ADAM J KNUDSON M.D.
NPI 1225455389
Internal Medicine in Washington, DC

Q: What is Adam Knudson's NPI number?

The NPI number for Adam Knudson is 1225455389. It was assigned to this individual provider in the NPPES registry on March 26, 2014.

Q: What is Adam Knudson's specialty?

The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.

Q: When was this NPI record last updated?

The NPPES record for Adam Knudson was last updated on January 6, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 19 months 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.

Active since March 26, 2014PECOS EnrolledAccepts Medicare Assignment

5255 LOUGHBORO RD NW, WASHINGTON, DC 20016(202) 537-4560(202) 537-4006 Get Directions Write a Review

NPPES record last updated: January 6, 2025. Verified against the NPPES registry weekly; last sync: August 30, 2026.

Record update history: Jan 6, 2025, Jul 16, 2019, Jul 17, 2018 (3 updates tracked since 2018).

On this page

About Adam J Knudson M.d. NPPES

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

ADAM J KNUDSON M.D. (NPI 1225455389) is an individual internal medicine provider in Washington, District Of Columbia, licensed in District Of Columbia (MD500002502) and active in the NPI registry since March 2014. He is enrolled in Medicare PECOS, maintains 2 additional practice locations, and is a graduate of Georgetown University School Of Medicine (2014).

NPPES Registry Identity

NPI1225455389

Entity TypeIndividualMale

Primary Taxonomy207R00000X

Provider Legal NameADAM J KNUDSONCredential: M.D.

Location Address5255 LOUGHBORO RD NWWashington, DC 20016-2633

Mailing Address6201 Greenleigh AveBaltimore, MD 21220-2004 · (410) 933-6423 · Fax (410) 500-4266

Phone(202) 537-4560

Fax(202) 537-4006

Sole ProprietorNo

Medical School CMSGeorgetown University School Of MedicineGraduated 2014

Enumeration DateMarch 26, 2014

Last NPPES UpdateJanuary 6, 20253 updates tracked since enumeration

NPPES CertifiedJanuary 6, 2025

✔ NPI 1225455389 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians

Taxonomy Code207R00000X

Licenses✔ Licensed in DC · MD500002502✔ Licensed in PA · MD464150

Definition

A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.

5255 LOUGHBORO RD NW, Washington, DC 20016

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Secondary Practice Locations 2

Location 14320 Seminary RdAlexandria, VA 22304 · Phone (703) 504-3000

Location 2200 Lothrop St Ste 9SPittsburgh, PA 15213 · Phone (412) 692-4888

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

Adam J Knudson M.d. 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 ID8123374972

PECOS Enrollment IDI20200407001322

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.

Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 99233

Follow-up hospital inpatient care per day typically involves a 35-minute check-up by your healthcare provider. This service includes monitoring your health progress, adjusting your treatment plan if needed, and answering any questions you may have about your condition or care.

108 services48 patients

Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 99232

Follow-up hospital inpatient care involves daily check-ups while you're admitted in the hospital. Typically, a healthcare provider spends about 25 minutes each day reviewing your condition, adjusting treatment if needed, and answering any questions you might have.

96 services48 patients

Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 99223

Initial hospital inpatient care per day, typically 70 minutes, refers to the daily medical service provided to patients admitted to the hospital. This includes a comprehensive evaluation, diagnosis, treatment plan, and monitoring of your health condition. It ensures your well-being during your hospital stay.

80 services71 patients

Advance care planning, first 30 minutes 99497

Advance care planning is a process where you discuss your healthcare preferences with your doctor. This conversation, lasting up to 30 minutes, helps ensure your wishes are respected if you're unable to communicate them in the future. It's about your care, your way.

76 services60 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.

41 services39 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 20016 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

$147.85 typical visit price

range $65.18 – $194.86

Typical copayment $36.96 (range $16.29 – $48.71)

Most-billed visit code 99204

Established Patient

$113.72 typical visit price

range $21.40 – $158.88

Typical copayment $28.43 (range $5.35 – $39.72)

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.

DANIEL RICHARD STAIRIKER CRNP

Nurse Practitioner