Dr. Ann Lo, MD
- Medicare services, 2024
- 52
- Medicare patients, 2024
- 60
- Part D claims, 2024
- 96
- Hospital affiliations
- 1
- Industry payments
- $1,307
- Practice address
- 10 Prospect St, Nashua, NH 03060
- Practice phone
- Call (603) 577-2000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
The Surgery Center of Greater Nashua
Nashua, New Hampshire
Find Dr. Lo's professional email, personal email and mobile number
Dmand AI checks each channel through healthcare-specific waterfall enrichment. See what is on file with a free account, with practice phones, licenses and affiliations.
Dr. Ann Lo is an OB-GYN in Nashua, New Hampshire
Dr. Lo practices at The Surgery Center of Greater Nashua in Nashua, New Hampshire.
Dr. Lo's NPI, 1497958482, was assigned on June 7, 2007. Dr. Lo graduated from University of Southern California Keck School of Medicine in 2005. Dr. Lo holds New Hampshire license 16764.
- NPI
- 1497958482NPI Registry (opens in a new tab)
- Medicare PAC ID
- 4082764881
- NPI enumeration date
- June 7, 2007
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (603) 577-2000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 47
- Medical school graduation
- 2005
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Ann Lo practices at The Surgery Center of Greater Nashua in Nashua, New Hampshire
Dr. Lo's primary practice is The Surgery Center of Greater Nashua, at 10 Prospect St, Nashua, NH 03060 in Hillsborough County. The practice phone is (603) 577-2000.
- The Surgery Center of Greater Nashua10 Prospect St, Nashua, NH 03060 · Hillsborough CountyPhone(603) 577-2000
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Ann Lo is affiliated with 3 sites of care and 2 medical groups
Dr. Lo's primary practice is The Surgery Center of Greater Nashua in Nashua, New Hampshire. Dr. Lo is also affiliated with Southern New Hampshire Medical Center. The medical group on file is Dartmouth Hitchcock Clinics Manchester. Dmand AI also links Dr. Lo to 1 more group practice or clinic and 1 medical group, each named with a free account.
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Dr. Ann Lo's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Lo practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| The Surgery Center of Greater Nashua | Available with a free account |
| +2 more sites and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Ann Lo is one of 182 OB-GYNs in New Hampshire
Obstetrics and gynecology is Dr. Lo's primary specialty in the NPI Registry, under taxonomy code 207V00000X. Dr. Lo is licensed in New Hampshire.
Specialties and state licenses
- Obstetrics and gynecology, New HampshirePrimary
OB-GYNs near Dr. Lo
Counts of OB-GYNs with a Dmand AI profile, by place and practice. Each opens the list.
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Dr. Ann Lo billed Medicare for 52 services in 2024
CMS data shows 52 Medicare services from Dr. Lo across 3 procedure codes in 2024, for 60 Medicare patients. Medicare paid $3,083 for them. Every service was in an office.
Dr. Lo's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 322024: 2231%
- Other services
- 2023: 192024: 1616%
- Imaging
- 2023: 182024: 1422%
Dr. Lo compared with the New Hampshire median for OB-GYNs, 2024
- Dr. Lo
- New Hampshire median
- Medicare services
- 52vs 7430% below
- Medicare patients
- 60vs 7621% below
- Part D claims
- 39vs 41Close to median
Medians across 180 OB-GYNs in New Hampshire with Dmand AI profiles that report each measure.
Dr. Lo's most billed Medicare procedure codes, 2024
CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.
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Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Lo and other OB-GYNs in New Hampshire.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Ann Lo treated 60 Medicare patients in 2024, average age 66
CMS counts 60 Medicare patients who saw Dr. Lo in 2024. The largest group is 65 to 74, with 24 patients. 73% of them have high cholesterol, and 47% have high blood pressure. 18% are also on Medicaid. Their average risk score is 0.94, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Lo's median patient age at 37, with 100% women.
Dr. Lo's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Chronic conditions among Dr. Lo's Medicare patients, 2024
- High cholesterol73%
- High blood pressure47%
- Anxiety35%
- Arthritis35%
- Mood disorders32%
- Depression27%
- Diabetes20%
- Chronic kidney disease18%
Share of Medicare patients with each condition. A patient can have several.
Dr. Lo's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 37
Patient panel by sex, all payers
- Women100%
- Men0%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Ann Lo wrote 96 Medicare Part D claims in 2024
In 2024, Dr. Lo wrote 96 Medicare Part D claims for 42 patients. 75% of them were for generic drugs. CMS names the drug for 39 of them, across 3 drugs with 11 or more claims each, at $1,388 in total drug cost. In 2023, CMS named 53 claims across 3 drugs.
Dr. Lo's Part D claims by kind of drug, 2024
- Generic72 claims75%
- Brand-name24 claims25%
Dr. Lo's most prescribed drugs by claims, 2024
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
Part D claims for drugs CMS names, 2023 to 2024
- 2023
- 2024
- Claims for drugs CMS names
- 2023: 532024: 3926%
Drugs named by CMS: 3 in 2024, 3 in 2023.
Sources: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026; and Medicare Part D Prescribers - by Provider (CMS), 2024 data
How Dr. Ann Lo takes part in Medicare
Dr. Lo accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Removal of the uterus: 1 to 10 procedures (CMS shows small counts as a range)
Sources: Doctors and Clinicians National Downloadable File (CMS); and Doctors and Clinicians Utilization Data (CMS)
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Dr. Ann Lo received $1,307 in industry payments from 2016 to 2025
CMS Open Payments shows 74 general payments to Dr. Lo from 12 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 100% of the total. Abbvie Inc. paid the most, $467.
General payments to Dr. Lo by program year, 2016 to 2025
Companies that paid Dr. Lo the most, 2016 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Ann Lo graduated from University of Southern California Keck School of Medicine
Dr. Lo graduated from University of Southern California Keck School of Medicine in 2005.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Ann Lo's profile data
| Data on this page | Source |
|---|---|
| NPI, name, sex, specialty and licenses | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data |
| Practice locations and phone | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data |
| Primary practice, affiliations and health system | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand AI Affiliation Data |
| Medicare services and procedure codes | Medicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab) |
| State medians for the same specialty | Dmand AI Peer Benchmarks |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab) |
| Part D prescribing | Medicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab)Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab) |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Doctors and Clinicians Utilization Data (CMS) (opens in a new tab) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| EHR at each practice site | Dmand AI Technology Install Data |
| Similar physicians | Dmand AI Affiliation Data |
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about Dr. Ann Lo
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Dr. Ann Lo's NPI number?
Dr. Ann Lo's NPI number is 1497958482. It was assigned on June 7, 2007, and it is active in the NPI Registry.
What kind of doctor is Dr. Ann Lo?
Dr. Ann Lo is an OB-GYN in Nashua, New Hampshire. The primary specialty in the NPI Registry is Obstetrics & Gynecology Physician (taxonomy code 207V00000X).
Where does Dr. Ann Lo practice?
Dr. Lo practices at 10 Prospect St, Nashua, NH 03060. Dr. Lo's primary practice is The Surgery Center of Greater Nashua in Nashua, New Hampshire. Dmand AI also links Dr. Lo to 1 group practice or clinic and 1 medical group.
What is Dr. Ann Lo's office phone number?
The practice phone on file for Dr. Lo is (603) 577-2000.
What is Dr. Ann Lo's medical license number?
Dr. Lo holds New Hampshire license 16764.
Which hospitals is Dr. Ann Lo affiliated with?
Dr. Lo is affiliated with Southern New Hampshire Medical Center.
What medical group is Dr. Ann Lo part of?
Dr. Lo is linked to Dartmouth Hitchcock Clinics Manchester. Dmand AI links Dr. Lo to 1 more medical group.
Does Dr. Ann Lo accept Medicare?
Yes. CMS data shows Dr. Lo billed Medicare for 52 services in 2024, and Dr. Lo accepts Medicare assignment.
How many Medicare patients does Dr. Ann Lo see?
CMS counts 60 Medicare patients who saw Dr. Lo in 2024, with an average age of 66.
What services does Dr. Ann Lo bill to Medicare?
In 2024, Dr. Lo's most billed Medicare services were office visit, established patient (99213), medicare service (G0101) and ultrasound (76830).
Show 4 more questionsShow fewer questions
Where did Dr. Ann Lo go to medical school?
Dr. Lo graduated from University of Southern California Keck School of Medicine in 2005.
What drugs does Dr. Ann Lo prescribe most?
In 2024 Medicare Part D data, Dr. Lo's most prescribed drugs by claims were Estradiol, Estradiol (Twice Weekly) and Misoprostol.
Has Dr. Ann Lo received payments from drug or device companies?
CMS Open Payments shows $1,307 in general payments to Dr. Lo from 12 companies from 2016 to 2025. The largest total came from Abbvie Inc.
How long has Dr. Ann Lo been practicing?
Dr. Lo graduated from medical school in 2005, 21 years ago.
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