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Edit this profileAt a glance
- 50 Alessandro Pl, Suite 410, Pasadena, CA 91105
About Dr. Rosenberg
Peter M. Rosenberg, M.D. practices gastroenterology in Pasadena, CA. Peter is a 1993 graduate of Harvard Medical School. According to Medicare claims data, Peter cared for 889 Medicare patients across 1,598 services. The services billed most often include 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, established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more, and chronic care management services, first 20 minutes of clinical staff time directed by health care professional, per calendar month. The provider's National Provider Identifier (NPI) is 1104890664.
Factual summary compiled by Guide.md from public records; not written by this provider.
Education & Training
Specialty
Credentials & Licensing
Medicare information
Exactly as CMS reports it (National Downloadable File, Opt-Out Affidavits, Order & Referring). Not an insurance directory; confirm coverage with the office.
Contact Information
- (626) 793-7114
- Email not available
Practice Locations
50 ALESSANDRO PL SUITE 410
Pasadena, CA 91105
Conditions Commonly Evaluated or Treated
Within Gastroenterology generally. Availability varies by clinician, training and location — this profile has not been claimed, so nothing here is a personal claim by the provider.
Conditions
Most searched conditions
- Acid reflux
- Celiac disease
- Crohn's disease
- Hemorrhoids
- IBS
- Swallowing difficulties
- Ulcerative colitis
Biliary and pancreas
Colon and anorectal
Esophagus and swallowing
Functional bowel and motility
Liver
- Ascites
- Autoimmune hepatitis
- Cirrhosis
- Fatty liver disease
- Hemochromatosis
- Hepatitis B
- Hepatitis C
- Portal hypertension
Stomach and duodenum
Bowel & Colon
Digestive Symptoms
Gallbladder & Bile Ducts
Procedures & services
Most searched procedures
Lower endoscopy
Upper endoscopy
Capsule and physiology testing
Diagnostic Testing
Liver procedures
Treatments
Procedures Most Often Billed to Medicare
1,598 services · 889 patients · 19 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope | Procedure | 43239 |
58 | As often as other peers in Gastroenterology |
| Removal of polyps or growths of large bowel using an endoscope with mechanical snare | Procedure | 45385 |
53 | As often as other peers in Gastroenterology |
| Biopsy of large bowel using a flexible endoscope | Procedure | 45380 |
40 | As often as other peers in Gastroenterology |
| Diagnostic exam of esophagus, stomach, and/or upper small bowel using a flexible endoscope | Procedure | 43235 |
24 | As often as other peers in Gastroenterology |
| 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 | Office visit | 99439 |
393 | More often than most peers in Gastroenterology |
| Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more | Office visit | 99213 |
232 | More than most peers in Gastroenterology |
| Chronic care management services, first 20 minutes of clinical staff time directed by health care professional, per calendar month | Office visit | 99490 |
231 | More often than most peers in Gastroenterology |
| Subsequent hospital care with straightforward or low level of medical decision making, per day, if using time, at least 25 minutes | Office visit | 99231 |
92 | More often than most peers in Gastroenterology |
| Visit complexity inherent to evaluation and management associated with medical care services that serve as the continuing focal point for all needed health care services and/or with medical care services that are part of ongoing care related to a patient' | Billing code | G2211 |
82 | More often than most peers in Gastroenterology |
| Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more | Office visit | 99214 |
80 | As often as other peers in Gastroenterology |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Related providers
Connections drawn from the registry and from what providers have told us. A link here is not a referral or an endorsement.
Other gastroenterologists at this location 5
Same specialty, same street address — most likely the same department or group.
Related specialists at this location 1
Clinically related specialties at the same address — the people this provider most likely works alongside.
Also at this address 4
Providers at the same street address. Each files their own registry entry, so a shared practice often appears under several different names.
More connections — 28 related providers in 4 groups
Other gastroenterologists in Pasadena 4
Same specialty, same city.
Trained at Harvard Medical School 8
Other providers in the same specialty who trained at the same institution.
Class of 1993 at Harvard Medical School 8
Providers who graduated from the same medical school in the same year.
Also performs Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope 8
Providers in CA who bill this service to Medicare most often.
Common questions
What is Peter M. Rosenberg's specialty?
Peter M. Rosenberg is a gastroenterologist in Pasadena, CA. That is the designation recorded for this NPI in the federal registry, where it is listed as “Gastroenterology”.
NPI registry
Where can I find Peter M. Rosenberg?
Peter M. Rosenberg is listed at 50 Alessandro Pl Suite 410, Pasadena, CA 91105. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How do I contact Peter M. Rosenberg?
The number on file is (626) 793-7114. Contact the office directly to confirm availability and scheduling.
NPI registry
What is Peter M. Rosenberg's NPI number?
Peter M. Rosenberg's National Provider Identifier is 1104890664. It is issued by the Centers for Medicare & Medicaid Services and is unique and permanent — it does not change if they move practice.
NPI registry
What is Peter M. Rosenberg's education?
Peter M. Rosenberg attended Harvard Medical School, graduating in 1993. This comes from the CMS National Downloadable File.
CMS public data
How long has Peter M. Rosenberg been practicing?
Peter M. Rosenberg has 33 years experience. Calculated from a graduation year of 1993, reported in the CMS National Downloadable File.
CMS public data
What is Peter M. Rosenberg known for?
According to Medicare billing data, Peter M. Rosenberg performs procedures including biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope, removal of polyps or growths of large bowel using an endoscope with mechanical snare and biopsy of large bowel using a flexible endoscope, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Has Peter M. Rosenberg confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by Peter M. Rosenberg. If this is you, claiming it is free.
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