Maria Adelaida Slack, M.D.
Allergy & Immunology Physician · Findlay, OH
Maria Adelaida Slack, M.D. is an allergy & immunology physician with a practice address in Findlay, Ohio, and NPI 1831325661, issued on Jun 8, 2009. Check the license (Ohio 35.099962, as entered in NPPES) on the State Medical Board of Ohio; the Medicare figures below come from public CMS files.
- Name
- Maria Adelaida Slack
- Credential
- M.D.
- Primary taxonomy
- Allergy & Immunology Physician 207K00000X
- License number
- 35.099962 OH
Self-reported in NPPES; status is on the state search - Practice location
- 1816 Chapel Dr Ste G, Findlay, OH 45840
- Phone
- (419) 423-5470
- Enumerated
- Jun 8, 2009
- Record last updated
- Apr 3, 2024
- Fax
- (419) 423-7670
- Medicare enrollment
- Enrolled (PECOS I20190318002312); accepts Medicare assignment
- Medical or professional school
- University Of Oklahoma College Of Medicine, 2009
- Entity
- Type 1 · individual
8 nearest allergy & immunology physician records → All 132 in Ohio → Look up another NPI →
Verify Maria Adelaida Slack in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersState Medical Board of Ohio
Search for license 35.099962Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
8% fewer Medicare Part D claims than the average allergy & immunology physician in 2024
685 Medicare Part D claims for 167 beneficiaries, against an average of 741 among the 2,899 providers of this specialty who prescribed in Part D. Brand-name drugs were 35% of claims.
Most prescribed
- Montelukast Sodium120 claims
- Azelastine Hcl64 claims
- Xolair45 claims
- Flunisolide41 claims
- Fluticasone Propionate41 claims
- Famotidine33 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): 67.8 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: $203.16
3 payments; by number, the most common kind was food and beverage; the largest payer was Alexion Pharmaceuticals, Inc. The 2,496 providers of this specialty with any payment received $8,321.81 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
- Specialty Physicians OF Blanchard Valley LLCFindlay, OH
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Maria Adelaida Slack among 132 allergy & immunology physician records in Ohio
Maria Adelaida Slack, M.D. is one of 132 allergy & immunology physician records with a practice address in Ohio. 83% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2009, is newer than 64% of them.
- NPI issued2009 · 64% of these records are older, 33% newer
- In a Medicare fileYes · 83% of these records are
- In the CMS Doctors and Clinicians fileYes · 70% of these records are
- Graduated2009 · median 2006 among the 93 with a school on file
- Record last updated2024 · 55% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207K00000X and a Ohio practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Allergy & Immunology Physician providers in Ohio
There are 132 allergy & immunology physician records in Ohio.
All 132 in Ohio → Every provider in Findlay → Allergy & Immunology Physician nationwide →
The 8 allergy & immunology physician records with the nearest ZIP codes
- Amber Patterson, M.D.Findlay, OH 458401104082957
- Mona Imam, M.D.Marietta, OH 457501053351494
- Christopher Clark, M.D.Gallipolis, OH 456311639123995
- Dana Esham, MDChillicothe, OH 456011710181375
- Arturo Bonnin, MDCenterville, OH 454581790761823
- Charles Debrosse, M.D.Dayton, OH 454581700043155
- Harcharan SinghCenterville, OH 454581861484800
- Thad Francis Ocampo, M.D.Wpafb, OH 454331710184759
Common questions
What is Maria Adelaida Slack, M.D.'s NPI number?
Maria Adelaida Slack, M.D.'s National Provider Identifier (NPI) is 1831325661, issued on Jun 8, 2009. An NPI identifies a provider in billing; it is not a license.
Where is Maria Adelaida Slack, M.D. located?
The NPPES record lists a practice address at 1816 Chapel Dr Ste G, Findlay, OH, 45840. Phone: (419) 423-5470. Providers update this record themselves, so call before visiting.
How can I verify Maria Adelaida Slack, M.D.'s license?
NPPES lists Ohio license number 35.099962, as entered by the provider. Search the State Medical Board of Ohio at https://elicense.ohio.gov/oh_verifylicense. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Maria Adelaida Slack, M.D. prescribe under Medicare Part D?
In 2024, Maria Adelaida Slack, M.D. had 685 Medicare Part D claims for 167 beneficiaries; the average among allergy & immunology physician prescribers was 741. Part D covers Medicare prescriptions only.
What is Maria Adelaida Slack, M.D.'s MIPS final score?
The 2023 MIPS final score is 67.8 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.