Margaret Bell McPherson, M.D.
Family Medicine Physician · Bryn Mawr, PA
Margaret Bell McPherson, M.D. is a family medicine physician with a practice address in Bryn Mawr, Pennsylvania, and NPI 1316074461, issued on Feb 27, 2007. Check the license (Pennsylvania 046445-L, as entered in NPPES) on the Pennsylvania Department of State (PALS); the Medicare figures below come from public CMS files.
- Name
- Margaret Bell McPherson
- Credential
- M.D.
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- 046445-L PA
Self-reported in NPPES; status is on the state search - Practice location
- 447 Great Springs RD, Bryn Mawr, PA 19010
- Phone
- (610) 525-4547
- Enumerated
- Feb 27, 2007
- Record last updated
- Jul 9, 2007 (not updated in 19 years: call before relying on the address or phone)
- Fax
- (610) 519-1556
- Medicare enrollment
- Enrolled (PECOS I20101026001081); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 7,483 in Pennsylvania → Look up another NPI →
Also registered at 447 Great Springs RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Andrew Fisher, M.D.Internal Medicine Physician1497881478
Verify Margaret Bell McPherson in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersPennsylvania Department of State (PALS)
Search for license 046445-LCheck the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
2.7 times the Medicare Part D claims of the average family medicine physician in 2024
9,530 Medicare Part D claims for 721 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. Brand-name drugs were 9% of claims. 102 claims were for opioids.
Most prescribed
- Atorvastatin Calcium739 claims
- Losartan Potassium517 claims
- Amlodipine Besylate496 claims
- Levothyroxine Sodium355 claims
- Rosuvastatin Calcium343 claims
- Lorazepam293 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): 95.8 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).
Industry payments in 2024: $1,323.52
65 payments; by number, the most common kind was food and beverage; the largest payer was Novo Nordisk Inc. 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.
Bills Medicare through one group practice
- Bryn Mawr Medical Specialists AssociationBryn Mawr, PA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Margaret Bell McPherson among 7,483 family medicine physician records in Pennsylvania
Margaret Bell McPherson, M.D. 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 2007, is newer than 47% of them.
- NPI issued2007 · 47% of these records are older, 46% newer
- In a Medicare fileYes · 79% of these records are
- In the CMS Doctors and Clinicians fileYes · 61% of these records are
- Graduated1989 · median 2005 among the 4,529 with a school on file
- Record last updated2007 · 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).
41 family medicine physician records list a practice address in Bryn Mawr
They are 41 of the 1,496 NPPES records with a practice address in Bryn Mawr, and 7,483 family medicine physician records in Pennsylvania.
All 7,483 in Pennsylvania → Every provider in Bryn Mawr → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
- Christine Black-Langenau, D.O.Bryn Mawr, PA 190101548375348
- Brian BullockBryn Mawr, PA 190101376648311
- Anthony Camp, M.D.Bryn Mawr, PA 190101407836174
- Priscilla Chiu, MDBryn Mawr, PA 190101861472474
- Wendy Fuhr, MDBryn Mawr, PA 190101770555864
- John Gimpel, D.O.Bryn Mawr, PA 190101376533596
- Sean Green, M.D.Bryn Mawr, PA 190101548296601
- Scott Greenberg, MDBryn Mawr, PA 190101972653384
Common questions
What is Margaret Bell McPherson, M.D.'s NPI number?
Margaret Bell McPherson, M.D.'s National Provider Identifier (NPI) is 1316074461, issued on Feb 27, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Margaret Bell McPherson, M.D. located?
The NPPES record lists a practice address at 447 Great Springs RD, Bryn Mawr, PA, 19010. Phone: (610) 525-4547. Providers update this record themselves, so call before visiting.
How can I verify Margaret Bell McPherson, M.D.'s license?
NPPES lists Pennsylvania license number 046445-L, 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 Margaret Bell McPherson, M.D. prescribe under Medicare Part D?
In 2024, Margaret Bell McPherson, M.D. had 9,530 Medicare Part D claims for 721 beneficiaries; the average among family medicine physician prescribers was 3,544. Part D covers Medicare prescriptions only.
What is Margaret Bell McPherson, M.D.'s MIPS final score?
The 2023 MIPS final score is 95.8 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.