Doctor profile · Federal record

Dr. Mary Obrien, RN MSN CNM

Advanced Practice Midwife (CMS: Certified Nurse Midwife (CNM)) · Holyoke, MA

  • NPI 1083614994
  • Accepts Medicare
  • MIPS 89.0 / 100 · 2023
  • 41 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
230 Maple Street, Suite 200 Midwifery Care of Holyoke
Holyoke, MA 010406513
(413) 535-4700
fax (413) 535-4704
Mailing address
260 New Ludlow RD
Chicopee, MA 010204324

Credentials & registration

NPPES · NUCC
NPI registered
July 2005 — 21 yrs on file
Profile last updated
July 6, 2016
Year of graduation
1985 — 41 yrs since
Specialty taxonomy
367A00000X — NUCC code
State license (1)
Massachusetts #188081

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1083614994. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
50
Distinct HCPCS
3
Medicare allowed
$1,754
HCPCS Description Services Patients Avg allowed
G0101 Cervical or vaginal cancer screening; pelvic and clinical breast examination 22 22 $28
Q0091 Screening papanicolaou smear; obtaining, preparing and conveyance of cervical or vaginal smear to laboratory 15 15 $18
99213 Established patient office or other outpatient visit, 20-29 minutes 13 11 $67

In context: peer comparison

Among 1 peers in Holyoke Advanced Practice Midwife, average services per provider: 16. This provider delivers 3.1× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
39
Patients
27
Total drug cost
$452
Drug Type Claims Patients Total cost
Fluconazole Generic 26 15 $206
Metronidazole Generic 13 12 $246

Frequently asked questions

Auto-generated from federal data
What is Dr. Mary Obrien's medical specialty?
Dr. Mary Obrien practices Advanced Practice Midwife in Holyoke, MA.
Where does Dr. Mary Obrien practice?
Dr. Mary Obrien practices at 230 Maple Street, Holyoke, MA 010406513. Office phone: 4135354700.
What is Dr. Mary Obrien's NPI?
Dr. Mary Obrien's National Provider Identifier (NPI) is 1083614994, issued by NPPES.
Does Dr. Mary Obrien accept Medicare assignment?
Yes. Dr. Mary Obrien accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Mary Obrien commonly perform?
Top Medicare-reported procedures in 2023: Cervical or vaginal cancer screening; pelvic and clinical breast examination (HCPCS G0101); Screening papanicolaou smear; obtaining, preparing and conveyance of cervical or vaginal smear to laboratory (HCPCS Q0091); Established patient office or other outpatient visit (HCPCS 99213). Source: CMS Medicare Physician & Other Practitioners file.