David Mark Leach, M.D.
Psychiatry Physician · Newtown, PA
David Mark Leach, M.D. is a psychiatry physician with a practice address in Newtown, Pennsylvania, and NPI 1295996643, issued on Jun 18, 2008. Check the license (Pennsylvania MD039284E, as entered in NPPES) on the Pennsylvania Department of State (PALS); the Medicare figures below come from public CMS files.
- Name
- David Mark Leach
- Credential
- M.D.
- Primary taxonomy
- Psychiatry Physician 2084P0800X
- License number
- MD039284E PA
Self-reported in NPPES; status is on the state search - Practice location
- 1426 Ridgewood LN, Newtown, PA 18940
- Phone
- (215) 579-7976
- Enumerated
- Jun 18, 2008
- Record last updated
- Jun 18, 2008 (not updated in 18 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20110819000039); may accept Medicare assignment
- Medical or professional school
- Ohio State University College Of Medicine, 1986
- Entity
- Type 1 · individual
8 nearest psychiatry physician records → All 2,662 in Pennsylvania → Look up another NPI →
Verify David Mark Leach in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersPennsylvania Department of State (PALS)
Search for license MD039284ECheck the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
91% fewer Medicare Part D claims than the average psychiatry physician in 2024
90 Medicare Part D claims for 29 beneficiaries, against an average of 1,000 among the 35,054 providers of this specialty who prescribed in Part D.
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: $55.52
2 payments; by number, the most common kind was food and beverage; the largest payer was Neurocrine Biosciences, Inc. The 13,693 providers of this specialty with any payment received $4,954.93 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
- Belmont Behavioral Hospital LLCPhiladelphia, PA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
David Mark Leach among 2,662 psychiatry physician records in Pennsylvania
David Mark Leach, M.D. is one of 2,662 psychiatry physician records with a practice address in Pennsylvania. 72% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2008, is newer than 54% of them.
- NPI issued2008 · 54% of these records are older, 41% newer
- In a Medicare fileYes · 72% of these records are
- In the CMS Doctors and Clinicians fileYes · 45% of these records are
- Graduated1986 · median 2003 among the 1,186 with a school on file
- Record last updated2008 · 60% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2084P0800X and a Pennsylvania practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
10 psychiatry physician records list a practice address in Newtown
They are 10 of the 866 NPPES records with a practice address in Newtown, and 2,662 psychiatry physician records in Pennsylvania.
All 2,662 in Pennsylvania → Every provider in Newtown → Psychiatry Physician nationwide →
The 8 psychiatry physician records with the nearest ZIP codes
- Gerald Galietta, M.D.Newtown, PA 189401679583017
- Jasmine Gill, M.D.Newtown, PA 189401164747697
- Rita Krichevsky, MD MSPHNewton, PA 189401851561963
- Jonathan Lester, MDNewtown, PA 189401184080863
- Harry Markow, MDNewtown, PA 189401528167319
- Randi Mittleman, M.D.Newtown, PA 189401285655720
- Louis Parrott, M.D., PH.D.Newtown, PA 189401982811998
- Seth Rosenwald, DONewtown, PA 189401649314097
Common questions
What is David Mark Leach, M.D.'s NPI number?
David Mark Leach, M.D.'s National Provider Identifier (NPI) is 1295996643, issued on Jun 18, 2008. An NPI identifies a provider in billing; it is not a license.
Where is David Mark Leach, M.D. located?
The NPPES record lists a practice address at 1426 Ridgewood LN, Newtown, PA, 18940. Phone: (215) 579-7976. Providers update this record themselves, so call before visiting.
How can I verify David Mark Leach, M.D.'s license?
NPPES lists Pennsylvania license number MD039284E, 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 David Mark Leach, M.D. prescribe under Medicare Part D?
In 2024, David Mark Leach, M.D. had 90 Medicare Part D claims for 29 beneficiaries; the average among psychiatry physician prescribers was 1,000. 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.