William Hartley Blakeslee, WILLIAM BLAKESLEE PA
Physician Assistant · Kalamazoo, MI
William Hartley Blakeslee, WILLIAM BLAKESLEE PA is a physician assistant with a practice address in Kalamazoo, Michigan, and NPI 1306039490, issued on Aug 22, 2007. Check the license (Michigan 5601005112, as entered in NPPES) with the Michigan board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- William Hartley Blakeslee
- Credential
- WILLIAM BLAKESLEE PA
- Primary taxonomy
- Physician Assistant 363A00000X
- License number
- 5601005112 MI
Self-reported in NPPES; status is on the state search - Practice location
- 601 John St, Kalamazoo, MI 49007
- Phone
- (269) 341-8481
- Enumerated
- Aug 22, 2007
- Record last updated
- Oct 31, 2014 (not updated in 12 years: call before relying on the address or phone)
- Fax
- (269) 341-7781
- Medicaid ID
- 1306039490 MI
- Medicare enrollment
- Enrolled (PECOS I20080112000031); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest physician assistant records → All 6,989 in Michigan → Look up another NPI →
Also registered at 601 John St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Lawrence Abramson, MDInternal Medicine Physician1467413575
- Karina Acevedo, PA-CMedical Physician Assistant1083150460
- Autumn AdamsEmergency Medical Services (Emergency Medicine) Physician1609350586
- Fadi Ajine, MDRheumatology Physician1275533986
- Hussein Akl, MDInternal Medicine Physician1699757849
- Kwsai Al-Rahhal, MDSleep Medicine (Internal Medicine) Physician1639159247
Verify William Hartley Blakeslee in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Michigan board licenses this profession
Search for license 5601005112Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
2.7 times the Medicare Part D claims of the average physician assistant in 2024
2,230 Medicare Part D claims for 305 beneficiaries, against an average of 830 among the 101,058 providers of this specialty who prescribed in Part D. Brand-name drugs were 7% of claims. 1,135 claims were for opioids.
Most prescribed
- Gabapentin384 claims
- Hydrocodone-Acetaminophen296 claims
- Tramadol Hcl236 claims
- Pregabalin151 claims
- Oxycodone-Acetaminophen138 claims
- Duloxetine Hcl106 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.
Industry payments in 2024: $223.21
12 payments; by number, the most common kind was food and beverage; the largest payer was Collegium Pharmaceutical, Inc. The 64,719 providers of this specialty with any payment received $841.65 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
- Kalamazoo Anesthesiology P CPortage, MI
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
William Hartley Blakeslee among 6,989 physician assistant records in Michigan
William Hartley Blakeslee, WILLIAM BLAKESLEE PA is one of 6,989 physician assistant records with a practice address in Michigan. 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 2007, is newer than 17% of them.
- NPI issued2007 · 17% of these records are older, 76% newer
- In a Medicare fileYes · 82% of these records are
- In the CMS Doctors and Clinicians fileYes · 68% of these records are
- Graduated2007 · median 2017 among the 4,739 with a school on file
- Record last updated2014 · 40% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363A00000X and a Michigan practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
173 physician assistant records list a practice address in Kalamazoo
They are 173 of the 6,553 NPPES records with a practice address in Kalamazoo, and 6,989 physician assistant records in Michigan.
All 6,989 in Michigan → Every provider in Kalamazoo → Physician Assistant nationwide →
The 8 physician assistant records with the nearest ZIP codes
- Karen Brown, PACKalamazoo, MI 490071790890655
- Courtney Converse, PA-CKalamazoo, MI 490071699743872
- Autumn Hopkins, PA-CKalamazoo, MI 490071962445080
- Jennifer Hurtt, PAKalamazoo, MI 490071447445002
- Pamela Leveston-Hamilton, PA-CKalamazoo, MI 490071427107077
- Paula Lockwood, PAKalamazoo, MI 490071164623260
- Yvette Lozano, PHYSICIAN ASSISTANTKalamazoo, MI 490071780780007
- Sean O'Neill, PA-CKalamazoo, MI 490071154342889
Common questions
What is William Hartley Blakeslee, WILLIAM BLAKESLEE PA's NPI number?
William Hartley Blakeslee, WILLIAM BLAKESLEE PA's National Provider Identifier (NPI) is 1306039490, issued on Aug 22, 2007. An NPI identifies a provider in billing; it is not a license.
Where is William Hartley Blakeslee, WILLIAM BLAKESLEE PA located?
The NPPES record lists a practice address at 601 John St, Kalamazoo, MI, 49007. Phone: (269) 341-8481. Providers update this record themselves, so call before visiting.
How can I verify William Hartley Blakeslee, WILLIAM BLAKESLEE PA's license?
NPPES lists Michigan license number 5601005112, as entered by the provider. Search the Michigan board that licenses this profession; the NPPES record confirms identity only.
How much does William Hartley Blakeslee, WILLIAM BLAKESLEE PA prescribe under Medicare Part D?
In 2024, William Hartley Blakeslee, WILLIAM BLAKESLEE PA had 2,230 Medicare Part D claims for 305 beneficiaries; the average among physician assistant prescribers was 830. Part D covers Medicare prescriptions only.
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.