Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

ADAM CHARLTON MCMAHAN MD
NPI 1790071959
Family Medicine in Anchorage, AK

Active since June 24, 2011PECOS EnrolledAccepts Medicare Assignment
1201 E 36TH AVE, ANCHORAGE, AK 99508(907) 562-9229 Get Directions Write a Review

NPPES record last updated: September 20, 2026. Verified against the NPPES registry weekly; last sync: November 08, 2026.

Record update history: Sep 20, 2026, Mar 24, 2026, Jan 19, 2026 (3 updates tracked since 2026).

About Adam Charlton Mcmahan Md NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

ADAM CHARLTON MCMAHAN MD (NPI 1790071959) is an individual family medicine provider in Anchorage, Alaska, licensed in Alaska (6062) and active in the NPI registry since June 2011. He is enrolled in Medicare PECOS, is affiliated with North Hawaii Community Hospital, Inc, and is a graduate of University Of Kentucky College Of Medicine (2011).

NPPES Registry Identity

NPI1790071959
Entity TypeIndividualMale
Primary Taxonomy207Q00000X
Provider Legal NameADAM CHARLTON MCMAHANCredential: MD
Location Address1201 E 36TH AVEAnchorage, AK 99508-4372
Mailing Address3760 Piper St, Suite 1060Anchorage, AK 99508-4665 · (907) 212-6522 · Fax (907) 212-6593
Sole ProprietorNo
Medical School CMSUniversity Of Kentucky College Of MedicineGraduated 2011
Enumeration DateJune 24, 2011
Last NPPES UpdateSeptember 20, 20263 updates tracked since enumeration
NPPES CertifiedSeptember 20, 2026
✔ NPI 1790071959 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyFamily MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207Q00000X
License✔ Licensed in AK · 6062
Definition
Family Medicine is the medical specialty which is concerned with the total health care of the individual and the family. It is the specialty in breadth which integrates the biological, clinical, and behavioral sciences. The scope of family medicine is not limited by age, sex, organ system, or disease entity.
Also ListedEmergency MedicineTaxonomy 207P00000X · License MD-22217 (HI)
1201 E 36TH AVE, Anchorage, AK 99508

Other Identifiers 1

MedicaidMD9639AK

Accepted Insurance

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Adam Charlton Mcmahan Md is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID840444212
PECOS Enrollment IDI20151208002640, I20240725001254, I20260210001755
Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Billing Reassignments

6

Medicare enrollment records show Adam Mcmahan reassigns Medicare billing to 6 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Clinic/Center
712 OCEAN CAPE ROAD
Yakutat, AK 99689
  • Reassigned Medicare billing, Texas enrollment
  • 640 clinicians in this Medicare group
Geriatric Medicine
401 WARREN ST STE 300
Redwood City, CA 94063
  • Reassigned Medicare billing, California, Colorado and New York enrollments
  • 21 clinicians in this Medicare group
Emergency Medicine
407 ULUNIU ST, 4TH FLOOR
Kailua, HI 96734
  • Reassigned Medicare billing, Hawaii enrollment
  • 206 clinicians in this Medicare group
Internal Medicine
407 ULUNIU ST FL 4
Kailua, HI 96734
  • Reassigned Medicare billing, Hawaii enrollment
  • 33 clinicians in this Medicare group
Critical Access
45-547 PLUMERIA ST
Honokaa, HI 96727
  • Reassigned Medicare billing, Hawaii enrollment
  • 45 clinicians in this Medicare group
2,910 mi
Critical Access
1 KAMANI STREET
Pahala, HI 96777
  • Reassigned Medicare billing, Hawaii enrollment
  • 208 clinicians in this Medicare group

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Areas of Expertise CMS Part B claims 6

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more 99213
This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.
326 services158 patients
Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214
This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.
209 services126 patients
Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more 99215
This service involves a follow-up appointment for existing patients, lasting between 40 to 54 minutes. During this time, your healthcare provider will assess your current health status, discuss any changes or concerns, review your treatment plan, and answer any questions you may have.
32 services26 patients
Screening 3d breast mammography 77063
Screening 3D breast mammography is a procedure that uses low-dose X-rays to create detailed images of the breast. This allows for early detection of any unusual changes or growths. It's a non-invasive, outpatient procedure that typically takes about 30 minutes.
17 services17 patients
Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more 99212
This is a routine check-up for patients who have previously seen the doctor. During this 10-19 minute visit, the doctor will review your health status, discuss any concerns, and manage ongoing treatments or medications. It's a chance to ensure your health is on track.
13 services13 patients
Screening mammography 77067
Screening mammography is a preventative measure that uses low-dose X-rays to take images of the chest area. It's a key tool in early detection of abnormalities, helping to identify issues before they become symptomatic. It is recommended annually for certain age groups.
12 services12 patients

Hospital Affiliations CMS Care Compare 2

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

North Hawaii Community Hospital, Inc

Acute Care Hospitals · Kamuela, HI
2/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number120028
Location67 1125 Mamalahoa HighwayKamuela, HI 96743 · Hawaii County
Emergency services Birthing friendly

Kohala Hospital

Critical Access Hospitals · Kapaau, HI
OwnershipGovernment - State
CMS Certification Number121302
Location54-383 Hospital RoadKapaau, HI 96755 · Hawaii County
Emergency services

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 99508 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$111.57 typical visit price
range $71.33 – $222.64
Typical copayment $27.89 (range $17.83 – $55.66)
Most-billed visit code 99203
Established Patient
$128.73 typical visit price
range $21.84 – $181.48
Typical copayment $32.18 (range $5.46 – $45.37)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Referred Medical Equipment & Supplies CMS DME claims

Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.

Supply allowance for therapeutic continuous glucose monitor (cgm), includes all supplies and accessories, 1 month supply = 1 unit of service K0553
DME-Other DME · category DE017N
3 suppliers41 claims43 services$184.96 avg. paid by Medicare
Dollar amounts are the average Medicare paid the supplier per service. They are not the cost to the patient.

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

Psychologist
1201 E 36TH AVE
ANCHORAGE, AK 99508
Family Medicine
1201 E 36TH AVE
ANCHORAGE, AK 99508
Family Medicine
1201 E 36TH AVE
ANCHORAGE, AK 99508
Family Medicine
1201 E 36TH AVE
ANCHORAGE, AK 99508
Family Medicine
1201 E 36TH AVE
ANCHORAGE, AK 99508
Family Medicine
1201 E 36TH AVE
ANCHORAGE, AK 99508
Family Medicine
1201 E 36TH AVE
ANCHORAGE, AK 99508
Family Medicine
1201 E 36TH AVE
ANCHORAGE, AK 99508

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Adam Mcmahan's NPI number?

The NPI number for Adam Mcmahan is 1790071959. It was assigned to this individual provider in the NPPES registry on June 24, 2011.

Where is Adam Mcmahan located?

Adam Mcmahan practices at 1201 E 36th Ave, Anchorage, AK 99508. The listed phone number is (907) 562-9229.

What is Adam Mcmahan's specialty?

The primary specialty registered for this NPI is Family Medicine with taxonomy code 207Q00000X.

Is Adam Mcmahan enrolled in Medicare?

Yes. Adam Mcmahan is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

Which organizations bill Medicare for Adam Mcmahan's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Adam Mcmahan reassigns Medicare benefits to 6 organizations: Southeast Alaska Regional Health Consortium (Yakutat, AK), Solace Health Medical Group Inc (Redwood City, CA), Hawaii Emergency Physicians Associated Inc (Kailua, HI), Midpacific Hospitalists LLC (Kailua, HI), Honokaa Hospital & Skilled Nursing (Honokaa, HI) and 1 more organization, listed in the Medicare section above. Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Adam Mcmahan's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Adam Mcmahan accept?

Health plans from HMSA, Moda Health Plan, Inc. and Premera Blue Cross Blue Shield of Alaska list Adam Mcmahan as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

Is Adam Mcmahan affiliated with any hospitals?

According to CMS data, Adam Mcmahan is affiliated with North Hawaii Community Hospital, Inc and Kohala Hospital.

When was this NPI record last updated?

The NPPES record for Adam Mcmahan was last updated on September 20, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 56 days ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.