Doctor profile · Federal record
Dr. Ronaldo de Guzman, D.O.
Family Medicine Physician (CMS: Family Practice) · Marlton, NJ
- NPI 1659478212
- Accepts Medicare
- 32 yrs in practice
- Male
- Solo practice
- No sanctions
Practice & contact
- Primary practice
-
105 Evesboro Medford RD Ste I
Marlton, NJ 080533865
(856) 596-9050
fax (856) 596-0320 - Mailing address
-
401 Viking Ln
Cherry Hill, NJ 080033333
Credentials & registration
- NPI registered
- September 2006 — 20 yrs on file
- Profile last updated
- August 15, 2025
- Year of graduation
- 1994 — 32 yrs since
- Specialty taxonomy
- 207Q00000X — NUCC code
- State license (1)
- New Jersey #MB065660
- Medicaid
- NJ #7440405
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1659478212. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
2,303
Distinct HCPCS
10
Medicare allowed
$121,621
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
36415 |
Insertion of needle into vein for collection of blood sample | 594 | 285 | $8 | |
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 560 | 269 | $78 | |
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 496 | 234 | $88 | |
G0008 |
Administration of influenza virus vaccine | 198 | 197 | $31 | |
90694 |
Influenza vaccine, quadrivalent inactivated, 0.5 ml dosage | 194 | 193 | $76 | |
93000 |
Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report | 102 | 95 | $15 | |
G0439 |
Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit | 46 | 46 | $53 | |
94010 |
Test to measure expiratory airflow and volume | 30 | 27 | $29 | |
G0506 |
Comprehensive assessment of and care planning for patients requiring chronic care management services (list separately in addition to primary monthly care management service) | 25 | 25 | $66 | |
81000 |
Manual urinalysis test with examination using microscope, non-automated | 20 | 15 | $4 |
In context: peer comparison
Among 8 peers in Marlton Family Medicine Physician, average services per provider: 95. This provider delivers 24× the peer median.Open Payments
Industry payments received
All-time total
$33
Transactions
2
Manufacturers
2
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| Merck Sharp & Dohme LLC | 1 | $16.60 | |
| Abbvie INC. | 1 | $16.52 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
3,022
Patients
980
Total drug cost
$36,897
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Atorvastatin Calcium | Generic | 487 | 182 | $6,568 |
| Losartan Potassium | Generic | 337 | 91 | $4,782 |
| Amlodipine Besylate | Generic | 321 | 102 | $2,155 |
| Levothyroxine Sodium | Generic | 269 | 84 | $3,923 |
| Alprazolam | Generic | 230 | 54 | $1,824 |
| Metformin Hcl | Generic | 206 | 69 | $2,004 |
| Lisinopril | Generic | 194 | 73 | $1,977 |
| Omeprazole | Generic | 147 | 58 | $2,351 |
| Metoprolol Succinate | Generic | 134 | 45 | $2,811 |
| Rosuvastatin Calcium | Generic | 131 | 47 | $2,524 |
Hospital affiliations
Frequently asked questions
What is Dr. Ronaldo de Guzman's medical specialty?
Dr. Ronaldo de Guzman practices Family Medicine Physician in Marlton, NJ.
Where does Dr. Ronaldo de Guzman practice?
Dr. Ronaldo de Guzman practices at 105 Evesboro Medford RD Ste I, Marlton, NJ 080533865. Office phone: 8565969050.
What is Dr. Ronaldo de Guzman's NPI?
Dr. Ronaldo de Guzman's National Provider Identifier (NPI) is 1659478212, issued by NPPES.
Does Dr. Ronaldo de Guzman accept Medicare assignment?
Yes. Dr. Ronaldo de Guzman accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Ronaldo de Guzman commonly perform?
Top Medicare-reported procedures in 2023: Insertion of needle into vein for collection of blood sample (HCPCS 36415); Established patient office or other outpatient visit (HCPCS 99213); Established patient office or other outpatient visit (HCPCS 99214). Source: CMS Medicare Physician & Other Practitioners file.