NPPES file of Aug 9, 2026

Lars Erling Nielson, MD

Obstetrics & Gynecology Physician · Lancaster, NH

Lars Erling Nielson, MD is an obstetrics & gynecology physician with a practice address in Lancaster, New Hampshire, and NPI 1740267848, issued on Dec 29, 2005. Check the license (New Hampshire 8303, as entered in NPPES) on the New Hampshire Board of Medicine; the federal record below is the public data PlainDoctor holds for this provider.

Record from CMS NPPES, file of Aug 9, 2026 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1740267848
Name
Lars Erling Nielson
Credential
MD
Primary taxonomy
Obstetrics & Gynecology Physician 207V00000X
License number
8303 NH
Self-reported in NPPES; status is on the state search
Practice location
170 Middle St, Lancaster, NH 03584
Phone
(603) 788-2521
Enumerated
Dec 29, 2005
Record last updated
Apr 17, 2019 (not updated in 7 years: call before relying on the address or phone)
Fax
(603) 788-5027
Medicaid IDs
30203801 NH
0001017 VT
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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8 nearest obstetrics & gynecology physician records → All 240 in New Hampshire → Look up another NPI →

Also registered at 170 Middle St

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Brian Beattie, MDFamily Medicine Physician1023094893
  2. Gina Bedell, APRNNurse Practitioner1700164068
  3. Maryjane Corgnati, PMHNPPsychiatric/Mental Health Nurse Practitioner1265957013
  4. Jessica Coy, RD, CDERegistered Dietitian1346228533
  5. Penny Durgin, ARNPNurse Practitioner1710964549
  6. Jennifer Hagan, LCMHC AND MLADCMental Health Counselor1669744959

Verify Lars Erling Nielson in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersNew Hampshire Board of Medicine
    Search for license 8303    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the New Hampshire license search

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Lars Erling Nielson among 240 obstetrics & gynecology physician records in New Hampshire

Lars Erling Nielson, MD is one of 240 obstetrics & gynecology physician records with a practice address in New Hampshire. 74% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does not. Its NPI, issued in 2005, is newer than 0% of them.

  • NPI issued2005 · 0% of these records are older, 83% newer
  • In a Medicare fileNo · 74% of these records are
  • In the CMS Doctors and Clinicians fileNo · 65% of these records are
  • Record last updated2019 · 54% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207V00000X and a New Hampshire practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Obstetrics & Gynecology Physician providers in New Hampshire

There are 240 obstetrics & gynecology physician records in New Hampshire. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

All 240 in New Hampshire → Every provider in Lancaster → Obstetrics & Gynecology Physician nationwide →

The 8 obstetrics & gynecology physician records with the nearest ZIP codes

  1. Marianne Jackson, DOBerlin, NH 035701184626012
  2. Stephen Kull, MDBerlin, NH 035701437200565
  3. Bruce LastraBerlin, NH 035701265403794
  4. Krzysztof Plociennik, MDBerlin, NH 035701194817759
  5. Scott Brody, M.D.Littleton, NH 035611164423760
  6. Nicholas Marks, M.D.Littleton, NH 035611669448650
  7. John Sauter, M.D.Littleton, NH 035611295732444
  8. Morgan Jenkins, MDPeterborough, NH 034581568873354

Common questions

What is Lars Erling Nielson, MD's NPI number?

Lars Erling Nielson, MD's National Provider Identifier (NPI) is 1740267848, issued on Dec 29, 2005. An NPI identifies a provider in billing; it is not a license.

Where is Lars Erling Nielson, MD located?

The NPPES record lists a practice address at 170 Middle St, Lancaster, NH, 03584. Phone: (603) 788-2521. Providers update this record themselves, so call before visiting.

How can I verify Lars Erling Nielson, MD's license?

NPPES lists New Hampshire license number 8303, as entered by the provider. Search the New Hampshire Board of Medicine at https://www.oplc.nh.gov/board-medicine. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. An NPI identifies who bills; it is not a license.

Written with AI tools from the named public files; every figure is computed from those files (how it is made).

Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.