Physician Profile
Unclaimed ProfileAbout NEILAN
Robert L Neilan, M.D. practices internal medicine in Fountain Valley, CA. Robert is a 1994 graduate of West Virginia University School of Medicine. According to Medicare claims data, Robert cared for 627 Medicare patients across 944 services.
Summarised automatically from public NPI registry and CMS Medicare data. Not written or reviewed by this provider. Claim this profile to replace it.
Education & Training
Areas of Expertise
Licensing & Certification
Source: NPPES NPI Registry
Contact Information
- (949) 340-9530
- Email not available
Practice Locations
17360 BROOKHURST ST
Fountain Valley, CA 92708
Procedures Most Often Billed to Medicare
944 services · 627 patients · 6 distinct codes
| Procedure | Type | Code | Services |
|---|---|---|---|
| Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | Office visit | 99232 |
484 |
| Hospital discharge day management, more than 30 minutes | Office visit | 99239 |
204 |
| Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes | Office visit | 99223 |
141 |
| Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes | Office visit | 99222 |
84 |
| Subsequent hospital care with straightforward or low level of medical decision making, per day, if using time, at least 25 minutes | Office visit | 99231 |
20 |
| Hospital discharge day management, 30 minutes or less | Office visit | 99238 |
11 |
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 internal medicines at this location 8
Same specialty, same street address — most likely the same department or group.
Related specialists at this location 5
Clinically related specialties at the same address — the people this provider most likely works alongside.
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.
More connections — 21 related providers in 3 groups
Other internal medicines in Fountain Valley 5
Same specialty, same city.
Trained at West Virginia University School of Medicine 8
Other providers in the same specialty who trained at the same institution.
Class of 1994 at West Virginia University School of Medicine 8
Providers who graduated from the same medical school in the same year.
Common questions
What kind of doctor is Dr. Neilan?
Dr. Neilan is an internal medicine in Fountain Valley, CA. This is the primary taxonomy recorded against the NPI in the federal registry, listed there as “INTERNAL MEDICINE”.
NPI registry
What is Dr. Neilan's address?
Dr. Neilan is listed at 17360 BROOKHURST ST, Fountain Valley, CA 92708. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How can I make an appointment with Dr. Neilan?
The number on file is (949) 340-9530. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
What is Dr. Neilan's NPI number?
Dr. Neilan's National Provider Identifier is 1689763724. 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 Dr. Neilan train?
Dr. Neilan attended West Virginia University School of Medicine, graduating in 1994. This comes from the CMS National Downloadable File.
CMS public data
How long has Dr. Neilan been practicing?
Dr. Neilan has 32 years experience. Calculated from a graduation year of 1994, reported in the CMS National Downloadable File.
CMS public data
What procedures does Dr. Neilan perform?
According to Medicare billing data, Dr. Neilan the Medicare record under this individual NPI shows mainly office visits and diagnostic testing. Hospital-based physicians usually have their procedural work billed by the facility rather than under their own number, so this is a floor on their practice, not a description of it. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Has Dr. Neilan confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Neilan. If this is you, claiming it is free.
Guide.md
Is this your profile?
Verify your identity to control how patients — and AI assistants — describe you.
Claim this profileProvider data sourced from the NPPES NPI Registry and CMS public datasets. Information is provided for reference and is not medical advice.