PETER M ROSENBERG M.D.
NPI 1104890664
Internal Medicine - Gastroenterology in Pasadena, CA

Q: What is Peter Rosenberg's NPI number?

The NPI number for Peter Rosenberg is 1104890664. It was assigned to this individual provider in the NPPES registry on February 13, 2006.

Q: What is Peter Rosenberg's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Gastroenterology, with taxonomy code 207RG0100X.

Q: When was this NPI record last updated?

The NPPES record for Peter Rosenberg was last updated on November 30, 2016. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 9 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.

Active since February 13, 2006PECOS EnrolledAccepts Medicare Assignment

100/100

CMS Quality Rating

50 ALESSANDRO PL, SUITE 410, PASADENA, CA 91105(626) 793-7114(818) 889-0408 Get Directions Write a Review

NPPES record last updated: November 30, 2016. Verified against the NPPES registry weekly; last sync: August 02, 2026.

On this page

About Peter M Rosenberg M.d. NPPES

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

PETER M ROSENBERG M.D. (NPI 1104890664) is an individual gastroenterology provider in Pasadena, California, licensed in California (G85196) and active in the NPI registry since February 2006. He is enrolled in Medicare PECOS and is a graduate of Harvard Medical School (1993).

NPPES Registry Identity

NPI1104890664

Entity TypeIndividualMale

Primary Taxonomy207RG0100X

Provider Legal NamePETER M ROSENBERGCredential: M.D.

Location Address50 ALESSANDRO PL, SUITE 410Pasadena, CA 91105-3149

Mailing Address50 Alessandro Pl, Suite 410Pasadena, CA 91105-3149 · (626) 793-7114 · Fax (818) 889-0408

Phone(626) 793-7114

Fax(818) 889-0408

Sole ProprietorNo

Medical School CMSHarvard Medical SchoolGraduated 1993

Enumeration DateFebruary 13, 2006

Last NPPES UpdateNovember 30, 2016

✔ NPI 1104890664 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal Medicine · GastroenterologyAllopathic & Osteopathic Physicians

Taxonomy Code207RG0100X

License✔ Licensed in CA · G85196

Definition

An internist who specializes in diagnosis and treatment of diseases of the digestive organs including the stomach, bowels, liver and gallbladder. This specialist treats conditions such as abdominal pain, ulcers, diarrhea, cancer and jaundice and performs complex diagnostic and therapeutic procedures using endoscopes to visualize internal organs.

50 ALESSANDRO PL, Pasadena, CA 91105

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Other Identifiers 1

Medicare UPING94470CA

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

Peter M Rosenberg 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 ID7012812670

PECOS Enrollment IDI20031205000363

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 18

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.

Chronic care management services for two or more chronic conditions, additional 20 minutes of clinical staff time directed by health care professional, per calendar month 99439

Chronic Care Management services involve regular check-ins with healthcare professionals to manage two or more chronic conditions. It includes an additional 20 minutes of clinical staff time per month, directed by a healthcare professional, to ensure optimal health management.

393 services45 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.

232 services147 patients

Chronic care management services, first 20 minutes of clinical staff time directed by health care professional, per calendar month 99490

Chronic care management services involve a healthcare professional directing clinical staff in managing your chronic conditions. This includes the first 20 minutes per month of services like medication management, care coordination, and health monitoring to help improve your health and quality of life.

231 services45 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.

92 services54 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.

80 services70 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.

78 services77 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.

67 services53 patients

Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope 43239

This procedure involves using a thin, flexible tube with a light and camera, known as an endoscope, to examine the esophagus, stomach, and upper part of the small intestine. Small tissue samples are taken for further examination to help diagnose various conditions.

58 services58 patients

Removal of polyps or growths of large bowel using an endoscope with mechanical snare 45385

This procedure involves using a thin, flexible tube called an endoscope to examine the large bowel. If any abnormal growths or polyps are found, a tool called a mechanical snare is used to remove them. This is a common method to prevent potential health issues.

53 services53 patients

Biopsy of large bowel using a flexible endoscope 45380

A biopsy of the large bowel using a flexible endoscope is a procedure where a thin, flexible tube with a camera is inserted through the rectum to examine the bowel. If abnormal tissue is found, a small sample is taken for further examination. This helps in diagnosing conditions like inflammation, polyps, or cancer.

40 services40 patients

Moderate sedation services provided by the same physician or other qualified health care professional performing a gastrointestinal endoscopic service that sedation supports, requiring the presence of an independent trained observer to assist in the monito G0500

Moderate sedation is a method where a physician uses medication to help you relax during a gastrointestinal endoscopy. An independent trained observer will be present to monitor your vital signs and ensure your safety throughout the procedure. It's a common and safe practice.

39 services39 patients

Telephone medical discussion with physician, 5-10 minutes 99441

A telephone medical discussion with a physician is a brief, 5-10 minute call where you can discuss your health concerns. It's a convenient way to receive medical advice without needing to visit a clinic. It's important to prepare questions in advance to make the most of this time.

26 services22 patients

Telephone medical discussion with physician, 11-20 minutes 99442

This is a service where you have a phone conversation with your doctor for 11-20 minutes. It's used for discussing health concerns, reviewing test results, or managing ongoing conditions. It's a convenient way to receive medical advice without an in-person visit.

26 services22 patients

Colorectal cancer screening; colonoscopy on individual at high risk G0105

Colorectal cancer screening, specifically a colonoscopy, is a preventive measure for those at high risk. A thin, flexible tube with a camera inspects the colon to spot any abnormal growths. This test helps detect potential issues early, enhancing the effectiveness of treatment.

26 services26 patients

Diagnostic exam of esophagus, stomach, and/or upper small bowel using a flexible endoscope 43235

This procedure, known as an upper endoscopy, involves inserting a thin, flexible tube with a camera down the throat to examine the esophagus, stomach, and upper small bowel. It helps diagnose conditions like ulcers or inflammation.

24 services23 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.

18 services16 patients

Colorectal cancer screening; colonoscopy on individual not meeting criteria for high risk G0121

Colorectal cancer screening, such as a colonoscopy, is a preventive measure to detect early signs of cancer in the large intestine. For individuals not at high risk, it's typically recommended at age 50. A small, flexible tube with a camera is used to examine your colon. It's a safe, effective way to catch issues early.

18 services18 patients

New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more 99204

This is a first-time office or outpatient visit lasting between 45-59 minutes. The healthcare provider evaluates your health, discusses your medical history, and may suggest further tests or treatments. It's an opportunity to ask questions and understand your health better.

15 services15 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 91105 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

$142.39 typical visit price

range $62.96 – $187.60

Typical copayment $35.59 (range $15.74 – $46.90)

Most-billed visit code 99204

Established Patient

$109.96 typical visit price

range $20.84 – $153.61

Typical copayment $27.49 (range $5.21 – $38.40)

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.

Medicare Quality Performance CMS QPP · MIPS

Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.

100/100

MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program

Individually scored

Promoting Interoperability

100

Improvement Activities

Reported Quality Measures

e-Prescribing

100%174 patients5/55-star benchmark: 100%

Provide Patients Electronic Access to Their Health Information

99%202 patients4/55-star benchmark: 100%

Providers report different measures because they deliver different services; reporting more or less information is not a reflection of quality. Star ratings appear only where CMS assigned them.

Referred Medical Equipment & Supplies CMS DME claims 2

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

Enteral feeding supply kit; syringe fed, per day, includes but not limited to feeding/flushing syringe, administration set tubing, dressings, tape B4034

Other-Enteral and Parenteral · category OB006N

2 suppliers11 claims330 services$2.64 avg. paid by Medicare

Enteral formula, nutritionally complete with intact nutrients, includes proteins, fats, carbohydrates, vitamins and minerals, may include fiber, administered through an enteral feeding tube, 100 calories = 1 unit B4150

Other-Enteral and Parenteral · category OB006N

2 suppliers12 claims6,710 services$0.30 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.

ANDREW COTHAM PHYSICAL THERAPY P.C.

Clinic/Center (Physical Therapy)

50 ALESSANDRO PL, SUITE A40
PASADENA, CA 91105

Los Angeles County (323) 401-1935

MS. KIMBERLY ANNE SHRINER MD

Internal Medicine (Infectious Disease)

50 ALESSANDRO PL, SUITE 360
PASADENA, CA 91105

Los Angeles County (626) 793-6133

ANDREW COTHAM PT

Physical Therapist

50 ALESSANDRO PL, SUITE A40
PASADENA, CA 91105

Los Angeles County (323) 401-1935

HOLLY WANG MD INC

Pediatrics

50 ALESSANDRO PL, SUITE 200
PASADENA, CA 91105

Los Angeles County (626) 696-1234

DR. RICHARD EMERY NICKOWITZ MD

Internal Medicine (Gastroenterology)

50 ALESSANDRO PL, SUITE 410
PASADENA, CA 91105

Los Angeles County (626) 793-7114

KALMAN J EDELMAN M.D.

Internal Medicine (Gastroenterology)

50 ALESSANDRO PL, SUITE 410
PASADENA, CA 91105

Los Angeles County (626) 793-7114

BRIAN LUGO, M.D., MEDICAL CORP

Surgery (Surgical Critical Care)

50 ALESSANDRO PL, SUITE 340
PASADENA, CA 91105

Los Angeles County (626) 768-4415

PASADENA INFECTIOUS DISEASES AND TROPICAL MEDICINE INC

Internal Medicine (Infectious Disease)

50 ALESSANDRO PL, SUITE 360
PASADENA, CA 91105

Los Angeles County (626) 793-6133

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 Peter Rosenberg's NPI number?

The NPI number for Peter Rosenberg is 1104890664. It was assigned to this individual provider in the NPPES registry on February 13, 2006.

Where is Peter Rosenberg located?

Peter Rosenberg practices at 50 Alessandro Pl Suite 410, Pasadena, CA 91105. The listed phone number is (626) 793-7114.

What is Peter Rosenberg's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Gastroenterology, with taxonomy code 207RG0100X.

Is Peter Rosenberg enrolled in Medicare?

Yes. Peter Rosenberg 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 Peter Rosenberg was last updated on November 30, 2016. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 9 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.