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MARK LEO TIMMERMAN M.D.
NPI 1972525574
Family Medicine in Merrimack, NH

Active since July 24, 2006PECOS EnrolledAccepts Medicare Assignment
454 DANIEL WEBSTER HWY, MERRIMACK, NH 03054(603) 424-8120(603) 424-8140 Get Directions Write a Review

NPPES record last updated: March 7, 2023. Verified against the NPPES registry weekly; last sync: July 19, 2026.

About Mark Leo Timmerman M.d. NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

MARK LEO TIMMERMAN M.D. (NPI 1972525574) is an individual family medicine provider in Merrimack, New Hampshire, licensed in New Hampshire (NH 7663) and active in the NPI registry since July 2006. He is enrolled in Medicare PECOS, is affiliated with St Joseph Hospital, and is a graduate of University Of Iowa, Rj & L Carver College Of Medicine (1984).

NPPES Registry Identity

NPI1972525574
Entity TypeIndividualMale
Primary Taxonomy207Q00000X
Provider Legal NameMARK LEO TIMMERMANCredential: M.D.
Location Address454 DANIEL WEBSTER HWYMerrimack, NH 03054-3699
Mailing Address454 Daniel Webster HwyMerrimack, NH 03054-3695 · (603) 424-8120 · Fax (603) 424-8140
Phone(603) 424-8120
Fax(603) 424-8140
Sole ProprietorYes
Medical School CMSUniversity Of Iowa, Rj & L Carver College Of MedicineGraduated 1984
Enumeration DateJuly 24, 2006
Last NPPES UpdateMarch 7, 2023
✔ NPI 1972525574 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyFamily MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207Q00000X
License✔ Licensed in NH · NH 7663
Definition

Family Medicine is the medical specialty which is concerned with the total health care of the individual and the family. It is the specialty in breadth which integrates the biological, clinical, and behavioral sciences. The scope of family medicine is not limited by age, sex, organ system, or disease entity.

454 DANIEL WEBSTER HWY, Merrimack, NH 03054
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Other Identifiers 6

Other140824540MA · Bc/bs Mass Billing #
Other30D0084963NH · Clia Number
Other0103422YPNH01NH · Bc/bs Individual Number
OtherNH 7663NH · Nh State License
OtherB86207NH · Hphc Billing Number
Other50Y095600NH01NH · Bc/bs Nh Group Number

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Anthem Blue Cross and Blue Sheld, Anthem Blue Cross and Blue Shield.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Mark Leo Timmerman M.d. is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID7719927060
PECOS Enrollment IDI20050506000067
Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Areas of Expertise CMS Part B claims 7

Services this provider delivered to Medicare fee-for-service patients, from the 2024 & 2026 CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Established patient office or other outpatient visit, 30-39 minutes 99214
This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.
91 services50 patients
Automated urinalysis test 81003
An automated urinalysis test is a routine examination that checks your urine for various substances. It can help identify potential health issues such as kidney problems or diabetes. The test uses a machine to analyze a small urine sample, providing quick and accurate results.
55 services52 patients
Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit G0439
An annual wellness visit is a yearly appointment with your primary care provider to create or update a personalized prevention plan. This plan helps prevent illness based on your current health and risk factors. It's a subsequent visit, meaning it follows an initial assessment.
38 services38 patients
Stool analysis for blood to screen for colon tumors 82270
A stool analysis for blood is a non-invasive procedure used to check for the presence of hidden blood in your stool. This can be an early sign of colon tumors. The test involves collecting a small sample of stool at home and sending it to a lab for analysis.
31 services31 patients
Established patient office or other outpatient visit, 20-29 minutes 99213
This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.
22 services17 patients
Influenza vaccine split virus, preservative free 90662
The Influenza Vaccine Split Virus, preservative-free, is a flu shot to protect against the influenza virus. It is made from parts of inactivated flu viruses and doesn't contain preservatives, reducing potential side effects. It helps your body develop immunity to the flu.
17 services17 patients

Hospital Affiliations CMS Care Compare 3

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

St Joseph Hospital

Acute Care Hospitals · Nashua, NH
4/5 CMS rating
OwnershipVoluntary non-profit - Other
CMS Certification Number300011
Location172 Kinsley StNashua, NH 03060 · Hillsborough County
Emergency services Birthing friendly

Elliot Hospital

Acute Care Hospitals · Manchester, NH
3/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number300012
Location1 Elliot WayManchester, NH 03103 · Hillsborough County
Emergency services Birthing friendly

Southern Nh Medical Center

Acute Care Hospitals · Nashua, NH
3/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number300020
Location8 Prospect StreetNashua, NH 03060 · Hillsborough County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 03054 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$89.14 typical visit price
range $57.75 – $174.26
Typical copayment $22.28 (range $14.43 – $43.56)
Most-billed visit code 99203
Established Patient
$101.54 typical visit price
range $18.70 – $142.15
Typical copayment $25.38 (range $4.67 – $35.53)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

CAROL A LANDON ARNP
Nurse Practitioner (Family)
454 DANIEL WEBSTER HWY
MERRIMACK, NH 03054
Hillsborough County (603) 424-8120

Frequently Asked Questions

What is Mark Timmerman's NPI number?

The NPI number assigned to this healthcare provider is 1972525574, enumerated as an "individual" on July 24, 2006.

Where is the provider located?

The provider is located at 454 DANIEL WEBSTER HWY MERRIMACK, NH 03054 and the phone number is (603) 424-8120.

What is the provider's specialty?

Family Medicine with taxonomy code 207Q00000X.

What insurance does Mark Timmerman accept?

The provider might be accepting Accepts: Anthem Blue Cross and Blue Sheld, Anthem Blue. Please consult your insurance carrier or call the provider to verify.

Is Mark Timmerman affiliated with any hospitals?

Mark Timmerman is affiliated with: ST JOSEPH HOSPITAL, ELLIOT HOSPITAL and SOUTHERN NH MEDICAL CENTER.