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TIMOTHY O'DOWD
NPI 1598260465
Internal Medicine in Lebanon, NH

Active since March 24, 2018PECOS EnrolledAccepts Medicare Assignment
1 MEDICAL CENTER DR, DEPARTMENT OF FAMILY MEDICINE, LEBANON, NH 03756(603) 650-5000(603) 640-1228 Get Directions Write a Review

NPPES record last updated: December 15, 2025. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Dec 15, 2025, Sep 27, 2021, Jun 1, 2021 and 4 more (7 updates tracked since 2018).

About Timothy O'dowd NPPES

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

TIMOTHY O'DOWD (NPI 1598260465) is an individual internal medicine provider in Lebanon, New Hampshire, licensed in New Hampshire (22529) and active in the NPI registry since March 2018. He is enrolled in Medicare PECOS, is affiliated with Mary Hitchcock Memorial Hospital, and maintains 2 additional practice locations.

NPPES Registry Identity

NPI1598260465
Entity TypeIndividualMale
Primary Taxonomy207R00000X
Provider Legal NameTIMOTHY O'DOWD
Location Address1 MEDICAL CENTER DR, DEPARTMENT OF FAMILY MEDICINELebanon, NH 03756-1000
Mailing Address1 Medical Center DrLebanon, NH 03756-1000 · (603) 650-5000
Phone(603) 650-5000
Fax(603) 640-1228
Sole ProprietorNo
Medical School CMSGeisel School Of Medicine At DartmouthGraduated 2018
Enumeration DateMarch 24, 2018
Last NPPES UpdateDecember 15, 20257 updates tracked since enumeration
NPPES CertifiedDecember 15, 2025
✔ NPI 1598260465 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
Licenses✔ Licensed in NH · 22529✔ Licensed in MA · 286328✔ Licensed in MN · 29305✔ Licensed in MN · 65898
Definition
A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.
1 MEDICAL CENTER DR, Lebanon, NH 03756
Open in Google Maps ↗

Secondary Practice Locations 2

Location 1200 1st St SWRochester, MN 55905 · Phone (507) 284-2511
Location 210 Alice Peck Day Dr, Department of Family MedicineLebanon, NH 03766-2900 · Phone (603) 448-3121 · Fax (603) 640-1228

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Ambetter from NH Healthy Families, Taro Health.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Timothy O'dowd 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 ID3870840846
PECOS Enrollment IDI20220712000639
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.

Medicare Billing Reassignments

3

Medicare enrollment records show Timothy O'dowd reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Mary Hitchcock Memorial Hospital
Same address
General Acute Care Hospital
1 MEDICAL CENTER DR
Lebanon, NH 03756
  • Reassigned Medicare billing, New Hampshire enrollment
  • 2,620 clinicians in this Medicare group
NPI 1629788237 (603) 650-5000
Dartmouth-Hitchcock Clinic
29 mi
Internal Medicine
ONE MEDICAL CENTER DR
Lebanon, NH 03756
  • Reassigned Medicare billing, New Hampshire enrollment
  • 2,999 clinicians in this Medicare group
NPI 1548210198 (603) 650-5000
Alice Peck Day Memorial Hospital
30 mi
Urgent Care
5 ALICE PECK DAY DR
Lebanon, NH 03766
  • Reassigned Medicare billing, New Hampshire enrollment
  • 283 clinicians in this Medicare group
NPI 1942002274 (603) 448-3121

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Areas of Expertise CMS Part B claims 5

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

Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 99233
Follow-up hospital inpatient care per day typically involves a 35-minute check-up by your healthcare provider. This service includes monitoring your health progress, adjusting your treatment plan if needed, and answering any questions you may have about your condition or care.
277 services101 patients
Subsequent hospital care with straightforward or low level of medical decision making, per day, if using time, at least 25 minutes 99231
Follow-up hospital inpatient care is a daily service where a healthcare professional checks on your health progress during your hospital stay. Each session typically lasts 15 minutes, involving updates on your condition and adjustments to your treatment plan, if necessary.
78 services27 patients
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 99232
Follow-up hospital inpatient care involves daily check-ups while you're admitted in the hospital. Typically, a healthcare provider spends about 25 minutes each day reviewing your condition, adjusting treatment if needed, and answering any questions you might have.
54 services22 patients
Hospital discharge day management, more than 30 minutes 99239
Hospital discharge day management over 30 minutes involves a detailed process to ensure a smooth transition from hospital to home. It includes final examinations, discussion of your hospital stay, post-discharge instructions, and coordinating follow-up care.
49 services49 patients
Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 99223
Initial hospital inpatient care per day, typically 70 minutes, refers to the daily medical service provided to patients admitted to the hospital. This includes a comprehensive evaluation, diagnosis, treatment plan, and monitoring of your health condition. It ensures your well-being during your hospital stay.
47 services47 patients

Hospital Affiliations CMS Care Compare 2

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

Mary Hitchcock Memorial Hospital

Acute Care Hospitals · Lebanon, NH
4/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number300003
Location1 Medical Center DriveLebanon, NH 03756 · Grafton County
Emergency services Birthing friendly

Alice Peck Day Memorial Hospital

Critical Access Hospitals · Lebanon, NH
OwnershipVoluntary non-profit - Private
CMS Certification Number301305
Location10 Alice Peck Day DriveLebanon, NH 03766 · Grafton County
Emergency services

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 03756 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
$132.09 typical visit price
range $57.75 – $174.26
Typical copayment $33.02 (range $14.43 – $43.56)
Most-billed visit code 99204
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 20

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

MRS. JANICE M BRENNAN APRN
Nurse Practitioner (Family)
1 MEDICAL CENTER DR, DHMC DEPARTMENT OF OCCUPATION MEDICINE
LEBANON, NH 03756
Grafton County (603) 560-5000
MS. SHELLEY GRACE BENSON R.PH.
Pharmacist (Oncology)
1 MEDICAL CENTER DR
LEBANON, NH 03756
Grafton County (603) 650-5417
ELIAS LOUKAS M.D.
Internal Medicine
1 MEDICAL CENTER DR, DHMC SECTION OF HOSPITAL MEDICINE
LEBANON, NH 03756
Grafton County (603) 650-8380
SARAH S SEO MD
Otolaryngology
1 MEDICAL CENTER DR, OTOLARYNGOLOGY
LEBANON, NH 03756
Grafton County (603) 650-8123
DR. SRINIVAS J. IVATURY MD
Colon & Rectal Surgery
1 MEDICAL CENTER DR, COLON & RECTAL SURGERY DEPARTMENT
LEBANON, NH 03756
Grafton County (603) 650-8113
TIMOTHY EARLEY D.O.
Student in an Organized Health Care Education/Training Program
1 MEDICAL CENTER DR
LEBANON, NH 03756
Grafton County (201) 694-0663
HANNAH ELIZABETH FOOTE BENSIMHON M.D.
Internal Medicine (Cardiovascular Disease)
1 MEDICAL CENTER DR
LEBANON, NH 03756
Grafton County (603) 650-5000
EMILE JOSEPH HASAN M.D.
Student in an Organized Health Care Education/Training Program
1 MEDICAL CENTER DR
LEBANON, NH 03756
Grafton County (603) 650-5000

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Timothy O'dowd's NPI number?

The NPI number for Timothy O'dowd is 1598260465. It was assigned to this individual provider in the NPPES registry on March 24, 2018.

Where is Timothy O'dowd located?

Timothy O'dowd practices at 1 Medical Center Dr Department Of Family Medicine, Lebanon, NH 03756. The listed phone number is (603) 650-5000.

What is Timothy O'dowd's specialty?

The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.

Is Timothy O'dowd enrolled in Medicare?

Yes. Timothy O'dowd is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

Which organizations bill Medicare for Timothy O'dowd's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Timothy O'dowd reassigns Medicare benefits to 3 organizations: Mary Hitchcock Memorial Hospital (Lebanon, NH), Dartmouth-Hitchcock Clinic (Lebanon, NH) and Alice Peck Day Memorial Hospital (Lebanon, NH). Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Timothy O'dowd's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Timothy O'dowd accept?

Health plans from Ambetter from NH Healthy Families and Taro Health list Timothy O'dowd as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

Is Timothy O'dowd affiliated with any hospitals?

According to CMS data, Timothy O'dowd is affiliated with Mary Hitchcock Memorial Hospital and Alice Peck Day Memorial Hospital.

When was this NPI record last updated?

The NPPES record for Timothy O'dowd was last updated on December 15, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 10 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.