Doctor profile · Federal record
Dr. Michael Ruddy, M.D.
Specialist (CMS: Nephrology) · Princeton Junction, NJ
- NPI 1831138015
- Accepts Medicare
- MIPS 98.9 / 100 · 2023
- 52 yrs in practice
- Male
- No sanctions
Practice & contact
- Primary practice
-
88 Princeton Hightstown RD, Suite 203
Princeton Junction, NJ 085501100
(609) 750-7330
fax (609) 750-7336
Credentials & registration
- NPI registered
- June 2006 — 20 yrs on file
- Profile last updated
- July 8, 2007
- Year of graduation
- 1974 — 52 yrs since
- Specialty taxonomy
- 174400000X — NUCC code
- State license (1)
- New Jersey #MA31313
- Medicaid
- NJ #1214608
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1831138015. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
891
Distinct HCPCS
6
Medicare allowed
$112,749
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 296 | 164 | $138 | |
99091 |
Collection and interpretation of physical parameters stored in computers and/or transmitted by the patient and/or caregiver to qualified health care professional, requiring 30 minutes or more, per 30 days | 269 | 132 | $58 | |
99215 |
Established patient office or other outpatient visit, 40-54 minutes | 256 | 105 | $193 | |
93784 |
Ambulatory blood pressure monitoring, 1 day or longer, with recording, scanning analysis, interpretation, and report | 24 | 24 | $49 | |
99211 |
Office or other outpatient visit for the evaluation and management of established patient that may not require presence of healthcare professional | 24 | 24 | $26 | |
99205 |
New patient office or other outpatient visit, 60-74 minutes | 22 | 22 | $238 |
In context: peer comparison
Among 4 peers in Princeton Junction Specialist, average services per provider: 164. This provider delivers 5.4× the peer median.Open Payments
Industry payments received
All-time total
$298
Transactions
13
Manufacturers
7
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| Amgen INC. | 2 | $113.21 | |
| Novartis Pharmaceuticals Corporation | 3 | $53.62 | |
| Otsuka America Pharmaceutical, INC. | 2 | $34.99 | |
| Ardelyx, INC. | 2 | $32.24 | |
| Aurinia Pharma U.S., INC. | 2 | $31.58 | |
| Otsuka Pharmaceutical Development & Commercialization, INC. | 1 | $16.83 | |
| Bayer Healthcare Pharmaceuticals INC. | 1 | $15.19 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
1,711
Patients
521
Total drug cost
$40,354
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Amlodipine Besylate | Generic | 320 | 95 | $3,092 |
| Chlorthalidone | Generic | 269 | 84 | $6,120 |
| Atorvastatin Calcium | Generic | 155 | 48 | $2,025 |
| Irbesartan | Generic | 149 | 44 | $7,637 |
| Bisoprolol Fumarate | Generic | 123 | 37 | $9,225 |
| Losartan Potassium | Generic | 116 | 33 | $2,380 |
| Allopurinol | Generic | 102 | 34 | $1,578 |
| Rosuvastatin Calcium | Generic | 79 | 25 | $2,688 |
| Spironolactone | Generic | 79 | 25 | $1,002 |
| Furosemide | Generic | 67 | 22 | $779 |
Frequently asked questions
What is Dr. Michael Ruddy's medical specialty?
Dr. Michael Ruddy practices Specialist in Princeton Junction, NJ.
Where does Dr. Michael Ruddy practice?
Dr. Michael Ruddy practices at 88 Princeton Hightstown RD, Princeton Junction, NJ 085501100. Office phone: 6097507330.
What is Dr. Michael Ruddy's NPI?
Dr. Michael Ruddy's National Provider Identifier (NPI) is 1831138015, issued by NPPES.
Does Dr. Michael Ruddy accept Medicare assignment?
Yes. Dr. Michael Ruddy accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Michael Ruddy commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Collection and interpretation of physical parameters stored in computers and/or transmitted by the patient and/or caregiver to qualified health care professional, requiring 30 minutes or more, per 30 days (HCPCS 99091); Established patient office or other outpatient visit (HCPCS 99215). Source: CMS Medicare Physician & Other Practitioners file.