Robert Greg Dorf, D.O.
Family Medicine Physician · Londonderry, NH
Robert Greg Dorf, D.O. is a family medicine physician with a practice address in Londonderry, New Hampshire, and NPI 1447320080, issued on Nov 9, 2006. Check the license (New Hampshire 12485, as entered in NPPES) on the New Hampshire Board of Medicine; the Medicare figures below come from public CMS files.
- Name
- Robert Greg Dorf
- Credential
- D.O.
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- 12485 NH
Self-reported in NPPES; status is on the state search - Practice location
- 50 Michels Way Ste 102, Londonderry, NH 03053
- Phone
- (603) 537-1300
- Enumerated
- Nov 9, 2006
- Record last updated
- Sep 12, 2023
- Medicare enrollment
- Enrolled (PECOS I20041109000948); accepts Medicare assignment
- Medical or professional school
- University Of New England, College Of Osteo Medicine, 1998
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
Also registered at 50 Michels Way Ste 102
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Joyce Aliseo, APRNFamily Nurse Practitioner1043523905
- Heema Bhagat, PAPhysician Assistant1275152282
- Raina Bouchard, APRNFamily Nurse Practitioner1659048403
- Sarah Breau, PA-CPhysician Assistant1679816847
- Christine Hand, MDFamily Medicine Physician1558331215
- Allison Moore, PA-C, RD, CDEMedical Physician Assistant1033453428
Verify Robert Greg Dorf in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersNew Hampshire Board of Medicine
Search for license 12485Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
29% fewer Medicare Part D claims than the average family medicine physician in 2024
2,531 Medicare Part D claims for 306 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. Brand-name drugs were 10% of claims. 107 claims were for opioids.
Most prescribed
- Atorvastatin Calcium171 claims
- Amlodipine Besylate102 claims
- Levothyroxine Sodium95 claims
- Losartan Potassium93 claims
- Gabapentin84 claims
- Metoprolol Succinate78 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Industry payments in 2024: $212.80
6 payments; by number, the most common kind was food and beverage; the largest payer was Inspire Medical Systems, Inc. The 55,478 providers of this specialty with any payment received $902.55 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through one group practice
- Derry Medical Center, PADerry, NH
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
14 family medicine physician records list a practice address in Londonderry
They are 14 of the 425 NPPES records with a practice address in Londonderry, and 816 family medicine physician records in New Hampshire.
All 14 in Londonderry → All 816 in New Hampshire → Every provider in Londonderry →
Other family medicine physician records in New Hampshire
- Ruba Abdullah, MDConcord, NH1336871524
- Iryna Aberkorn, MDLebanon, NH1780846071
- Bruce Abramowitz, DOWindham, NH1801276167
- Francis Adams, MDLebanon, NH1578581898
- Glenn Adams, DOGroveton, NH1952387714
- Karin Adelman, M.D.Nashua, NH1982674354
- Sangita Agarwal, MDDover, NH1912953316
- Andres Aguilera-Fish, MDLittleton, NH1578183992
- Noor Al Humaidhi, MDExeter, NH1821502329
- Keenan Al-Hojerry, MDPortsmouth, NH1063468981
Common questions
What is Robert Greg Dorf, D.O.'s NPI number?
Robert Greg Dorf, D.O.'s National Provider Identifier (NPI) is 1447320080, issued on Nov 9, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Robert Greg Dorf, D.O. located?
The NPPES record lists a practice address at 50 Michels Way Ste 102, Londonderry, NH, 03053. Phone: (603) 537-1300. Providers update this record themselves, so call before visiting.
How can I verify Robert Greg Dorf, D.O.'s license?
NPPES lists New Hampshire license number 12485, 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.
How much does Robert Greg Dorf, D.O. prescribe under Medicare Part D?
In 2024, Robert Greg Dorf, D.O. had 2,531 Medicare Part D claims for 306 beneficiaries; the average among family medicine physician prescribers was 3,544. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
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.