Physician Profile
Unclaimed ProfileAbout MESSENGER
Mark J Messenger, MD is a healthcare provider in Danvers, MA specialising in internal medicine. Mark trained at Icahn School of Medicine at Mount Sinai, graduating in 1979.
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 is Dr. Messenger's specialty?
Dr. Messenger is an internal medicine in Danvers, MA. This is the primary taxonomy recorded against the NPI in the federal registry, listed there as “INTERNAL MEDICINE”.
NPI registry
Where can I find Dr. Messenger?
Dr. Messenger is listed at 75 SYLVAN ST STE B102, Danvers, MA 01923. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How do I contact Dr. Messenger?
The number on file is (978) 774-7566. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
What is the NPI for Dr. Messenger?
Dr. Messenger's National Provider Identifier is 1194726471. 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. Messenger's medical education?
Dr. Messenger attended Icahn School of Medicine at Mount Sinai, graduating in 1979. This comes from the CMS National Downloadable File.
CMS public data
How much experience does Dr. Messenger have?
Dr. Messenger has 47 years experience. Calculated from a graduation year of 1979, reported in the CMS National Downloadable File.
CMS public data
What is Dr. Messenger known for?
According to Medicare billing data, Dr. Messenger 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
Is Dr. Messenger's profile verified?
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Messenger. If this is you, claiming it is free.
Guide.md
Licensing & Certification
Source: NPPES NPI Registry
Contact Information
- (978) 774-7566
- Email not available
Practice Locations
75 SYLVAN ST STE B102
Danvers, MA 01923
Procedures Most Often Billed to Medicare
629 services · 300 patients · 6 distinct codes
| Procedure | Type | Code | Services |
|---|---|---|---|
| Residence visit for established patient with moderate level of medical decision making, per day, if using time, at least 40 minutes | Office visit | 99349 |
300 |
| Residence visit for established patient with low level of medical decision making, per day, if using time, at least 30 minutes | Office visit | 99348 |
252 |
| Residence visit for new patient with moderate level of medical decision making, per day, if using time, at least 60 minutes | Office visit | 99344 |
30 |
| Residence visit for established patient with high level of medical decision making, per day, if using time, at least 60 minutes | Office visit | 99350 |
17 |
| Residence visit for new patient with high level of medical decision making, per day, if using time, at least 75 minutes | Office visit | 99345 |
17 |
| Transitional care management services for problem of at least moderate complexity | Office visit | 99495 |
13 |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
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Claim this profileRelated providers
Connections drawn from the registry and from what providers have told us. A link here is not a referral or an endorsement.
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.
Other internal medicines in Danvers 8
Same specialty, same city.
More connections — 16 related providers in 2 groups
Trained at Icahn School of Medicine at Mount Sinai 8
Other providers in the same specialty who trained at the same institution.
Class of 1979 at Icahn School of Medicine at Mount Sinai 8
Providers who graduated from the same medical school in the same year.
Provider data sourced from the NPPES NPI Registry and CMS public datasets. Information is provided for reference and is not medical advice.