Reid Mergler, MD
Psychiatry Physician · Philadelphia, PA
Reid Mergler, MD is a psychiatry physician with a practice address in Philadelphia, Pennsylvania, and NPI 1558820654, issued on Mar 18, 2019. Check the license (Pennsylvania MD481269, as entered in NPPES) on the Pennsylvania Department of State (PALS); the Medicare figures below come from public CMS files.
- Name
- Reid Mergler
- Credential
- MD
- Primary taxonomy
- Psychiatry Physician 2084P0800X
- License number
- MD481269 PA
Self-reported in NPPES; status is on the state search - Practice location
- 3535 Market St FL 2, Philadelphia, PA 19104
- Phone
- (215) 746-6701
- Enumerated
- Mar 18, 2019
- Record last updated
- Mar 22, 2024
- Fax
- (215) 756-7350
- Medicare enrollment
- Enrolled (PECOS I20230630001148); accepts Medicare assignment
- Medical or professional school
- Albert Einstein College Of Medicine Of Yeshiva University, 2019
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest psychiatry physician records → All 2,662 in Pennsylvania → Look up another NPI →
Also registered at 3535 Market St FL 2
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Lara Boyle, MD, PHDStudent in an Organized Health Care Education/Training Program1124722269
- Phillip Bradshaw, MDStudent in an Organized Health Care Education/Training Program1225787443
- Lindsey Brier, MD, PHDStudent in an Organized Health Care Education/Training Program1043914567
- Zoe BuckwalterClinical Social Worker1104540624
- Sofia Commito, LCSWClinical Social Worker1255840732
- Shalini Dave, D.O.Psychiatry Physician1306285655
Verify Reid Mergler in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersPennsylvania Department of State (PALS)
Search for license MD481269Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
54% fewer Medicare Part D claims than the average psychiatry physician in 2024
461 Medicare Part D claims for 36 beneficiaries, against an average of 1,000 among the 35,054 providers of this specialty who prescribed in Part D. Brand-name drugs were 15% of claims.
Most prescribed
- Lithium Carbonate50 claims
- Sertraline Hcl40 claims
- Aripiprazole33 claims
- Lamotrigine29 claims
- Clonazepam24 claims
- Benztropine Mesylate23 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): 85.5 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).
Bills Medicare through one group practice
- University OF Penn - Medical GroupPhiladelphia, PA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Reid Mergler among 2,662 psychiatry physician records in Pennsylvania
Reid Mergler, MD 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 2019, is newer than 83% of them.
- NPI issued2019 · 83% of these records are older, 14% newer
- In a Medicare fileYes · 72% of these records are
- In the CMS Doctors and Clinicians fileYes · 45% of these records are
- Graduated2019 · median 2003 among the 1,186 with a school on file
- Record last updated2024 · 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).
727 psychiatry physician records list a practice address in Philadelphia
They are 727 of the 42,849 NPPES records with a practice address in Philadelphia, and 2,662 psychiatry physician records in Pennsylvania.
All 2,662 in Pennsylvania → Every provider in Philadelphia → Psychiatry Physician nationwide →
The 8 psychiatry physician records with the nearest ZIP codes
- Steven Arnold, MDPhiladelphia, PA 191041437186327
- James Cornish, MDPhiladelphia, PA 191041417984337
- Charles Dackis, MDPhiladelphia, PA 191041922034628
- Sarah Demichele, MDPhiladelphia, PA 191041669408449
- Benoit Dube, MDPhiladelphia, PA 191041659307338
- Steven Huege, MDPhiladelphia, PA 191041598716367
- Deborah Kim, MDPhiladelphia, PA 191041477580389
- Avram MackPhiladelphia, PA 191041811972573
Common questions
What is Reid Mergler, MD's NPI number?
Reid Mergler, MD's National Provider Identifier (NPI) is 1558820654, issued on Mar 18, 2019. An NPI identifies a provider in billing; it is not a license.
Where is Reid Mergler, MD located?
The NPPES record lists a practice address at 3535 Market St FL 2, Philadelphia, PA, 19104. Phone: (215) 746-6701. Providers update this record themselves, so call before visiting.
How can I verify Reid Mergler, MD's license?
NPPES lists Pennsylvania license number MD481269, 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 Reid Mergler, MD prescribe under Medicare Part D?
In 2024, Reid Mergler, MD had 461 Medicare Part D claims for 36 beneficiaries; the average among psychiatry physician prescribers was 1,000. Part D covers Medicare prescriptions only.
What is Reid Mergler, MD's MIPS final score?
The 2023 MIPS final score is 85.5 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.