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

DR. DAVID D KELLER D.O
NPI 1861448201
Family Medicine in Portland, ME

Active since May 26, 2006PECOS EnrolledAccepts Medicare Assignment
1250 FOREST AVE, PORTLAND, ME 04103(207) 347-3164(207) 878-5043 Get Directions Write a Review

NPPES record last updated: July 13, 2026. Verified against the NPPES registry weekly; last sync: August 23, 2026.

About Dr. David D Keller D.o NPPES

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

DR. DAVID D KELLER D.O (NPI 1861448201) is an individual family medicine provider in Portland, Maine, licensed in Maine (1819) and active in the NPI registry since May 2006. He is enrolled in Medicare PECOS, is affiliated with Maine Medical Center, and is a graduate of Philadelphia College Of Osteopathic Medicine (2002).

NPPES Registry Identity

NPI1861448201
Entity TypeIndividualMale
Primary Taxonomy207Q00000X
Provider Legal NameDR. DAVID D KELLERCredential: D.O
Location Address1250 FOREST AVEPortland, ME 04103-1884
Mailing Address1250 Forest AvePortland, ME 04103-1884 · (207) 347-3164 · Fax (207) 878-5043
Fax(207) 878-5043
Sole ProprietorNo
Medical School CMSPhiladelphia College Of Osteopathic MedicineGraduated 2002
Enumeration DateMay 26, 2006
Last NPPES UpdateJuly 13, 2026
NPI 1861448201 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyFamily MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207Q00000X
License Licensed in ME · 1819
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.
1250 FOREST AVE, Portland, ME 04103

Accepted Insurance

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

Enrolled in Medicare and accepts Medicare assignment

Dr. David D Keller D.o 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 ID9032112446
PECOS Enrollment IDI20060824000065
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.

Areas of Expertise CMS Part B claims 5

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.

Osteopathic manipulative treatment, 9-10 body regions 98929
Osteopathic Manipulative Treatment (OMT) involves hands-on care. In a 9-10 body regions procedure, a doctor manipulates muscles and joints using techniques like stretching, gentle pressure, and resistance to improve health and wellness. It's often used to ease pain, promote healing, and increase overall mobility.
140 services109 patients
Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 99222
Initial hospital inpatient care is a service where a healthcare provider spends about 50 minutes per day overseeing your care while you're admitted in the hospital. This includes reviewing your health status, planning your treatment, and ensuring your safety and comfort.
85 services82 patients
Osteopathic manipulative treatment, 9-10 body regions 98929
Osteopathic Manipulative Treatment (OMT) involves hands-on care. In a 9-10 body regions procedure, a doctor manipulates muscles and joints using techniques like stretching, gentle pressure, and resistance to improve health and wellness. It's often used to ease pain, promote healing, and increase overall mobility.
70 services14 patients
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.
61 services11 patients
Subsequent hospital care with straightforward or low level of medical decision making, per day, if using time, at least 25 minutes 99231
Follow-up hospital inpatient care is a daily service where a healthcare professional checks on your health progress during your hospital stay. Each session typically lasts 15 minutes, involving updates on your condition and adjustments to your treatment plan, if necessary.
59 services41 patients

Hospital Affiliations CMS Care Compare

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

Maine Medical Center

Acute Care Hospitals · Portland, ME
5/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number200009
Location22 Bramhall StPortland, ME 04102 · Cumberland County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 04103 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
$86.72 typical visit price
range $56.28 – $169.96
Typical copayment $21.68 (range $14.07 – $42.49)
Most-billed visit code 99203
Established Patient
$99.18 typical visit price
range $18.22 – $138.92
Typical copayment $24.79 (range $4.55 – $34.73)
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.

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.

Internal Medicine
1250 FOREST AVE
PORTLAND, ME 04103
Counselor (Addiction (Substance Use Disorder))
1250 FOREST AVE
PORTLAND, ME 04103
Audiologist
1250 FOREST AVE, SUITE 301
PORTLAND, ME 04103
Clinic/Center (Adult Mental Health)
1250 FOREST AVE, PORTLAND WELLNESS COOPERATIVE, UNIT 14, SUITE 7
PORTLAND, ME 04103
Counselor (Mental Health)
1250 FOREST AVE, SUITE 201
PORTLAND, ME 04103
Physician Assistant (Surgical)
1250 FOREST AVE
PORTLAND, ME 04103
Otolaryngology (Otolaryngology/Facial Plastic Surgery)
1250 FOREST AVE, SUITE 301
PORTLAND, ME 04103
Nurse Practitioner (Family)
1250 FOREST AVE, SUITE 301
PORTLAND, ME 04103

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 David Keller's NPI number?

The NPI number for David Keller is 1861448201. It was assigned to this individual provider in the NPPES registry on May 26, 2006.

Where is David Keller located?

David Keller practices at 1250 Forest Ave, Portland, ME 04103. The listed phone number is (207) 347-3164.

What is David Keller's specialty?

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

Is David Keller enrolled in Medicare?

Yes. David Keller 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.

What insurance does David Keller accept?

Health plans from Anthem Blue Cross and Blue Shield and Harvard Pilgrim Health Care list David Keller 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 David Keller affiliated with any hospitals?

According to CMS data, David Keller is affiliated with Maine Medical Center.

When was this NPI record last updated?

The NPPES record for David Keller was last updated on July 13, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 47 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.