Darryl K. Guistwite, DO
Family Medicine Physician · Carlisle, PA
Darryl K. Guistwite, DO is a family medicine physician with a practice address in Carlisle, Pennsylvania, and NPI 1609816586, issued on Jun 7, 2006. Check the license (Pennsylvania OS010715L, as entered in NPPES) on the Pennsylvania Department of State (PALS); the Medicare figures below come from public CMS files.
- Name
- Darryl K. Guistwite
- Credential
- DO
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- OS010715L PA
Self-reported in NPPES; status is on the state search - Practice location
- 56 Ashton St, Carlisle, PA 17015
- Phone
- (717) 609-2052
- Enumerated
- Jun 7, 2006
- Record last updated
- Sep 23, 2007 (not updated in 19 years: call before relying on the address or phone)
- Fax
- (717) 258-1656
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 7,483 in Pennsylvania → Look up another NPI →
Verify Darryl K. Guistwite in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersPennsylvania Department of State (PALS)
Search for license OS010715LCheck the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
12.5 times the Medicare Part D claims of the average family medicine physician in 2024
44,258 Medicare Part D claims for 409 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. Brand-name drugs were 8% of claims. 468 claims were for opioids.
Most prescribed
- Atorvastatin Calcium2,048 claims
- Furosemide1,637 claims
- Levothyroxine Sodium1,345 claims
- Gabapentin1,318 claims
- Amlodipine Besylate1,182 claims
- Lisinopril1,153 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 MIPS final score for 2023 (Medicare payment program): 80.4 of 100
The Merit-based Incentive Payment System score is reported for this clinician. 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; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $42.80
2 payments; by number, the most common kind was food and beverage; the largest payer was Lundbeck LLC. 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.
Darryl K. Guistwite among 7,483 family medicine physician records in Pennsylvania
Darryl K. Guistwite, DO 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 2006, is newer than 12% of them.
- NPI issued2006 · 12% of these records are older, 53% newer
- In a Medicare fileYes · 79% of these records are
- In the CMS Doctors and Clinicians fileNo · 61% of these records are
- 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).
30 family medicine physician records list a practice address in Carlisle
They are 30 of the 1,047 NPPES records with a practice address in Carlisle, and 7,483 family medicine physician records in Pennsylvania.
All 7,483 in Pennsylvania → Every provider in Carlisle → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
- Michael Baer, M.D.Carlisle, PA 170151346485281
- Laurel Bailey, MDCarlisle, PA 170151467445379
- Babak Behta, MDCarlisle, PA 170151023075090
- Ryan Crim, MDCarlisle, PA 170151457306003
- David Dell, M.D.Carlisle, PA 170151346240710
- Benjamin Martin, MDCarlisle, PA 170151659362408
- William Phelan, MDCarlisle, PA 170151275518268
- Miguel Salomon, MDCarlisle, PA 170151952736225
Common questions
What is Darryl K. Guistwite, DO's NPI number?
Darryl K. Guistwite, DO's National Provider Identifier (NPI) is 1609816586, issued on Jun 7, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Darryl K. Guistwite, DO located?
The NPPES record lists a practice address at 56 Ashton St, Carlisle, PA, 17015. Phone: (717) 609-2052. Providers update this record themselves, so call before visiting.
How can I verify Darryl K. Guistwite, DO's license?
NPPES lists Pennsylvania license number OS010715L, 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 Darryl K. Guistwite, DO prescribe under Medicare Part D?
In 2024, Darryl K. Guistwite, DO had 44,258 Medicare Part D claims for 409 beneficiaries; the average among family medicine physician prescribers was 3,544. Part D covers Medicare prescriptions only.
What is Darryl K. Guistwite, DO's MIPS final score?
The 2023 MIPS final score is 80.4 of 100. 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.