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Table 3 Density of advanced practice midwives per 1,000 live births per state as measured by AMCB certification records August 2022, NPI August 2022 Datafile original taxonomy and NPI Datafile recodea

From: Evaluation of a method to identify midwives in national provider identifier data

State

AMCB Midwivesb

NPI Original Taxonomyc

NPI Recoded

Alabama

1.06

0.50

0.66

Alaska

12.25

8.03

9.50

Arizona

3.70

2.64

2.94

Arkansas

1.28

0.82

1.02

California

2.94

1.85

2.30

Colorado

7.90

5.69

6.78

Connecticut

6.72

5.68

6.52

Delaware

4.43

2.98

3.66

District of Columbia

6.20

7.32

6.31

Florida

4.00

2.88

3.32

Georgia

4.87

3.54

4.32

Hawaii

3.61

2.47

2.91

Idaho

3.90

2.60

3.44

Illinois

3.77

3.03

3.46

Indiana

2.71

2.38

2.57

Iowa

3.68

3.10

3.49

Kansas

2.71

1.75

1.95

Kentucky

2.59

2.01

2.09

Louisiana

1.29

0.66

0.82

Maine

9.79

7.54

10.92

Maryland

4.90

3.78

4.65

Massachusetts

6.82

5.66

7.32

Michigan

4.71

3.45

4.11

Minnesota

6.29

4.67

5.52

Mississippi

0.90

0.79

1.21

Missouri

1.91

1.26

1.57

Montana

5.19

4.82

6.02

Nebraska

2.35

1.65

2.10

Nevada

1.75

1.37

1.72

New Hampshire

9.92

9.07

9.33

New Jersey

3.33

2.38

2.98

New Mexico

9.59

7.67

10.59

New York

5.06

3.14

4.88

North Carolina

4.39

3.32

3.92

North Dakota

2.19

2.58

2.19

Ohio

3.72

2.59

3.22

Oklahoma

1.64

1.18

1.36

Oregon

9.52

7.51

8.81

Pennsylvania

4.21

2.83

3.83

Rhode Island

8.22

5.74

7.13

South Carolina

2.53

1.80

1.83

South Dakota

3.83

2.83

4.20

Tennessee

3.88

2.63

2.96

Texas

1.58

1.30

1.46

Utah

4.07

2.82

3.70

Vermont

18.51

12.66

15.20

Virginia

3.94

2.43

2.83

Washington

5.80

3.98

4.31

West Virginia

4.16

2.54

3.64

Wisconsin

4.32

3.12

3.70

Wyoming

4.24

2.94

3.26

  1. aDensity of advanced practice midwives per state calculated with 2020 birth certificate records counts of live births
  2. bAMCB – The American Midwifery Certification Board certifies advanced practice midwives (certified nurse-midwives and certified midwives). Data from the August 2022 report of count of midwives
  3. cData Source NPEES Data Dissemination Full Replacement Monthly NPI File for August 7, 2022. Taxonomy refers to midwives registered for NPI numbers using taxonomy code 367A00000X, Advanced Practice Midwife
  4. dRecode refers to midwives identified as advanced practice midwives using taxonomy code and credentials text