Sonya M. Foster-Merrow, MD
Family Medicine Physician · Reading, PA
Sonya M. Foster-Merrow, MD is a family medicine physician with a practice address in Reading, Pennsylvania, and NPI 1023031093, issued on Jul 25, 2006. Check the license (Pennsylvania MD432595, as entered in NPPES) on the Pennsylvania Department of State (PALS); the Medicare figures below come from public CMS files.
- Name
- Sonya M. Foster-Merrow
- Credential
- MD
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- MD432595 PA
Self-reported in NPPES; status is on the state search - Practice location
- 951 N 6TH St Ste 221, Reading, PA 19601
- Phone
- (484) 207-2000
- Enumerated
- Jul 25, 2006
- Record last updated
- May 26, 2026
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 7,483 in Pennsylvania → Look up another NPI →
Also registered at 951 N 6TH St Ste 221
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Sonya M. Foster-Merrow in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersPennsylvania Department of State (PALS)
Search for license MD432595Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
66% more Medicare Part D claims than the average family medicine physician in 2024
5,889 Medicare Part D claims for 649 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. 179 claims were for opioids.
Most prescribed
- Levothyroxine Sodium301 claims
- Atorvastatin Calcium281 claims
- Lisinopril276 claims
- Losartan Potassium241 claims
- Amlodipine Besylate231 claims
- Rosuvastatin Calcium153 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): 78.4 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).
Industry payments in 2024: $1,447.80
40 payments; by number, the most common kind was food and beverage; the largest payer was AstraZeneca Pharmaceuticals LP. 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.
Sonya M. Foster-Merrow among 7,483 family medicine physician records in Pennsylvania
Sonya M. Foster-Merrow, MD is one of 7,483 family medicine physician records with a practice address in Pennsylvania. 79% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 12% of them.
- NPI issued2006 · 12% of these records are older, 53% newer
- In a Medicare fileYes · 79% of these records are
- In the CMS Doctors and Clinicians fileNo · 61% of these records are
- Record last updated2026 · 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 Pennsylvania practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
83 family medicine physician records list a practice address in Reading
They are 83 of the 1,822 NPPES records with a practice address in Reading, and 7,483 family medicine physician records in Pennsylvania.
All 7,483 in Pennsylvania → Every provider in Reading → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
- Felipe Arias, M.D.Reading, PA 196011124055371
- Sandhya BuchReading, PA 196011730294083
- Niladri Das, MDReading, PA 196011275731689
- Margaret Flores-Posadas, MDReading, PA 196011457437931
- Nicanor Granados, M.D.Reading, PA 196011639178353
- Accamma Joy, D.O.Reading, PA 196011124133285
- Joseph Kang, MDReading, PA 196011053302570
- Seema Kapadia Steel, D.O.Reading, PA 196011770664146
Common questions
What is Sonya M. Foster-Merrow, MD's NPI number?
Sonya M. Foster-Merrow, MD's National Provider Identifier (NPI) is 1023031093, issued on Jul 25, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Sonya M. Foster-Merrow, MD located?
The NPPES record lists a practice address at 951 N 6TH St Ste 221, Reading, PA, 19601. Phone: (484) 207-2000. Providers update this record themselves, so call before visiting.
How can I verify Sonya M. Foster-Merrow, MD's license?
NPPES lists Pennsylvania license number MD432595, 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 Sonya M. Foster-Merrow, MD prescribe under Medicare Part D?
In 2024, Sonya M. Foster-Merrow, MD had 5,889 Medicare Part D claims for 649 beneficiaries; the average among family medicine physician prescribers was 3,544. Part D covers Medicare prescriptions only.
What is Sonya M. Foster-Merrow, MD's MIPS final score?
The 2023 MIPS final score is 78.4 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.