Blake Knudson Isom, DO
Emergency Medicine Physician · Harrisburg, PA
Blake Knudson Isom, DO is an emergency medicine physician with a practice address in Harrisburg, Pennsylvania, and NPI 1336433788, issued on Jun 2, 2011. Check the license (Pennsylvania OS016812, as entered in NPPES) on the Pennsylvania Department of State (PALS); the Medicare figures below come from public CMS files.
- Name
- Blake Knudson Isom
- Credential
- DO
- Primary taxonomy
- Emergency Medicine Physician 207P00000X
- License number
- OS016812 PA
Self-reported in NPPES; status is on the state search - Practice location
- 111 S Front St, Harrisburg, PA 17101
- Phone
- (717) 988-0000
- Enumerated
- Jun 2, 2011
- Record last updated
- Jan 16, 2021 (not updated in 5 years: call before relying on the address or phone)
- Fax
- (717) 782-5716
- Medicaid ID
- 102949254 PA
- Medicare enrollment
- Enrolled (PECOS I20140821002208); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest emergency medicine physician records → All 3,911 in Pennsylvania → Look up another NPI →
Also registered at 111 S Front St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Joseph Abraham, MDInternal Medicine Physician1013538115
- Astha AcharyaStudent in an Organized Health Care Education/Training Program1457240673
- Adrienne Ackerman, DOEmergency Medicine Physician1164835609
- Carson Adams, M.D.Emergency Medicine Physician1093120347
- Guy Agostinelli, DOStudent in an Organized Health Care Education/Training Program1053103473
- Usman Enesi Ahmed, MDStudent in an Organized Health Care Education/Training Program1053108571
Verify Blake Knudson Isom in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersPennsylvania Department of State (PALS)
Search for license OS016812Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
70% fewer Medicare Part D claims than the average emergency medicine physician in 2024
67 Medicare Part D claims for 48 beneficiaries, against an average of 226 among the 54,106 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.
The practice group's MIPS final score for 2023 (Medicare payment program): 71.8 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).
Bills Medicare through one group practice
- Pinnacle Health Emergency Department Services, LLCHarrisburg, PA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Blake Knudson Isom among 3,911 emergency medicine physician records in Pennsylvania
Blake Knudson Isom, DO is one of 3,911 emergency medicine physician records with a practice address in Pennsylvania. 82% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2011, is newer than 49% of them.
- NPI issued2011 · 49% of these records are older, 48% newer
- In a Medicare fileYes · 82% of these records are
- In the CMS Doctors and Clinicians fileYes · 57% of these records are
- Graduated2011 · median 2013 among the 2,231 with a school on file
- Record last updated2021 · 51% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207P00000X and a Pennsylvania practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
75 emergency medicine physician records list a practice address in Harrisburg
They are 75 of the 3,963 NPPES records with a practice address in Harrisburg, and 3,911 emergency medicine physician records in Pennsylvania.
All 3,911 in Pennsylvania → Every provider in Harrisburg → Emergency Medicine Physician nationwide →
The 8 emergency medicine physician records with the nearest ZIP codes
- Ralph Bledsoe, M.D.Harrisburg, PA 171011265468458
- Marc Bonin, DOHarrisburg, PA 171011154323723
- Christian Caicedo, MDHarrisburg, PA 171011053393223
- Michael Dangelo, DOHarrisburg, PA 171011265485551
- Carlo Deaugustine, DOHarrisburg, PA 171011841241577
- Frank Ditraglia, MDHarrisburg, PA 171011568459360
- Theodore Federoff, DOHarrisburg, PA 171011326077983
- Gerald Fronko, MDHarrisburg, PA 171011033156229
Common questions
What is Blake Knudson Isom, DO's NPI number?
Blake Knudson Isom, DO's National Provider Identifier (NPI) is 1336433788, issued on Jun 2, 2011. An NPI identifies a provider in billing; it is not a license.
Where is Blake Knudson Isom, DO located?
The NPPES record lists a practice address at 111 S Front St, Harrisburg, PA, 17101. Phone: (717) 988-0000. Providers update this record themselves, so call before visiting.
How can I verify Blake Knudson Isom, DO's license?
NPPES lists Pennsylvania license number OS016812, 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 Blake Knudson Isom, DO prescribe under Medicare Part D?
In 2024, Blake Knudson Isom, DO had 67 Medicare Part D claims for 48 beneficiaries; the average among emergency medicine physician prescribers was 226. Part D covers Medicare prescriptions only.
What is Blake Knudson Isom, DO's MIPS final score?
The 2023 MIPS final score is 71.8 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.