Doctor profile · Federal record
Dr. Katherine de Guzman
Family Nurse Practitioner (CMS: Nurse Practitioner) · Registered Nurse · Family Nurse Practitioner · Baltimore, MD
- NPI 1477893600
- Accepts Medicare
- MIPS 86.8 / 100 · 2023
- 14 yrs in practice
- Licensed in 2 states
- Female
- Group practice
- No sanctions
Practice & contact
Operates at 2 locations .
- Primary practice
-
6225 Smith Ave Ste B300
Baltimore, MD 212093613
(410) 583-2653 - Additional location
-
6801 Coldwater Canyon Ave
North Hollywood, CA 916055162
(818) 763-8836 - Mailing address
-
6201 Greenleigh Ave
Middle River, MD 212202004
Credentials & registration
- NPI registered
- February 2013 — 13 yrs on file
- Profile last updated
- July 7, 2025
- Year of graduation
- 2012 — 14 yrs since
- Specialty taxonomy
- 363LF0000X — NUCC code
- State licenses (3)
- Maryland #R253278 · California #774840 · California #22228
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1477893600. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
430
Distinct HCPCS
5
Medicare allowed
$38,334
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 279 | 270 | $80 | |
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 105 | 103 | $114 | |
99443 |
Telephone medical discussion with physician, 21-30 minutes | 18 | 18 | $114 | |
99442 |
Telephone medical discussion with physician, 11-20 minutes | 16 | 16 | $81 | |
99212 |
Established patient office or other outpatient visit, 10-19 minutes | 12 | 12 | $51 |
In context: peer comparison
Among 132 peers in this city , average services per provider: 95. This provider delivers 4.5× the peer median.Open Payments
Industry payments received
All-time total
$105
Transactions
1
Manufacturers
1
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| Lilly USA, LLC | 1 | $105.00 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
266
Patients
143
Total drug cost
$5,453
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Paxlovid (Eua) (Nirmatrelvir/Ritonavir) | Brand | 53 | 52 | $558 |
| Atorvastatin Calcium | Generic | 37 | 18 | $1,039 |
| Amlodipine Besylate | Generic | 29 | 18 | $402 |
| Albuterol Sulfate Hfa (Albuterol Sulfate) | Brand | 26 | 20 | $878 |
| Fluticasone Propionate | Generic | 26 | 18 | $625 |
| Amoxicillin-Clavulanate Potass (Amoxicillin/Potassium Clav) | Brand | 18 | 17 | $203 |
| Lisinopril | Generic | 18 | 0 | $305 |
| Losartan Potassium | Generic | 14 | 0 | $234 |
| Pantoprazole Sodium | Generic | 12 | 0 | $274 |
| Gabapentin | Generic | 11 | 0 | $507 |
Hospital affiliations
Frequently asked questions
What is Dr. Katherine de Guzman's medical specialty?
Dr. Katherine de Guzman practices Family Nurse Practitioner in Baltimore, MD.
Where does Dr. Katherine de Guzman practice?
Dr. Katherine de Guzman practices at 6225 Smith Ave Ste B300, Baltimore, MD 212093613. Office phone: 4105832653.
What is Dr. Katherine de Guzman's NPI?
Dr. Katherine de Guzman's National Provider Identifier (NPI) is 1477893600, issued by NPPES.
Does Dr. Katherine de Guzman accept Medicare assignment?
Yes. Dr. Katherine de Guzman accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Katherine de Guzman commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99213); Established patient office or other outpatient visit (HCPCS 99214); Telephone medical discussion with physician (HCPCS 99443). Source: CMS Medicare Physician & Other Practitioners file.