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DR. MARK R. LOONEY MD
NPI 1386692721
Internal Medicine in San Francisco, CA

Active since May 05, 2006PECOS EnrolledAccepts Medicare Assignment
513 PARNASSUS AVE, SAN FRANCISCO, CA 94143(415) 353-1116(415) 353-1990 Get Directions Write a Review

NPPES record last updated: July 30, 2008. Verified against the NPPES registry weekly; last sync: August 30, 2026.

About Dr. Mark R. Looney Md NPPES

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

DR. MARK R. LOONEY MD (NPI 1386692721) is an individual internal medicine provider in San Francisco, California, licensed in California (A69928) and active in the NPI registry since May 2006. He is enrolled in Medicare PECOS and is a graduate of University Of Tennessee, Hsc, College Of Medicine (1998).

NPPES Registry Identity

NPI1386692721
Entity TypeIndividualMale
Primary Taxonomy207R00000X
Provider Legal NameDR. MARK R. LOONEYCredential: MD
Location Address513 PARNASSUS AVESan Francisco, CA 94143-2205
Mailing Address1635 Divisadero Street, Suite 625, Box 1821San Francisco, CA 94143-0001
Phone(415) 353-1116
Fax(415) 353-1990
Sole ProprietorNo
Medical School CMSUniversity Of Tennessee, Hsc, College Of MedicineGraduated 1998
Enumeration DateMay 5, 2006
Last NPPES UpdateJuly 30, 2008
✔ NPI 1386692721 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
License✔ Licensed in CA · A69928
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.
513 PARNASSUS AVE, San Francisco, CA 94143
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Other Identifiers 3

Medicaid00A699280CA
Medicare PIN00A699280CA
Medicare UPINH14378CA

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. Mark R. Looney 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 ID1658335872
PECOS Enrollment IDI20041117000780
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 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.

Critical care, first 30-74 minutes 99291
Critical care involves immediate and constant attention by a team of specially-trained health professionals. It's for patients with life-threatening conditions, requiring first 30-74 minutes of intense monitoring and treatment.
78 services39 patients
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.
18 services14 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.
17 services16 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.
16 services13 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.
15 services15 patients
Insertion of artery tube for blood sampling or infusion through skin 36620
This procedure involves placing a small tube into an artery, usually in the wrist or elbow, to collect blood samples or administer medication. It's done under local anesthesia and is a common, safe practice.
12 services12 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 94143 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
$153.83 typical visit price
range $69.00 – $202.35
Typical copayment $38.45 (range $17.25 – $50.58)
Most-billed visit code 99204
Established Patient
$119.48 typical visit price
range $23.44 – $166.46
Typical copayment $29.87 (range $5.86 – $41.61)
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.

DR. ELLIOTT SCOTT SEELEY M.D., PH.D.
Pathology (Molecular Genetic Pathology)
513 PARNASSUS AVE, HSW4, SUITE 450A
SAN FRANCISCO, CA 94143
San Francisco County (415) 514-0738
DR. LAURA WONG M.D./PH.D.
Plastic Surgery
513 PARNASSUS AVE, S-321
SAN FRANCISCO, CA 94143
San Francisco County (415) 476-1239
ALAN ZAMBELI-LJEPOVIC
Surgery
513 PARNASSUS AVE
SAN FRANCISCO, CA 94143
San Francisco County (415) 476-1239
UCSF MEDICAL CENTER
General Acute Care Hospital
513 PARNASSUS AVE, BOX 0427
SAN FRANCISCO, CA 94143
San Francisco County (415) 476-3235
WILLIAM MCKLEROY M.D
Internal Medicine (Pulmonary Disease)
513 PARNASSUS AVE, HSE1314
SAN FRANCISCO, CA 94143
San Francisco County (415) 476-0735
MS. MELICENT CLARE PECK M.D., PHD
Internal Medicine (Infectious Disease)
513 PARNASSUS AVE, S-380, BOX 0654
SAN FRANCISCO, CA 94143
San Francisco County (415) 476-9362
DR. SCOTT R. VANDENBERG MD
Pathology (Neuropathology)
513 PARNASSUS AVE
SAN FRANCISCO, CA 94143
San Francisco County (415) 502-7796
DR. CHEIKH NJIE MD
Internal Medicine (Gastroenterology)
513 PARNASSUS AVE
SAN FRANCISCO, CA 94143
San Francisco County (415) 502-4444

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 Mark Looney's NPI number?

The NPI number for Mark Looney is 1386692721. It was assigned to this individual provider in the NPPES registry on May 5, 2006.

Where is Mark Looney located?

Mark Looney practices at 513 Parnassus Ave, San Francisco, CA 94143. The listed phone number is (415) 353-1116.

What is Mark Looney's specialty?

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

Is Mark Looney enrolled in Medicare?

Yes. Mark Looney 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.

When was this NPI record last updated?

The NPPES record for Mark Looney was last updated on July 30, 2008. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 18 years 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.