Physician Profile
Unclaimed ProfileAbout RYAN
Based in Lake Mary, FL, John F Ryan, M.D. is listed in the NPI registry under internal medicine. John graduated from State University of New York Downstate Medical Center in 1977.
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
Common questions
What kind of doctor is Dr. Ryan?
Dr. Ryan is an internal medicine in Lake Mary, FL. This is the primary taxonomy recorded against the NPI in the federal registry, listed there as “INTERNAL MEDICINE”.
NPI registry
What is Dr. Ryan's address?
Dr. Ryan is listed at 4106 W LAKE MARY BLVD STE 301, Lake Mary, FL 32746. 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. Ryan?
The number on file is (407) 333-2503. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
What is Dr. Ryan's NPI number?
Dr. Ryan's National Provider Identifier is 1144266974. 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. Ryan train?
Dr. Ryan attended State University of New York Downstate Medical Center, graduating in 1977. This comes from the CMS National Downloadable File.
CMS public data
How long has Dr. Ryan been practising?
Dr. Ryan has 49 years experience. Calculated from a graduation year of 1977, reported in the CMS National Downloadable File.
CMS public data
What procedures does Dr. Ryan perform?
According to Medicare billing data, Dr. Ryan performs procedures including insertion of needle into vein for collection of blood sample and removal of impacted ear wax; provides treatments such as influenza vaccine, trivalent derived from recombinant dna and influenza vaccine split virus, preservative free, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Has Dr. Ryan confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Ryan. If this is you, claiming it is free.
Guide.md
Licensing & Certification
Source: NPPES NPI Registry
Contact Information
- (407) 333-2503
- Email not available
Practice Locations
4106 W LAKE MARY BLVD STE 301
Lake Mary, FL 32746
Procedures Most Often Billed to Medicare
3,481 services · 2,395 patients · 19 distinct codes
| Procedure | Type | Code | Services |
|---|---|---|---|
| Insertion of needle into vein for collection of blood sample | Procedure | 36415 |
138 |
| Removal of impacted ear wax | Procedure | 69210 |
52 |
| Influenza vaccine, trivalent derived from recombinant dna | Treatment | 90673 |
89 |
| Influenza vaccine split virus, preservative free | Treatment | 90662 |
73 |
| Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report | Treatment | 93000 |
27 |
| Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more | Office visit | 99215 |
1,452 |
| Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit | Billing code | G0439 |
498 |
| Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more | Office visit | 99214 |
298 |
| Administration of influenza virus vaccine | Billing code | G0008 |
161 |
| Detection test by immunoassay technique for severe acute respiratory syndrome coronavirus | Lab test | 87426 |
105 |
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 5
Same specialty, same street address — most likely the same department or group.
Related specialists at this location 8
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 — 32 related providers in 4 groups
Other internal medicines in Lake Mary 8
Same specialty, same city.
Trained at State University of New York Downstate Medical Center 8
Other providers in the same specialty who trained at the same institution.
Class of 1977 at State University of New York Downstate Medical Center 8
Providers who graduated from the same medical school in the same year.
Also performs Insertion of needle into vein for collection of blood sample 8
Providers in FL who bill this service to Medicare most often.
Provider data sourced from the NPPES NPI Registry and CMS public datasets. Information is provided for reference and is not medical advice.