprednisolone acetate, 1 mg | Office | 27 | 19 | $0.10 | $2.62 |
By year: 2022 $246K for 13,220 services; 2023 $339K for 21,023 services; 2024 $348K for 30,660 services.
Lab tests billed to Medicare, 2024
| Test code | Tests | Patients | Paid per test | Medicare paid |
|---|---|---|---|---|
| 80305 Drug Tests | 45 | 41 | $11.15 | $502 |
Medicare prescription drug claims, 2024
In 2024, the drug Merle L Diamond prescribed most often to Medicare patients was Tizanidine Hcl, with 238 prescriptions and refills. In total Merle L Diamond wrote 5,580 Medicare prescriptions that cost $1.3M.
| Drug | Claims | 30-day fills | Patients | Cost |
|---|---|---|---|---|
| Tizanidine Hcl Generic | 238 | 369 | 57 | $2,795 |
| Diphenhydramine Hcl Generic | 213 | 237 | 55 | $5,088 |
| Emgality Pen Galcanezumab-Gnlm | 179 | 207 | 29 | $156K |
| Memantine Hcl Generic | 174 | 292 | 41 | $4,475 |
| Doxepin Hcl Generic | 164 | 291 | 43 | $5,154 |
| Haloperidol Generic | 158 | 179 | 38 | $570 |
| Aimovig Autoinjector Erenumab-Aooe | 157 | 223 | 29 | $164K |
| Benztropine Mesylate Generic | 156 | 180 | 49 | $389 |
| Sumatriptan Succinate Generic | 153 | 188 | 36 | $8,944 |
| Amitriptyline Hcl Generic | 149 | 313 | 32 | $3,021 |
| Baclofen Generic | 144 | 171 | 46 | $812 |
| Dexamethasone Generic | 139 | 139 | 80 | $346 |
| Nurtec Odt Rimegepant Sulfate | 137 | 148 | 27 | $258K |
| Ketorolac Tromethamine Generic | 124 | 143 | 38 | $1,924 |
| Nebivolol Hcl Generic | 115 | 252 | 31 | $6,551 |
Brand drugs: 933 claims; generic drugs: 4,647 claims; opioid claims: 107.
Money and other things of value reported by the companies
In 2025, drug and medical device companies paid Merle L Diamond $51K ($51K in general payments such as food, travel and fees) from 13 companies. The largest payer was Abbvie Inc. with $22K.
| Company | Payments | Amount |
|---|---|---|
| Abbvie Inc. ABBV | 51 | $22K |
| Lundbeck LLC | 18 | $11K |
| Pfizer Inc. PFE | 20 | $7,752 |
| Impel Pharmaceuticals LLC | 12 | $5,258 |
| Axsome Therapeutics, Inc. AXSM | 14 | $4,974 |
| Teva Pharmaceuticals USA, Inc. TEVA | 10 | $284 |
| Neurocrine BioSciences, Inc. NBIX | 5 | $109 |
| Lilly USA, LLC LLY | 3 | $78.88 |
| Tonix Medicines, Inc. | 3 | $60.89 |
| Janssen Pharmaceuticals, Inc JNJ | 1 | $27.17 |
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.