Abby Markham, MD
NPI 1164718540 · Pediatrics Physician · Portland, ME
Enrolled with Medicare as Practitioner - Pediatric Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Abby Markham, MD is a Pediatrics Physician provider in Portland, ME (NPI 1164718540).
Provider details
- NPI number
- 1164718540
- Entity type
- Individual
- Primary specialty
- Pediatrics PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- No
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Student, Health Care
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
14 yrs in NPPES registry
- Profile completeness38% of score
83% of core fields populated
- Practice footprint23% of score
1 documented practice location
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.
Practice location
Mailing address
Registry dates
- Enumerated
- 2011-06-23
- Last updated
- 2014-12-22
Frequently asked questions
- What is Abby Markham's NPI number?
- Abby Markham's National Provider Identifier (NPI) is 1164718540, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Abby Markham's specialty?
- Abby Markham is listed in the NPPES registry with a primary specialty of Pediatrics Physician (Allopathic & Osteopathic Physicians).
- Where is Abby Markham located?
- Abby Markham's practice location on file with NPPES is 22 Bramhall Street, Portland, ME 04103.
- What is Abby Markham's phone number?
- The practice phone number listed in the NPPES registry for Abby Markham is (207) 662-2541.
- Does Abby Markham accept Medicare?
- Abby Markham is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Abby Markham's NPI active?
- Yes — Abby Markham's NPI (1164718540) is active in the NPPES registry as of the last update on 2014-12-22.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.