Aaron D. Simms, MD
Internal Medicine Physician · Lock Haven, PA
Aaron D. Simms, MD is an internal medicine physician with a practice address in Lock Haven, Pennsylvania, and NPI 1578593216, issued on Jul 4, 2006. Check the license (Pennsylvania MD033949E, as entered in NPPES) on the Pennsylvania Department of State (PALS); the Medicare figures below come from public CMS files.
- Name
- Aaron D. Simms
- Credential
- MD
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License numbers
- MD033949E PA
K4247 TX
Self-reported in NPPES; status is on the state search - Practice location
- 24 Cree Dr, Lock Haven, PA 17745
- Phone
- (570) 893-5040
- Enumerated
- Jul 4, 2006
- Record last updated
- Jun 22, 2022
- Medicaid ID
- 0012611550016 PA
- Medicare enrollment
- Enrolled (PECOS I20220408000568); accepts Medicare assignment
- Medical or professional school
- University Of California, San Diego School Of Medicine, 1984
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 7,300 in Pennsylvania → Look up another NPI →
Also registered at 24 Cree Dr
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Amy Adrian, CRNPNurse Practitioner1508298316
- Brian Altman, MDOrthopaedic Surgery Physician1770576993
- William Baldino, MDThoracic Surgery (Cardiothoracic Vascular Surgery) Physician1396787438
- Margaret Beaton, MED, CCC-SLPSpeech-Language Pathologist1891347670
- John Blachek, PHYSICAL THERAPISTPhysical Therapist1801448261
- Robyn Croce, PTAPhysical Therapy Assistant1124670690
Verify Aaron D. Simms in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersPennsylvania Department of State (PALS)
Search for license MD033949ECheck the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
96% fewer Medicare Part D claims than the average internal medicine physician in 2024
120 Medicare Part D claims for 104 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. 17 claims were for opioids.
Most prescribed
- Ondansetron Odt31 claims
- Sulfamethoxazole-Trimethoprim18 claims
- Tramadol Hcl15 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): 92.7 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
- Maverick Emergency Medicine Associates PAEagle Pass, TX
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Aaron D. Simms among 7,300 internal medicine physician records in Pennsylvania
Aaron D. Simms, MD is one of 7,300 internal medicine physician records with a practice address in Pennsylvania. 78% 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 9% of them.
- NPI issued2006 · 9% of these records are older, 64% newer
- In a Medicare fileYes · 78% of these records are
- In the CMS Doctors and Clinicians fileYes · 58% of these records are
- Graduated1984 · median 2008 among the 4,208 with a school on file
- Record last updated2022 · 56% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a Pennsylvania practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
7 internal medicine physician records list a practice address in Lock Haven
They are 7 of the 309 NPPES records with a practice address in Lock Haven, and 7,300 internal medicine physician records in Pennsylvania.
All 7,300 in Pennsylvania → Every provider in Lock Haven → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Charles Ackley, D.O.Lock Haven, PA 177451326012717
- Bharat Adroja, M.D.Lock Haven, PA 177451821070947
- Pravinchandra Chapla, M.D.Lock Haven, PA 177451518935501
- Jerome Ellis, MDLock Haven, PA 177451568423366
- Rajesh Patel, M.D.Lock Haven, PA 177451013985936
- Carmen Spinney, M.D.Lock Haven, PA 177451285717074
- Amy SudolMontgomery, PA 177521811450604
- Ingrid Donato, MDMontoursville, PA 177541497745616
Common questions
What is Aaron D. Simms, MD's NPI number?
Aaron D. Simms, MD's National Provider Identifier (NPI) is 1578593216, issued on Jul 4, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Aaron D. Simms, MD located?
The NPPES record lists a practice address at 24 Cree Dr, Lock Haven, PA, 17745. Phone: (570) 893-5040. Providers update this record themselves, so call before visiting.
How can I verify Aaron D. Simms, MD's license?
NPPES lists Pennsylvania license number MD033949E, 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 Aaron D. Simms, MD prescribe under Medicare Part D?
In 2024, Aaron D. Simms, MD had 120 Medicare Part D claims for 104 beneficiaries; the average among internal medicine physician prescribers was 3,176. Part D covers Medicare prescriptions only.
What is Aaron D. Simms, MD's MIPS final score?
The 2023 MIPS final score is 92.7 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.