Doctor profile · Federal record
Dr. Karen Diaz, PA-C
Physician Assistant · Medical Physician Assistant · Pasadena, MD
- NPI 1639602147
- Accepts Medicare
- MIPS 76.3 / 100 · 2023
- 10 yrs in practice
- Female
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
33 Magothy Beach RD, #102
Pasadena, MD 211224413
(410) 983-3070
Credentials & registration
- NPI registered
- April 2017 — 9 yrs on file
- Year of graduation
- 2016 — 10 yrs since
- Specialty taxonomy
- 363A00000X — NUCC code
- State license (1)
- Maryland #C0006431
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1639602147. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
508
Distinct HCPCS
10
Medicare allowed
$35,059
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 88 | 88 | $120 | |
99204 |
New patient office or other outpatient visit, 45-59 minutes | 67 | 67 | $154 | |
87804 |
Detection test by immunoassay with direct visual observation for influenza virus | 52 | 26 | $16 | |
81003 |
Automated urinalysis test | 48 | 48 | $2 | |
87426 |
Detection test by immunoassay technique for severe acute respiratory syndrome coronavirus | 37 | 37 | $34 | |
82962 |
Blood glucose (sugar) test performed by hand-held instrument | 35 | 35 | $3 | |
71046 |
X-ray of chest, 2 views | 34 | 33 | $28 | |
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 34 | 34 | $86 | |
87880 |
Detection test by immunoassay with direct visual observation for streptococcus, group a (strep) | 29 | 29 | $16 | |
99203 |
New patient office or other outpatient visit, 30-44 minutes | 20 | 20 | $106 |
In context: peer comparison
Among 7 peers in Pasadena Physician Assistant, average services per provider: 49. This provider delivers 10× the peer median.Medicare Part D · 2023
Top prescriptions
Total claims
58
Patients
57
Total drug cost
$473
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Doxycycline Hyclate | Generic | 18 | 17 | $180 |
| Cephalexin | Generic | 16 | 16 | $135 |
| Triamcinolone Acetonide | Generic | 13 | 13 | $89 |
| Amoxicillin-Clavulanate Potass (Amoxicillin/Potassium Clav) | Brand | 11 | 11 | $69 |
Frequently asked questions
What is Dr. Karen Diaz's medical specialty?
Dr. Karen Diaz practices Physician Assistant in Pasadena, MD.
Where does Dr. Karen Diaz practice?
Dr. Karen Diaz practices at 33 Magothy Beach RD, Pasadena, MD 211224413. Office phone: 4109833070.
What is Dr. Karen Diaz's NPI?
Dr. Karen Diaz's National Provider Identifier (NPI) is 1639602147, issued by NPPES.
Does Dr. Karen Diaz accept Medicare assignment?
Yes. Dr. Karen Diaz accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Karen Diaz commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); New patient office or other outpatient visit (HCPCS 99204); Detection test by immunoassay with direct visual observation for influenza virus (HCPCS 87804). Source: CMS Medicare Physician & Other Practitioners file.