Ann Lo, MD
Obstetrics & Gynecology Physician · Nashua, NH
Ann Lo, MD is an obstetrics & gynecology physician with a practice address in Nashua, New Hampshire, and NPI 1497958482, issued on Jun 7, 2007. Check the license (New Hampshire 16764, as entered in NPPES) on the New Hampshire Board of Medicine; the Medicare figures below come from public CMS files.
- Name
- Ann Lo
- Credential
- MD
- Primary taxonomy
- Obstetrics & Gynecology Physician 207V00000X
- License number
- 16764 NH
Self-reported in NPPES; status is on the state search - Practice location
- 10 Prospect St, Nashua, NH 03060
- Phone
- (603) 577-3131
- Enumerated
- Jun 7, 2007
- Record last updated
- Dec 17, 2015 (not updated in 11 years: call before relying on the address or phone)
- Fax
- (603) 577-3132
- Medicare enrollment
- Enrolled (PECOS I20141017000919); accepts Medicare assignment
- Medical or professional school
- University Of Southern California Keck School Of Medicine, 2005
- Entity
- Type 1 · individual
8 nearest obstetrics & gynecology physician records → All 240 in New Hampshire → Look up another NPI →
Also registered at 10 Prospect St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Cherif Abdelmalek, M.D.Medical Oncology Physician1922396753
- Sara Amory, APRNWomen's Health Nurse Practitioner1841549615
- Asma Daoudi, MD, MSObstetrics & Gynecology Physician1811566433
- Dorothy Doran, ARNPFamily Nurse Practitioner1083701346
- Gary Dunetz, M.D.Urology Physician1265528640
- Kelley Godwin, MS, CGCGenetic Counselor (M.S.)1255167284
Verify Ann Lo in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersNew Hampshire Board of Medicine
Search for license 16764Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
42% fewer Medicare Part D claims than the average obstetrics & gynecology physician in 2024
96 Medicare Part D claims for 42 beneficiaries, against an average of 165 among the 28,733 providers of this specialty who prescribed in Part D. Brand-name drugs were 25% of claims.
Most prescribed
- Estradiol14 claims
- Estradiol (Twice Weekly)13 claims
- Misoprostol12 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: $19.11
1 payment: food and beverage; the largest payer was Astellas Pharma US Inc. The 21,429 providers of this specialty with any payment received $1,030.61 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
- Foundation Medical Partners IncMilford, NH
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Ann Lo among 240 obstetrics & gynecology physician records in New Hampshire
Ann Lo, 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. Its NPI, issued in 2007, is newer than 55% of them.
- NPI issued2007 · 55% of these records are older, 40% newer
- In a Medicare fileYes · 74% of these records are
- In the CMS Doctors and Clinicians fileYes · 65% of these records are
- Graduated2005 · median 2006 among the 157 with a school on file
- Record last updated2015 · 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.
All 240 in New Hampshire → Every provider in Nashua → Obstetrics & Gynecology Physician nationwide →
The 8 obstetrics & gynecology physician records with the nearest ZIP codes
- Monelle Bisson, MDNashua, NH 030601275527913
- Mark Conway, M.D.Nashua, NH 030601538145040
- David Deifik, MDNashua, NH 030601205853199
- Heather Feltmate, MDNashua, NH 030601972513810
- Rebecca Green, M.D.Nashua, NH 030601639139942
- Jeffrey Hubley, M.D.Nashua, NH 030601649297623
- Alyse Kanter, MDNashua, NH 030601518951250
- Janine Keever, M.D.Nashua, NH 030601952370488
Common questions
What is Ann Lo, MD's NPI number?
Ann Lo, MD's National Provider Identifier (NPI) is 1497958482, issued on Jun 7, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Ann Lo, MD located?
The NPPES record lists a practice address at 10 Prospect St, Nashua, NH, 03060. Phone: (603) 577-3131. Providers update this record themselves, so call before visiting.
How can I verify Ann Lo, MD's license?
NPPES lists New Hampshire license number 16764, 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 Ann Lo, MD prescribe under Medicare Part D?
In 2024, Ann Lo, MD had 96 Medicare Part D claims for 42 beneficiaries; the average among obstetrics & gynecology physician prescribers was 165. 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.