Internal Medicine, Hematology · Altamonte Springs, FL
NPI
1447268297
Since 2006
Specialty
Internal Medicine, Hematology
Code 207RH0000X
Group practices
1
Medicare group memberships
Hospitals
5
Hospital affiliations
894 E Altamonte Dr
Altamonte Springs, FL, 32701
Phone (407) 834-5151
Groups this clinician bills Medicare through
Medicare paid, 2024
$247K
17,794 services
Medicare patients, 2024
1,899
Average age 74
Drug cost, 2024
$2.1M
1,137 prescriptions
Company payments, 2025
$105K
From 24 companies
Procedures and visits billed to Original Medicare, 2024
In 2024, the most common Medicare service billed by Ahmed Zakari was code 80053 (clinical chemistry), 4,110 times for 1,665 patients. In total Ahmed Zakari billed 17,794 services in 27 codes, and Medicare paid $247K.
| Code |
|---|
Official US government data: the national provider registry and Medicare enrollment records, linked by NPI. Last update of this record: 2018-05-09.
| Setting |
|---|
| Services |
|---|
| Patients |
|---|
| Paid per service |
|---|
| Medicare paid |
|---|
| 80053 Clinical Chemistry | Office | 4,110 | 1,665 | $10.34 | $43K |
| 85025 Blood Count | Office | 2,410 | 882 | $7.59 | $18K |
| 83615 Clinical Chemistry | Office | 1,669 | 398 | $5.91 | $9,866 |
| 36415 Venipuncture Blood Collection | Office | 1,614 | 733 | $8.62 | $14K |
| 83735 Clinical Chemistry | Office | 1,336 | 118 | $6.56 | $8,761 |
| 82728 Clinical Chemistry | Office | 1,066 | 634 | $13.36 | $14K |
| 83550 Clinical Chemistry | Office | 1,060 | 631 | $8.57 | $9,084 |
| 83540 Clinical Chemistry | Office | 1,059 | 630 | $6.34 | $6,714 |
| 82607 Clinical Chemistry | Office | 1,026 | 662 | $14.78 | $15K |
| 82378 Clinical Chemistry | Office | 602 | 372 | $18.58 | $11K |
| 99214 Office E&M - Established | Office | 527 | 198 | $92.70 | $49K |
| 86300 Immunoassay | Office | 441 | 313 | $20.39 | $8,992 |
| 85027 Blood Count | Office | 387 | 65 | $6.34 | $2,454 |
| 99215 Office E&M - Established | Office | 123 | 88 | $128.56 | $16K |
| 85045 Blood Count | Office | 111 | 85 | $3.91 | $434 |
By year: 2022 $211K for 14,662 services; 2023 $221K for 14,903 services; 2024 $247K for 17,794 services.
Lab tests billed to Medicare, 2024
| Test code | Tests | Patients | Paid per test | Medicare paid |
|---|---|---|---|---|
| 80053 Clinical Chemistry | 4,110 | 1,665 | $10.34 | $43K |
| 85025 Blood Count | 2,410 | 882 | $7.59 | $18K |
| 83615 Clinical Chemistry | 1,669 | 398 | $5.91 | $9,866 |
| 36415 Venipuncture Blood Collection | 1,614 | 733 | $8.62 | $14K |
| 83735 Clinical Chemistry | 1,336 | 118 | $6.56 | $8,761 |
| 82728 Clinical Chemistry | 1,066 | 634 | $13.36 | $14K |
| 83550 Clinical Chemistry | 1,060 | 631 | $8.57 | $9,084 |
| 83540 Clinical Chemistry | 1,059 | 630 | $6.34 | $6,714 |
| 82607 Clinical Chemistry | 1,026 | 662 | $14.78 | $15K |
| 82378 Clinical Chemistry | 602 | 372 | $18.58 | $11K |
Medicare prescription drug claims, 2024
In 2024, the drug Ahmed Zakari prescribed most often to Medicare patients was Oxycodone Hcl, with 96 prescriptions and refills. In total Ahmed Zakari wrote 1,137 Medicare prescriptions that cost $2.1M.
| Drug | Claims | 30-day fills | Patients | Cost |
|---|---|---|---|---|
| Oxycodone Hcl Generic | 96 | 99 | 30 | $1,953 |
| Tramadol Hcl Generic | 87 | 87 | 43 | $968 |
| Oxycodone-Acetaminophen Oxycodone Hcl/Acetaminophen | 75 | 75 | 25 | $2,031 |
| Ondansetron Odt Ondansetron | 58 | 60 | 51 | $1,783 |
| Fentanyl Generic | 44 | 44 | 13 | $3,939 |
| Morphine Sulfate Er Morphine Sulfate | 39 | 39 | 14 | $1,171 |
| Lorazepam Generic | 34 | 34 | 11 | $151 |
| Hydrocodone-Acetaminophen Hydrocodone/Acetaminophen | 33 | 33 | 16 | $810 |
| Zolpidem Tartrate Generic | 33 | 35 | 12 | $262 |
| Lonsurf Trifluridine/Tipiracil Hcl | 32 | 32 | Under 11 | $400K |
| Diphenoxylate-Atropine Diphenoxylate Hcl/Atropine | 31 | 31 | 17 | $736 |
| Prochlorperazine Maleate Generic | 30 | 30 | 26 | $494 |
| Pantoprazole Sodium Generic | 29 | 42 | 14 | $193 |
| Ondansetron Hcl Generic | 27 | 29 | 18 | $963 |
| Hydromorphone Hcl Generic | 26 | 26 | 11 | $454 |
Brand drugs: 145 claims; generic drugs: 992 claims; opioid claims: 406.
Money and other things of value reported by the companies
In 2025, drug and medical device companies paid Ahmed Zakari $105K ($105K in general payments such as food, travel and fees) from 24 companies. The largest payer was AstraZeneca Pharmaceuticals LP with $28K.
| Company | Payments | Amount |
|---|---|---|
| AstraZeneca Pharmaceuticals LP AZN | 22 | $28K |
| Incyte Corporation INCY | 16 | $18K |
| Taiho Oncology, Inc. 4578.T | 13 | $15K |
| BeOne Medicines USA, Inc. ONC | 8 | $14K |
| Geron Corporation GERN | 6 | $9,995 |
| Exelixis Inc. EXEL | 8 | $7,075 |
| Partner Therapeutics, Inc. | 8 | $4,351 |
| Syndax Pharmaceuticals, Inc. SNDX | 7 | $4,065 |
| Janssen Scientific Affairs, LLC JNJ | 1 | $1,760 |
| BeiGene USA, Inc. ONC | 1 | $1,625 |
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.