Doctor profile · Federal record

Dr. William Blakeslee, William Blakeslee PA

Physician Assistant · Kalamazoo, MI

  • NPI 1306039490
  • Accepts Medicare
  • 19 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
601 John St, Box 74
Kalamazoo, MI 490075341
(269) 341-8481
fax (269) 341-7781

Credentials & registration

NPPES · NUCC
NPI registered
August 2007 — 19 yrs on file
Profile last updated
October 31, 2014
Year of graduation
2007 — 19 yrs since
Specialty taxonomy
363A00000X — NUCC code
State license (1)
Michigan #5601005112
Medicaid
MI #1306039490

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1306039490. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
1,287
Distinct HCPCS
7
Medicare allowed
$49,411
HCPCS Description Services Patients Avg allowed
99212 Established patient office or other outpatient visit, 10-19 minutes 454 197 $45
J1030 Injection, methylprednisolone acetate, 40 mg 376 73 $7
20553 Injection of trigger points, 3 or more muscles 243 65 $46
99213 Established patient office or other outpatient visit, 20-29 minutes 97 76 $73
20552 Injection of trigger points, 1-2 muscles 51 29 $42
64405 Injection of anesthetic agent and/or steroid into upper neck and back of head nerve 37 12 $89
99214 Established patient office or other outpatient visit, 30-39 minutes 29 27 $102

In context: peer comparison

Among 49 peers in Kalamazoo Physician Assistant, average services per provider: 59. This provider delivers 22× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$223
Transactions
12
Manufacturers
4
Payer (manufacturer) Industry Txns Amount
Collegium Pharmaceutical, INC. 8 $142.87
Pfizer INC. 2 $40.01
Abbvie INC. 1 $20.28
Boston Scientific Corporation 1 $20.05

By nature of payment

Food and Beverage
$223

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
1,982
Patients
358
Total drug cost
$142,915
Drug Type Claims Patients Total cost
Gabapentin Generic 387 95 $8,199
Hydrocodone-Acetaminophen (Hydrocodone/Acetaminophen) Brand 374 55 $6,841
Tramadol Hcl Generic 237 49 $2,252
Pregabalin Generic 172 37 $6,324
Oxycodone-Acetaminophen (Oxycodone Hcl/Acetaminophen) Brand 132 20 $2,517
Duloxetine Hcl Generic 108 32 $4,087
Morphine Sulfate ER (Morphine Sulfate) Brand 88 12 $3,071
Fentanyl Generic 83 13 $11,725
Methadone Hcl Generic 81 0 $1,503
Buprenorphine Generic 76 14 $24,761

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. William Blakeslee's medical specialty?
Dr. William Blakeslee practices Physician Assistant in Kalamazoo, MI.
Where does Dr. William Blakeslee practice?
Dr. William Blakeslee practices at 601 John St, Kalamazoo, MI 490075341. Office phone: 2693418481.
What is Dr. William Blakeslee's NPI?
Dr. William Blakeslee's National Provider Identifier (NPI) is 1306039490, issued by NPPES.
Does Dr. William Blakeslee accept Medicare assignment?
Yes. Dr. William Blakeslee accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. William Blakeslee commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99212); Injection, methylprednisolone acetate, 40 mg (HCPCS J1030); Injection of trigger points, 3 or more muscles (HCPCS 20553). Source: CMS Medicare Physician & Other Practitioners file.