Mary Ackenbom, MD
NPI 1245559848 · Obstetrics & Gynecology Physician · Ann Arbor, MI
Enrolled with Medicare as Practitioner - Obstetrics/Gynecology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Mary Ackenbom, MD is a Obstetrics & Gynecology Physician provider in Ann Arbor, MI (NPI 1245559848).
Provider details
- NPI number
- 1245559848
- Entity type
- Individual
- Primary specialty
- Obstetrics & Gynecology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- No
- License
- MD451279 (PA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
- Urogynecology and Reconstructive Pelvic Surgery (Obstetrics & Gynecology) Physician207VF0040XLicense MD451279 (PA)
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
16 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
2 documented practice locations
- Medicare service volume (vs. specialty peers)28% of score
193 Medicare services, 2024 (ranked within specialty)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Pelvic Exam99459 | 47 | $21 |
| Established Patient Office Or Other Outpatient Visit With High Level of Medical Decision Making, If Using Time, 40 Minutes Or More99215 | 25 | $171 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 24 | $121 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 23 | $84 |
| Urinalysis, Manual Test81002 | 20 | $3 |
| Established Patient Office Or Other Outpatient Visit With High Level of Medical Decision Making, If Using Time, 40 Minutes Or More99215 | 19 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 9 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Estradiol | 101 | 66 |
| Mirabegronbrand: Myrbetriq | 100 | 32 |
| Vibegronbrand: Gemtesa | 35 | 14 |
| Methenamine Hippurate | 32 | — |
| Mirabegronbrand: Mirabegron Er | 31 | 11 |
| Clobetasol Propionate | 28 | 13 |
| Nitrofurantoin Monohyd/M-Crystbrand: Nitrofurantoin Mono-Macro | 24 | 22 |
Practice location
Mailing address
Additional practice locations (1)
- 300 Halket StSuite 5600Pittsburgh, PA 15213-3108Phone: (412) 641-7850
Registry dates
- Enumerated
- 2010-05-21
- Last updated
- 2026-01-30
- Certified
- 2026-01-30
Frequently asked questions
- What is Mary Ackenbom's NPI number?
- Mary Ackenbom's National Provider Identifier (NPI) is 1245559848, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mary Ackenbom's specialty?
- Mary Ackenbom is listed in the NPPES registry with a primary specialty of Obstetrics & Gynecology Physician (Allopathic & Osteopathic Physicians).
- Where is Mary Ackenbom located?
- Mary Ackenbom's practice location on file with NPPES is 1500 E Medical Center Dr, Ann Arbor, MI 48109-5000.
- What is Mary Ackenbom's phone number?
- The practice phone number listed in the NPPES registry for Mary Ackenbom is (734) 936-5000.
- Does Mary Ackenbom accept Medicare?
- Mary Ackenbom is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Mary Ackenbom's NPI active?
- Yes — Mary Ackenbom's NPI (1245559848) is active in the NPPES registry as of the last update on 2026-01-30.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.