Physician Profile
Rohan R. Rengen, D.O.
Unclaimed ProfileAbout Dr. Rengen
Rohan R. Rengen, D.O. practices nephrology in Frederick, MD. Rohan is also listed as specializing in internal medicine. According to Medicare claims data, Rohan cared for 1,266 Medicare patients across 3,555 services. The services billed most often include established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more, subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes, and management using the results of remote vital sign monitoring per calendar month, first 20 minutes. The provider's National Provider Identifier (NPI) is 1609067792.
Factual summary compiled by Guide.md from public records; not written by this provider.
Education & Training
Specialty
Credentials & Licensing
Medicare information
Exactly as CMS reports it (National Downloadable File, Opt-Out Affidavits, Order & Referring). Not an insurance directory; confirm coverage with the office.
Contact Information
- (301) 696-0012
- Email not available
Practice Locations
5205 CHAIRMANS CT SUITE 100
Frederick, MD 21703
Conditions Commonly Evaluated or Treated
Within Nephrology generally. Availability varies by clinician, training and location — this profile has not been claimed, so nothing here is a personal claim by the provider.
Conditions
Most searched conditions
Acid-base disorders
Anatomical conditions
Autoimmune conditions
Blood disorders
Blood pressure
Cysts and growths
Diabetes complications
Dialysis complications
Electrolyte disorders
Fluid retention
Genetic disorders
Hormone disorders
Infections
Inflammatory conditions
Kidney damage
Kidney failure
Kidney filter diseases
Lab abnormalities
Metabolic disorders
Multi-organ conditions
Structural kidney issues
Symptoms
Urine abnormalities
Urine symptoms
Vascular conditions
Vascular kidney issues
Procedures & services
Most searched procedures
Consultations
Diagnostic tests
Diagnostics
Dialysis
Dialysis access
- Dialysis Access Physical Exam
- Dialysis Catheter Removal
- Dialysis Fistula Repair
- Temporary Dialysis Line Placement
Diet and nutrition
Imaging
Infusions
Interventional procedures
Lab tests
- 24-hour urine test
- Comprehensive Metabolic Panel
- Kidney Function Blood Test
- Parathyroid hormone monitoring
- Urine protein check
- Urine sediment test
Medication management
- Active Vitamin D Therapy
- Resistant Blood Pressure Medication Adjustment
- Steroid Therapy For Kidney Inflammation
Medication therapy
- Acid reducer treatment for kidneys
- Phosphate binder therapy
- Potassium lowering treatment
- Red blood cell booster injections
- Water pill adjustment
Patient education
Prevention
Procedures
Specialized therapies
Supportive care
Surgical procedures
Transplant care
Vascular access
Procedures Most Often Billed to Medicare
3,555 services · 1,266 patients · 14 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Dialysis services, 4 or more physician visits per month (20 years or older) | Treatment | 90960 |
349 | More than most peers in Nephrology |
| Hemodialysis procedure with physician evaluation | Treatment | 90935 |
50 | As often as other peers in Nephrology |
| Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more | Office visit | 99214 |
1,307 | More than most peers in Nephrology |
| Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | Office visit | 99232 |
421 | More often than most peers in Nephrology |
| Management using the results of remote vital sign monitoring per calendar month, first 20 minutes | Office visit | 99457 |
391 | More often than most peers in Nephrology |
| Management using the results of remote vital sign monitoring per calendar month, each additional 20 minutes | Office visit | 99458 |
355 | More often than most peers in Nephrology |
| Remote monitoring of physiologic parameters, initial supply of devices with daily recordings or programmed alerts transmission, each 30 days | Office visit | 99454 |
257 | More often than most peers in Nephrology |
| Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more | Office visit | 99215 |
130 | More often than most peers in Nephrology |
| Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes | Office visit | 99223 |
101 | More often than most peers in Nephrology |
| New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more | Office visit | 99204 |
74 | More than most peers in Nephrology |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Related providers
Connections drawn from the registry and from what providers have told us. A link here is not a referral or an endorsement.
Other kidney specialists at this location 2
Same specialty, same street address — most likely the same department or group.
Also at this address 4
Providers at the same street address. Each files their own registry entry, so a shared practice often appears under several different names.
Other kidney specialists in Frederick 5
Same specialty, same city.
More connections — 7 related providers in 1 group
Also performs Dialysis services, 4 or more physician visits per month (20 years or older) 7
Providers in MD who bill this service to Medicare most often.
Common questions
What kind of doctor is Rohan R. Rengen?
Rohan R. Rengen is a kidney specialist in Frederick, MD. That is the designation recorded for this NPI in the federal registry, where it is listed as “Nephrology”.
NPI registry
What is Rohan R. Rengen's address?
Rohan R. Rengen is listed at 5205 Chairmans CT Suite 100, Frederick, MD 21703. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How can I make an appointment with Rohan R. Rengen?
The number on file is (301) 696-0012. Contact the office directly to confirm availability and scheduling.
NPI registry
What is Rohan R. Rengen's NPI number?
Rohan R. Rengen's National Provider Identifier is 1609067792. It is issued by the Centers for Medicare & Medicaid Services and is unique and permanent — it does not change if they move practice.
NPI registry
Where did Rohan R. Rengen train?
Rohan R. Rengen attended Other, graduating in 2001. This comes from the CMS National Downloadable File.
CMS public data
How long has Rohan R. Rengen been practicing?
Rohan R. Rengen has 25 years experience. Calculated from a graduation year of 2001, reported in the CMS National Downloadable File.
CMS public data
What procedures does Rohan R. Rengen perform?
According to Medicare billing data, Rohan R. Rengen provides treatments such as dialysis services, 4 or more physician visits per month and hemodialysis procedure with physician evaluation, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Has Rohan R. Rengen confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by Rohan R. Rengen. If this is you, claiming it is free.
Guide.md
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