Physician Profile
Joshua MATTHEW VARGHISE Mammen, MD
Unclaimed ProfileAbout Dr. Mammen
Based in Omaha, NE, Joshua MATTHEW VARGHISE Mammen, MD is listed in the NPI registry under surgical oncology. Joshua graduated from Boston University School of Medicine in 1999. Joshua is also listed as specializing in surgery of the hand. Medicare claims data shows Joshua provided 245 services to 176 patients. The services billed most often include established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more, visit complexity inherent to evaluation and management associated with medical care services that serve as the continuing focal point for all needed health care services and/or with medical care services that are part of ongoing care related to a patient', and new patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more. NPI 1326259623 identifies this record in the national registry.
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
- (402) 559-7298
- Email not available
Practice Locations
986880 NEBRASKA MEDICAL CENTER
Omaha, NE 68198
Procedures Most Often Billed to Medicare
245 services · 176 patients · 7 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Imaging of lymph nodes during surgery | Procedure | 38900 |
13 | Less often than most peers in Surgical Oncology |
| Biopsy or removal of deep lymph nodes of underarm | Procedure | 38525 |
11 | Less often than most peers in Surgical Oncology |
| Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more | Office visit | 99213 |
84 | More often than most peers in Surgical Oncology |
| Visit complexity inherent to evaluation and management associated with medical care services that serve as the continuing focal point for all needed health care services and/or with medical care services that are part of ongoing care related to a patient' | Billing code | G2211 |
71 | More often than most peers in Surgical Oncology |
| New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more | Office visit | 99204 |
29 | As often as other peers in Surgical Oncology |
| New patient office or other outpatient visit with a high level of medical decision making, if using time, 60 minutes or more | Office visit | 99205 |
23 | As often as other peers in Surgical Oncology |
| Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more | Office visit | 99214 |
14 | Less often than most peers in Surgical Oncology |
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.
Also at this address 1
Providers at the same street address. Each files their own registry entry, so a shared practice often appears under several different names.
Other surgical oncology specialists in Omaha 7
Same specialty, same city.
Trained at Boston University School of Medicine 8
Other providers in the same specialty who trained at the same institution.
More connections — 10 related providers in 2 groups
Class of 1999 at Boston University School of Medicine 8
Providers who graduated from the same medical school in the same year.
Also performs Imaging of lymph nodes during surgery 2
Providers in NE who bill this service to Medicare most often.
Common questions
What is Dr. Mammen's specialty?
Dr. Mammen is a surgical oncology in Omaha, NE. That is the designation recorded for this NPI in the federal registry.
NPI registry
Where can I find Dr. Mammen?
Dr. Mammen is listed at 986880 Nebraska Medical Center, Omaha, NE 68198. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How do I contact Dr. Mammen?
The number on file is (402) 559-7298. Contact the office directly to confirm availability and scheduling.
NPI registry
What is the NPI for Dr. Mammen?
Dr. Mammen's National Provider Identifier is 1326259623. 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
What is Dr. Mammen's medical education?
Dr. Mammen attended Boston University School of Medicine, graduating in 1999. This comes from the CMS National Downloadable File.
CMS public data
How much experience does Dr. Mammen have?
Dr. Mammen has 27 years experience. Calculated from a graduation year of 1999, reported in the CMS National Downloadable File.
CMS public data
What is Dr. Mammen known for?
According to Medicare billing data, Dr. Mammen performs procedures including imaging of lymph nodes during surgery and biopsy or removal of deep lymph nodes of underarm, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Is Dr. Mammen's profile verified?
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Mammen. If this is you, claiming it is free.
Guide.md
Guide.md listings do not constitute medical advice or an endorsement.