Physician Profile
Unclaimed ProfileAbout TIMMERMAN
Mark Leo Timmerman, M.D. is a healthcare provider in Merrimack, NH specialising in family practice. Mark trained at University of Iowa, Rj & L Carver College of Medicine, graduating in 1984. Mark is also listed as specialising in family medicine.
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. Timmerman?
Dr. Timmerman is a family practice in Merrimack, NH. This is the primary taxonomy recorded against the NPI in the federal registry, listed there as “FAMILY PRACTICE”.
NPI registry
What is Dr. Timmerman's address?
Dr. Timmerman is listed at 454 DANIEL WEBSTER HWY, Merrimack, NH 03054. 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. Timmerman?
The number on file is (603) 424-8120. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
What is Dr. Timmerman's NPI number?
Dr. Timmerman's National Provider Identifier is 1972525574. 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. Timmerman train?
Dr. Timmerman attended University of Iowa, Rj & L Carver College of Medicine, graduating in 1984. This comes from the CMS National Downloadable File.
CMS public data
How long has Dr. Timmerman been practising?
Dr. Timmerman has 42 years experience. Calculated from a graduation year of 1984, reported in the CMS National Downloadable File.
CMS public data
What procedures does Dr. Timmerman perform?
According to Medicare billing data, Dr. Timmerman 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. Timmerman confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Timmerman. If this is you, claiming it is free.
Guide.md
Licensing & Certification
Source: NPPES NPI Registry
Contact Information
- (603) 424-8120
- Email not available
Practice Locations
454 DANIEL WEBSTER HWY
Merrimack, NH 03054
Procedures Most Often Billed to Medicare
239 services · 188 patients · 4 distinct codes
| Procedure | Type | Code | Services |
|---|---|---|---|
| Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more | Office visit | 99214 |
84 |
| Automated urinalysis test | Lab test | 81003 |
66 |
| Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit | Billing code | G0439 |
49 |
| Stool analysis for blood to screen for colon tumors | Lab test | 82270 |
40 |
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 family practices in Merrimack 8
Same specialty, same city.
Trained at University of Iowa, Rj & L Carver College of Medicine 8
Other providers in the same specialty who trained at the same institution.
More connections — 8 related providers in 1 group
Class of 1984 at University of Iowa, Rj & L Carver College of Medicine 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.