Margaret Ann Libby, M.D.
Family Medicine Physician · Lockport, NY
Margaret Ann Libby, M.D. is a family medicine physician with a practice address in Lockport, New York, and NPI 1235112822, issued on Nov 28, 2005. Check the license (New York 17373501, as entered in NPPES) on the NYS Education Department, Office of the Professions; the Medicare figures below come from public CMS files.
- Name
- Margaret Ann Libby
- Credential
- M.D.
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- 17373501 NY
Self-reported in NPPES; status is on the state search - Practice location
- 5854A Snyder Dr, Lockport, NY 14094
- Phone
- (716) 438-7235
- Enumerated
- Nov 28, 2005
- Record last updated
- Sep 24, 2025
- Fax
- (716) 795-3013
- Medicaid ID
- ML01086539 NY
- Medicare enrollment
- Enrolled (PECOS I20080410000753); accepts Medicare assignment
- Medical or professional school
- State University Of New York At Buffalo School Of Medicine, 1985
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 6,417 in New York → Look up another NPI →
Verify Margaret Ann Libby in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersNYS Education Department, Office of the Professions
Search for license 17373501Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
38% more Medicare Part D claims than the average family medicine physician in 2024
4,906 Medicare Part D claims for 206 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. Brand-name drugs were 12% of claims. 394 claims were for opioids.
Most prescribed
- Levothyroxine Sodium235 claims
- Atorvastatin Calcium185 claims
- Hydrocodone-Acetaminophen173 claims
- Omeprazole157 claims
- Alprazolam151 claims
- Metoprolol Succinate151 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: $233.78
13 payments; by number, the most common kind was food and beverage; the largest payer was Insulet Corporation. 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.
Margaret Ann Libby among 6,417 family medicine physician records in New York
Margaret Ann Libby, M.D. is one of 6,417 family medicine physician records with a practice address in New York. 81% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2005, is newer than 0% of them.
- NPI issued2005 · 0% of these records are older, 91% newer
- In a Medicare fileYes · 81% of these records are
- In the CMS Doctors and Clinicians fileYes · 65% of these records are
- Graduated1985 · median 2007 among the 4,188 with a school on file
- Record last updated2025 · 58% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207Q00000X and a New York practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
23 family medicine physician records list a practice address in Lockport
They are 23 of the 688 NPPES records with a practice address in Lockport, and 6,417 family medicine physician records in New York.
All 6,417 in New York → Every provider in Lockport → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
- Mirza Beg, MDLockport, NY 140941710911268
- Joseph Corigliano, DOLockport, NY 140941144286485
- Jesenia Cruz, MDLockport, NY 140941669424446
- Patricia Danaher, M.D.Lockport, NY 140941861439879
- Brijendra Gupta, MDLockport, NY 140941831166206
- Fiona Halliday, MDLockport, NY 140941457315707
- Thomas Hughes, MDLockport, NY 140941154381317
- Richard Junke, M.D.Lockport, NY 140941184621153
Common questions
What is Margaret Ann Libby, M.D.'s NPI number?
Margaret Ann Libby, M.D.'s National Provider Identifier (NPI) is 1235112822, issued on Nov 28, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Margaret Ann Libby, M.D. located?
The NPPES record lists a practice address at 5854A Snyder Dr, Lockport, NY, 14094. Phone: (716) 438-7235. Providers update this record themselves, so call before visiting.
How can I verify Margaret Ann Libby, M.D.'s license?
NPPES lists New York license number 17373501, as entered by the provider. Search the NYS Education Department, Office of the Professions at https://www.op.nysed.gov/services/verifications/online-verification-searches. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Margaret Ann Libby, M.D. prescribe under Medicare Part D?
In 2024, Margaret Ann Libby, M.D. had 4,906 Medicare Part D claims for 206 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.