Doctor profile · Federal record
Dr. Rohan Rengen, D.O.
Nephrology Physician (CMS: Nephrology) · Internal Medicine Physician · Frederick, MD
- NPI 1609067792
- Accepts Medicare
- 25 yrs in practice
- Male
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
5205 Chairmans CT, Suite 100
Frederick, MD 217032915
(301) 696-0012
fax (301) 696-0016
Credentials & registration
- NPI registered
- August 2007 — 19 yrs on file
- Profile last updated
- June 13, 2016
- Year of graduation
- 2001 — 25 yrs since
- Specialty taxonomy
- 207RN0300X — NUCC code
- State license (1)
- Maryland #H0065835
- Medicaid
- WV #3810009573
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1609067792. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
2,965
Distinct HCPCS
10
Medicare allowed
$374,939
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 1,331 | 577 | $116 | |
90960 |
Dialysis services, 4 or more physician visits per month (20 years or older) | 310 | 40 | $348 | |
99232 |
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | 241 | 105 | $79 | |
99457 |
Management using the results of remote vital sign monitoring per calendar month, first 20 minutes | 225 | 36 | $49 | |
99458 |
Management using the results of remote vital sign monitoring per calendar month, each additional 20 minutes | 190 | 36 | $40 | |
99215 |
Established patient office or other outpatient visit, 40-54 minutes | 163 | 101 | $137 | |
99454 |
Remote monitoring of physiologic parameters, initial supply of devices with daily recordings or programmed alerts transmission, each 30 days | 153 | 32 | $51 | |
99204 |
New patient office or other outpatient visit, 45-59 minutes | 121 | 121 | $168 | |
99223 |
Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes | 81 | 77 | $174 | |
90935 |
Hemodialysis procedure with physician evaluation | 42 | 29 | $71 |
In context: peer comparison
Among 6 peers in Frederick Nephrology Physician, average services per provider: 160. This provider delivers 19× the peer median.Open Payments
Industry payments received
All-time total
$3,128
Transactions
114
Manufacturers
15
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| Ani Pharmaceuticals, INC. | 18 | $591.80 | |
| Amgen INC. | 14 | $497.05 | |
| Otsuka America Pharmaceutical, INC. | 11 | $329.45 | |
| Bayer Healthcare Pharmaceuticals INC. | 10 | $192.61 | |
| AstraZeneca Pharmaceuticals Lp | 2 | $185.13 | |
| Alexion Pharmaceuticals, INC. | 5 | $162.43 | |
| Calliditas Therapeutics US INC. | 8 | $151.37 | |
| Mallinckrodt Hospital Products INC. | 7 | $148.59 | |
| Novo Nordisk INC | 7 | $139.13 | |
| Vifor Pharma, INC. | 7 | $134.51 | |
| Travere Therapeutics, INC. | 12 | $122.39 | |
| Aurinia Pharma U.S., INC. | 5 | $100.52 | |
| Ardelyx, INC. | 4 | $79.75 | |
| Tactile Systems Technology INC | 1 | $74.43 | |
| Fresenius USA Marketing, INC. | 3 | $73.64 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
1,205
Patients
359
Total drug cost
$188,450
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Losartan Potassium | Generic | 169 | 55 | $2,018 |
| Furosemide | Generic | 134 | 45 | $1,278 |
| Amlodipine Besylate | Generic | 132 | 46 | $1,194 |
| Allopurinol | Generic | 96 | 31 | $1,457 |
| Carvedilol | Generic | 94 | 31 | $1,584 |
| Hydralazine Hcl | Generic | 91 | 33 | $2,063 |
| Veltassa (Patiromer Calcium Sorbitex) | Brand | 72 | 19 | $94,717 |
| Lokelma (Sodium Zirconium Cyclosilicate) | Brand | 65 | 14 | $66,887 |
| Clinisol (Parenteral Amino Acid 15% No.5) | Brand | 64 | 0 | $6,652 |
| Lisinopril | Generic | 63 | 18 | $670 |
Hospital affiliations
Frequently asked questions
What is Dr. Rohan Rengen's medical specialty?
Dr. Rohan Rengen practices Nephrology Physician in Frederick, MD.
Where does Dr. Rohan Rengen practice?
Dr. Rohan Rengen practices at 5205 Chairmans CT, Frederick, MD 217032915. Office phone: 3016960012.
What is Dr. Rohan Rengen's NPI?
Dr. Rohan Rengen's National Provider Identifier (NPI) is 1609067792, issued by NPPES.
Does Dr. Rohan Rengen accept Medicare assignment?
Yes. Dr. Rohan Rengen accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Rohan Rengen commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Dialysis services, 4 or more physician visits per month (20 years or older) (HCPCS 90960); Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232). Source: CMS Medicare Physician & Other Practitioners file.