Elizabeth Rock, M.D.
Gastroenterology Physician · Limerick, PA
Elizabeth Rock, M.D. is a gastroenterology physician with a practice address in Limerick, Pennsylvania, and NPI 1003952326, issued on Jan 30, 2007. Check the license (Pennsylvania MD018382E, as entered in NPPES) on the Pennsylvania Department of State (PALS); the Medicare figures below come from public CMS files.
- Name
- Elizabeth Rock
- Credential
- M.D.
- Primary taxonomy
- Gastroenterology Physician 207RG0100X
- License number
- MD018382E PA
Self-reported in NPPES; status is on the state search - Practice location
- 420 W Linfield-Trappe Road, Limerick, PA 19468
- Phone
- (484) 938-4030
- Enumerated
- Jan 30, 2007
- Record last updated
- Jun 30, 2022
- Fax
- (484) 938-4040
- Entity
- Type 1 · individual
8 nearest gastroenterology physician records → All 1,049 in Pennsylvania → Look up another NPI →
Also registered at 420 W Linfield-Trappe Road
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Dawn Xander, CRNPAdult Health Nurse Practitioner1043447329
Verify Elizabeth Rock in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersPennsylvania Department of State (PALS)
Search for license MD018382ECheck the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
65% fewer Medicare Part D claims than the average gastroenterology physician in 2024
283 Medicare Part D claims for 117 beneficiaries, against an average of 811 among the 16,445 providers of this specialty who prescribed in Part D. Brand-name drugs were 16% of claims.
Most prescribed
- Pantoprazole Sodium97 claims
- Famotidine24 claims
- Omeprazole20 claims
- Mesalamine11 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.
The practice group's MIPS final score for 2023 (Medicare payment program): 86.8 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Elizabeth Rock among 1,049 gastroenterology physician records in Pennsylvania
Elizabeth Rock, M.D. is one of 1,049 gastroenterology physician records with a practice address in Pennsylvania. 85% 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 53% of them.
- NPI issued2007 · 53% of these records are older, 38% newer
- In a Medicare fileYes · 85% of these records are
- In the CMS Doctors and Clinicians fileNo · 73% of these records are
- Record last updated2022 · 63% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RG0100X and a Pennsylvania practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
3 gastroenterology physician records list a practice address in Limerick
They are 3 of the 148 NPPES records with a practice address in Limerick, and 1,049 gastroenterology physician records in Pennsylvania.
All 1,049 in Pennsylvania → Every provider in Limerick → Gastroenterology Physician nationwide →
The 8 gastroenterology physician records with the nearest ZIP codes
- Nicholas Katzen, MDLimerick, PA 194681932146982
- Annapurna Korimilli, M.D.Limerick, PA 194681053556167
- Deborah Fleischer, MDPottstown, PA 194641609856418
- Burhan Hameed, MDPottstown, PA 194641588656219
- Michael Pawlowsky, DOPottstown, PA 194641649250416
- Drew Ronnermann, MDPottstown, PA 194641235101999
- Kellen Kovalovich, M.DPhoenixville, PA 194601871689422
- Besma Samdani, MDPhoenixville, PA 194601730136219
Common questions
What is Elizabeth Rock, M.D.'s NPI number?
Elizabeth Rock, M.D.'s National Provider Identifier (NPI) is 1003952326, issued on Jan 30, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Elizabeth Rock, M.D. located?
The NPPES record lists a practice address at 420 W Linfield-Trappe Road, Limerick, PA, 19468. Phone: (484) 938-4030. Providers update this record themselves, so call before visiting.
How can I verify Elizabeth Rock, M.D.'s license?
NPPES lists Pennsylvania license number MD018382E, as entered by the provider. Search the Pennsylvania Department of State (PALS) at https://www.pals.pa.gov/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Elizabeth Rock, M.D. prescribe under Medicare Part D?
In 2024, Elizabeth Rock, M.D. had 283 Medicare Part D claims for 117 beneficiaries; the average among gastroenterology physician prescribers was 811. Part D covers Medicare prescriptions only.
What is Elizabeth Rock, M.D.'s MIPS final score?
The 2023 MIPS final score is 86.8 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.
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.