William Hartley Blakeslee III, PA
- Medicare patients, 2024
- 239
- Part D claims, 2024
- 2,230
- Hospital affiliations
- 1
- Industry payments
- $164
- Medical groups
- 2
- Practice address
- 7920 Kirkland Ct, Portage, MI 49024
- Practice phone
- Call (269) 381-7246
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Kalamazoo Anesthesiology
Portage, Michigan
Find William Blakeslee's professional email, personal email and mobile number
Dmand AI checks each channel through healthcare-specific waterfall enrichment. See what is on file with a free account, with practice phones, licenses and affiliations.
William Hartley Blakeslee III is a physician assistant in Portage, Michigan
William Blakeslee practices at Kalamazoo Anesthesiology in Portage, Michigan.
William Blakeslee's NPI, 1306039490, was assigned on August 22, 2007. William Blakeslee holds Michigan license 5601005112.
- NPI
- 1306039490NPI Registry (opens in a new tab)
- Medicare PAC ID
- 4183705494
- NPI enumeration date
- August 22, 2007
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (269) 381-7246
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 45
- Medical school graduation
- 2007
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
William Hartley Blakeslee III practices at Kalamazoo Anesthesiology in Portage, Michigan
William Blakeslee's primary practice is Kalamazoo Anesthesiology, at 7920 Kirkland Ct, Portage, MI 49024 in Kalamazoo County. The practice phone is (269) 381-7246.
- Kalamazoo Anesthesiology7920 Kirkland Ct, Portage, MI 49024 · Kalamazoo CountyPhone(269) 381-7246
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
William Hartley Blakeslee III is affiliated with 2 sites of care and 2 medical groups
William Blakeslee's primary practice is Kalamazoo Anesthesiology in Portage, Michigan. William Blakeslee is also affiliated with Bronson Methodist Hospital. The medical group on file is Kalamazoo Anesthesiology, PC. Dmand AI also links William Blakeslee to 1 more medical group, named with a free account.
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at William Hartley Blakeslee III's practice
Dmand AI tracks the electronic health record (EHR) system at each site where William Blakeslee practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Kalamazoo Anesthesiology | Available with a free account |
| +1 more site and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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William Hartley Blakeslee III is one of 5,857 physician assistants in Michigan
Physician assistant is William Blakeslee's primary specialty in the NPI Registry, under taxonomy code 363A00000X. William Blakeslee is licensed in Michigan.
Specialties and state licenses
- Physician assistant, MichiganPrimary
Physician assistants near William Blakeslee
Counts of physician assistants with a Dmand AI profile, by place and practice. Each opens the list.
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
William Hartley Blakeslee III treated 239 Medicare patients in 2024, average age 70
CMS counts 239 Medicare patients who saw William Blakeslee in 2024. The largest group is 65 to 74, with 95 patients. 75% of them have arthritis, and 69% have high blood pressure. 15% are also on Medicaid. Their average risk score is 1.47, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts William Blakeslee's median patient age at 67, with 62% women.
William Blakeslee's Medicare patients by age, 2024
William Blakeslee's Medicare patients by sex, 2024
- Women15464%
- Men8536%
Chronic conditions among William Blakeslee's Medicare patients, 2024
- Arthritis75%
- High blood pressure69%
- High cholesterol67%
- Mood disorders49%
- Depression45%
- Anxiety38%
- Diabetes27%
- Chronic kidney disease26%
Share of Medicare patients with each condition. A patient can have several.
William Blakeslee's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 67
Patient panel by sex, all payers
- Women62%
- Men38%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
William Hartley Blakeslee III wrote 2,230 Medicare Part D claims in 2024
In 2024, William Blakeslee wrote 2,230 Medicare Part D claims for 305 patients. 93% of them were for generic drugs.
William Blakeslee's Part D claims by kind of drug, 2024
- Generic2,073 claims93%
- Brand-name157 claims7%
Drug classes CMS tracks in William Blakeslee's Part D claims, 2024
- Opioids51%1,135 of 2,230 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
Source: Medicare Part D Prescribers - by Provider (CMS), 2024 data
How William Hartley Blakeslee III takes part in Medicare
William Blakeslee accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
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William Hartley Blakeslee III received $164 in industry payments in 2025
CMS Open Payments shows 9 general payments to William Blakeslee from 4 drug and device companies in 2025. Food and beverage make up the largest share, 100% of the total. Collegium Pharmaceutical, Inc. paid the most, $80.
Companies that paid William Blakeslee the most, 2025 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for William Hartley Blakeslee III's profile data
| Data on this page | Source |
|---|---|
| NPI, name, sex, specialty and licenses | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data |
| Practice locations and phone | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data |
| Primary practice, affiliations and health system | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand AI Affiliation DataDmand AI Org Hierarchy Data |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab) |
| Part D prescribing | Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab) |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| EHR at each practice site | Dmand AI Technology Install Data |
| Similar physicians | Dmand AI Affiliation Data |
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about William Hartley Blakeslee III
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is William Hartley Blakeslee III's NPI number?
William Hartley Blakeslee III's NPI number is 1306039490. It was assigned on August 22, 2007, and it is active in the NPI Registry.
What does William Hartley Blakeslee III specialize in?
William Hartley Blakeslee III is a physician assistant in Portage, Michigan. The primary specialty in the NPI Registry is Physician Assistant (taxonomy code 363A00000X).
Where does William Hartley Blakeslee III practice?
William Blakeslee practices at 7920 Kirkland Ct, Portage, MI 49024. William Blakeslee's primary practice is Kalamazoo Anesthesiology in Portage, Michigan. Dmand AI also links William Blakeslee to 1 medical group.
What is William Hartley Blakeslee III's office phone number?
The practice phone on file for William Blakeslee is (269) 381-7246.
What is William Hartley Blakeslee III's medical license number?
William Blakeslee holds Michigan license 5601005112.
Which hospitals is William Hartley Blakeslee III affiliated with?
William Blakeslee is affiliated with Bronson Methodist Hospital.
What medical group is William Hartley Blakeslee III part of?
William Blakeslee is linked to Kalamazoo Anesthesiology, PC. Dmand AI links William Blakeslee to 1 more medical group.
Does William Hartley Blakeslee III accept Medicare?
Yes. CMS lists William Blakeslee as accepting Medicare assignment.
How many Medicare patients does William Hartley Blakeslee III see?
CMS counts 239 Medicare patients who saw William Blakeslee in 2024, with an average age of 70.
Has William Hartley Blakeslee III received payments from drug or device companies?
CMS Open Payments shows $164 in general payments to William Blakeslee from 4 companies from 2025 to 2025. The largest total came from Collegium Pharmaceutical, Inc.
How long has William Hartley Blakeslee III been practicing?
William Blakeslee graduated from medical school in 2007, 19 years ago.
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