Doctor profile · Federal record
Dr. Karen Alcaraz, M.D.
Internal Medicine Physician (CMS: Internal Medicine) · Internal Medicine Physician · Kalamazoo, MI
- NPI 1922199900
- Accepts Medicare
- MIPS 84.9 / 100 · 2023
- 28 yrs in practice
- Licensed in 2 states
- Female
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
601 John St, Box 74
Kalamazoo, MI 490075341
(269) 341-8481
fax (269) 341-7781
Credentials & registration
- NPI registered
- September 2006 — 20 yrs on file
- Profile last updated
- October 30, 2014
- Year of graduation
- 1998 — 28 yrs since
- Specialty taxonomy
- 207R00000X — NUCC code
- State licenses (2)
- Michigan #4301094577 · Illinois #036-115236
- Medicaid
- MI #1922199900
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1922199900. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
564
Distinct HCPCS
4
Medicare allowed
$45,222
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99232 |
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | 380 | 153 | $77 | |
99238 |
Hospital discharge day management, 30 minutes or less | 89 | 88 | $79 | |
99222 |
Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes | 52 | 51 | $128 | |
99231 |
Subsequent hospital care with straightforward or low level of medical decision making, per day, if using time, at least 25 minutes | 43 | 25 | $49 |
In context: peer comparison
Among 57 peers in Kalamazoo Internal Medicine Physician, average services per provider: 93. This provider delivers 6.1× the peer median.Open Payments
Industry payments received
All-time total
$172
Transactions
6
Manufacturers
4
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| Boehringer Ingelheim Pharmaceuticals, INC. | 2 | $102.14 | |
| Pfizer INC. | 2 | $38.44 | |
| Merck Sharp & Dohme LLC | 1 | $15.83 | |
| Zoll Services LLC (A/K/A Zoll LifeCor Corp) | 1 | $15.67 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
94
Patients
79
Total drug cost
$13,138
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Atorvastatin Calcium | Generic | 19 | 13 | $248 |
| Cefpodoxime Proxetil | Generic | 19 | 19 | $648 |
| Eliquis (Apixaban) | Brand | 16 | 11 | $12,016 |
| Metoprolol Tartrate | Generic | 15 | 12 | $79 |
| Amlodipine Besylate | Generic | 13 | 12 | $103 |
| Prednisone | Generic | 12 | 12 | $44 |
Hospital affiliations
Frequently asked questions
What is Dr. Karen Alcaraz's medical specialty?
Dr. Karen Alcaraz practices Internal Medicine Physician in Kalamazoo, MI.
Where does Dr. Karen Alcaraz practice?
Dr. Karen Alcaraz practices at 601 John St, Kalamazoo, MI 490075341. Office phone: 2693418481.
What is Dr. Karen Alcaraz's NPI?
Dr. Karen Alcaraz's National Provider Identifier (NPI) is 1922199900, issued by NPPES.
Does Dr. Karen Alcaraz accept Medicare assignment?
Yes. Dr. Karen Alcaraz accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Karen Alcaraz commonly perform?
Top Medicare-reported procedures in 2023: Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232); Hospital discharge day management (HCPCS 99238); Initial hospital care with straightforward or low-level medical decision making (HCPCS 99222). Source: CMS Medicare Physician & Other Practitioners file.