Physician Profile
Unclaimed ProfileAbout LONSTEIN
Based in Sarasota, FL, Mark B Lonstein, M.D. is listed in the NPI registry under orthopedic surgery. Mark graduated from Baylor College of Medicine in 1981. Mark is also listed as specialising in orthopaedic surgery of the spine.
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 does Dr. Lonstein specialise in?
Dr. Lonstein is an orthopedic surgeon in Sarasota, FL. This is the primary taxonomy recorded against the NPI in the federal registry, listed there as “ORTHOPEDIC SURGERY”.
NPI registry
Where is Dr. Lonstein located?
Dr. Lonstein is listed at 2032 HILLVIEW ST, Sarasota, FL 34239. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
What is Dr. Lonstein's phone number?
The number on file is (941) 917-6500. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
What is the NPI for Dr. Lonstein?
Dr. Lonstein's National Provider Identifier is 1891796173. 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. Lonstein go to medical school?
Dr. Lonstein attended Baylor College of Medicine, graduating in 1981. This comes from the CMS National Downloadable File.
CMS public data
How much experience does Dr. Lonstein have?
Dr. Lonstein has 45 years experience. Calculated from a graduation year of 1981, reported in the CMS National Downloadable File.
CMS public data
What does Dr. Lonstein do most often?
According to Medicare billing data, Dr. Lonstein performs imaging including x-ray of lower and sacral spine, 2-3 views and x-ray of lower and sacral spine, minimum of 4 views; provides treatments such as injection of drug or substance under skin or into muscle, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Is Dr. Lonstein's profile verified?
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Lonstein. If this is you, claiming it is free.
Guide.md
Licensing & Certification
Source: NPPES NPI Registry
Contact Information
- (941) 917-6500
- Email not available
Practice Locations
2032 HILLVIEW ST
Sarasota, FL 34239
Procedures Most Often Billed to Medicare
4,636 services · 258 patients · 8 distinct codes
| Procedure | Type | Code | Services |
|---|---|---|---|
| X-ray of lower and sacral spine, 2-3 views | Imaging | 72100 |
26 |
| X-ray of lower and sacral spine, minimum of 4 views | Imaging | 72110 |
23 |
| Mri scan of lower spinal canal without contrast | Imaging | 72148 |
16 |
| Injection of drug or substance under skin or into muscle | Treatment | 96372 |
73 |
| Injection, denosumab, 1 mg | Drug given | J0897 |
4,380 |
| Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more | Office visit | 99213 |
66 |
| New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more | Office visit | 99203 |
33 |
| Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more | Office visit | 99214 |
19 |
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 4
Providers at the same street address. Each files their own registry entry, so a shared practice often appears under several different names.
Other orthopedic surgeons in Sarasota 8
Same specialty, same city.
Trained at Baylor College of Medicine 8
Other providers in the same specialty who trained at the same institution.
More connections — 16 related providers in 2 groups
Class of 1981 at Baylor College of Medicine 8
Providers who graduated from the same medical school in the same year.
Also performs X-ray of lower and sacral spine, 2-3 views 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.