1. Home
  2. Directory
  3. New Hampshire
  4. Lebanon
  5. Internal Medicine
  6. NPI Profile

DR. JONATHAN DAVID STOCK M.D.
NPI 1255787958
Internal Medicine - Cardiovascular Disease in Lebanon, NH

Active since May 11, 2016PECOS EnrolledAccepts Medicare Assignment
1 MEDICAL DR, LEBANON, NH 03756(603) 650-5000(603) 640-1228 Get Directions Write a Review

NPPES record last updated: December 16, 2025. Verified against the NPPES registry weekly; last sync: November 01, 2026.

Record update history: Dec 16, 2025, Aug 12, 2025, Dec 23, 2022 and 1 more (4 updates tracked since 2016).

About Dr. Jonathan David Stock M.d. NPPES

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

DR. JONATHAN DAVID STOCK M.D. (NPI 1255787958) is an individual cardiovascular disease provider in Lebanon, New Hampshire, licensed in New Hampshire (23474) and active in the NPI registry since May 2016. He is enrolled in Medicare PECOS, is affiliated with Mary Hitchcock Memorial Hospital, and maintains 2 additional practice locations.

NPPES Registry Identity

NPI1255787958
Entity TypeIndividualMale
Primary Taxonomy207RC0000X
Provider Legal NameDR. JONATHAN DAVID STOCKCredential: M.D.
Location Address1 MEDICAL DRLebanon, NH 03756-1000
Mailing AddressPo Box 810Hanover, NH 03755-0810 · (603) 308-1472
Phone(603) 650-5000
Fax(603) 640-1228
Sole ProprietorNo
Medical School CMSUniversity Of Connecticut School Of MedicineGraduated 2016
Enumeration DateMay 11, 2016
Last NPPES UpdateDecember 16, 20254 updates tracked since enumeration
NPPES CertifiedDecember 16, 2025
✔ NPI 1255787958 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyInternal Medicine · Cardiovascular DiseaseAllopathic & Osteopathic Physicians
Taxonomy Code207RC0000X
License✔ Licensed in NH · 23474
Definition
An internist who specializes in diseases of the heart and blood vessels and manages complex cardiac conditions such as heart attacks and life-threatening, abnormal heartbeat rhythms.
Also ListedStudent in an Organized Health Care Education/Training ProgramTaxonomy 390200000X
1 MEDICAL DR, Lebanon, NH 03756
Open in Google Maps ↗

Secondary Practice Locations 2

Location 1163 Veterans DrWhite River Junction, VT 05009-0001 · Phone (802) 295-9363
Location 2789 Howard Ave, Yale-New Haven HospitalNew Haven, CT 06519-1304 · Phone (203) 688-5555

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Anthem Blue Cross and Blue Shield, Harvard Pilgrim Health Care, 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

Dr. Jonathan David Stock 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 ID3678867256
PECOS Enrollment IDI20250825002777
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

2

Medicare enrollment records show Jonathan Stock reassigns Medicare billing to 2 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

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

Hospital Affiliations CMS Care Compare 3

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

Valley Regional Hospital

Critical Access Hospitals · Claremont, NH
OwnershipVoluntary non-profit - Private
CMS Certification Number301308
Location243 Elm StreetClaremont, NH 03743 · Sullivan County
Emergency services

Brattleboro Memorial Hospital

Acute Care Hospitals · Brattleboro, VT
4/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number470011
Location17 Belmont AveBrattleboro, VT 05301 · Windham County
Emergency services Birthing friendly

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
$71.85 typical visit price
range $18.70 – $142.15
Typical copayment $17.96 (range $4.67 – $35.53)
Most-billed visit code 99213
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.

EMILY L SWANN APRN
Nurse Practitioner
1 MEDICAL DR
LEBANON, NH 03756
Grafton County (603) 650-6224
DR. JESSICA MARGARET SIN M.D., PH.D.
Radiology (Diagnostic Radiology)
1 MEDICAL DR
LEBANON, NH 03756
Grafton County (603) 650-7650
MR. JUSTIN BERNARD MONTGOMERY FNP-C
Nurse Practitioner (Family)
1 MEDICAL DR, ATTN CENTERS FOR HEALTHY AGING
LEBANON, NH 03756
Grafton County (603) 650-5000
MICHELLE GAFFNEY LAIN MD, MS
Student in an Organized Health Care Education/Training Program
1 MEDICAL DR
LEBANON, NH 03756
Grafton County (603) 650-5000
ILYA NIKOLAEVICH BOYKOV MD
Student in an Organized Health Care Education/Training Program
1 MEDICAL DR
LEBANON, NH 03756
Grafton County (603) 650-5000
XAVIER FOWLER
Student in an Organized Health Care Education/Training Program
1 MEDICAL DR
LEBANON, NH 03756
Grafton County (845) 893-2210
NATALIE NICHOLE ROBERTSON MD
Student in an Organized Health Care Education/Training Program
1 MEDICAL DR
LEBANON, NH 03756
Grafton County (603) 650-5000
HANNAH KING BRILLING LD, RD
Dietitian, Registered
1 MEDICAL DR
LEBANON, NH 03756
Grafton County (603) 650-5907

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 Jonathan Stock's NPI number?

The NPI number for Jonathan Stock is 1255787958. It was assigned to this individual provider in the NPPES registry on May 11, 2016.

Where is Jonathan Stock located?

Jonathan Stock practices at 1 Medical Dr, Lebanon, NH 03756. The listed phone number is (603) 650-5000.

What is Jonathan Stock's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Cardiovascular Disease, with taxonomy code 207RC0000X.

Is Jonathan Stock enrolled in Medicare?

Yes. Jonathan Stock 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 Jonathan Stock's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Jonathan Stock reassigns Medicare benefits to 2 organizations: Mary Hitchcock Memorial Hospital (Lebanon, NH) and Dartmouth-Hitchcock Clinic (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 Jonathan Stock's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Jonathan Stock accept?

Health plans from Anthem Blue Cross and Blue Shield, Harvard Pilgrim Health Care and Taro Health list Jonathan Stock 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 Jonathan Stock affiliated with any hospitals?

According to CMS data, Jonathan Stock is affiliated with Mary Hitchcock Memorial Hospital, Valley Regional Hospital and Brattleboro Memorial Hospital.

When was this NPI record last updated?

The NPPES record for Jonathan Stock was last updated on December 16, 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.