Dr. Rachel Joy Blumberg, DO
- Medicare services, 2024
- 295
- Medicare patients, 2024
- 275
- Part D claims, 2024
- 344
- MIPS score, 2024
- 93
- Hospital affiliations
- 1
- Practice address
- 845 Jackson St, San Francisco, CA 94133
- Practice phone
- Call (415) 982-2400
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
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Dr. Rachel Joy Blumberg is an emergency medicine physician in San Francisco, California
Dr. Blumberg practices at Chinese Hospital in San Francisco, California, part of Chinese Hospital.
Dr. Blumberg's NPI, 1285075028, was assigned on July 9, 2013. Dr. Blumberg graduated from Rowan-Virtua School of Osteopathic Medicine - Stratford in 2009. Dr. Blumberg holds Illinois license 036134443.
- NPI
- 1285075028NPI Registry (opens in a new tab)
- Medicare PAC ID
- 7618101874
- NPI enumeration date
- July 9, 2013
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (415) 982-2400
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 43
- Medical school graduation
- 2009
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Rachel Joy Blumberg practices at Chinese Hospital in San Francisco, California
Dr. Blumberg's primary practice is Chinese Hospital, at 845 Jackson St, San Francisco, CA 94133 in San Francisco County. The practice phone is (415) 982-2400.
- Chinese Hospital845 Jackson St, San Francisco, CA 94133 · San Francisco CountyPhone(415) 982-2400
Source: Dmand AI Affiliation Data
Dr. Rachel Joy Blumberg is affiliated with 1 site of care and 3 medical groups
Dr. Blumberg's primary practice is Chinese Hospital in San Francisco, California, part of Chinese Hospital. The medical group on file is SCP Health. Dmand AI also links Dr. Blumberg to 2 more medical groups, each named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Rachel Joy Blumberg's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Blumberg practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Chinese Hospital | Available with a free account |
| +2 medical groups | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Rachel Joy Blumberg is one of 7,423 emergency medicine physicians in California
Emergency medicine is Dr. Blumberg's primary specialty in the NPI Registry, under taxonomy code 207P00000X. Dr. Blumberg is board certified in emergency medicine by the AOA Board of Emergency Medicine. Dmand AI has Dr. Blumberg's licenses on file in 3 states: Illinois, California and Florida.
Specialties and state licenses
- Emergency medicine, IllinoisPrimary
- California license
- Florida license
Emergency medicine physicians near Dr. Blumberg
Counts of emergency medicine physicians with a Dmand AI profile, by place and practice. Each opens the list.
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Dr. Rachel Joy Blumberg billed Medicare for 295 services in 2024
CMS data shows 295 Medicare services from Dr. Blumberg across 3 procedure codes in 2024, for 275 Medicare patients. Medicare paid $32,165 for them. Every service was in a facility, such as a hospital, rather than an office.
Dr. Blumberg's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 3022024: 2952%
Dr. Blumberg compared with the California median for emergency medicine physicians, 2024
- Dr. Blumberg
- California median
- Medicare services
- 295vs 26511% above
- Medicare patients
- 275vs 24313% above
- Part D claims
- 161vs 622.6 times
Medians across 7,079 emergency medicine physicians in California with Dmand AI profiles that report each measure.
Dr. Blumberg's most billed Medicare procedure codes, 2024
CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.
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Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Rachel Joy Blumberg treated 275 Medicare patients in 2024, average age 80
CMS counts 275 Medicare patients who saw Dr. Blumberg in 2024. The largest group is 85 and over, with 101 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 94% are also on Medicaid. Their average risk score is 1.74, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.
Across all payers, Dmand AI patient panel data puts Dr. Blumberg's median patient age at 72, with 49% women.
Dr. Blumberg's Medicare patients by age, 2024
Dr. Blumberg's Medicare patients by sex, 2024
- Women15857%
- Men11743%
Chronic conditions among Dr. Blumberg's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Arthritis45%
- Chronic kidney disease41%
- Diabetes41%
- COPD28%
- Osteoporosis27%
- Alzheimer's and dementia23%
Share of Medicare patients with each condition. A patient can have several.
Dr. Blumberg's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 72
Patient panel by sex, all payers
- Women49%
- Men46%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Rachel Joy Blumberg wrote 344 Medicare Part D claims in 2024
In 2024, Dr. Blumberg wrote 344 Medicare Part D claims for 245 patients. 82% of them were for generic drugs. CMS names the drug for 161 of them, across 6 drugs with 11 or more claims each, at $1,109 in total drug cost. In 2023, CMS named 183 claims across 8 drugs.
Dr. Blumberg's Part D claims by kind of drug, 2024
- Generic283 claims82%
- Brand-name and other61 claims18%
Dr. Blumberg's most prescribed drugs by claims, 2024
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
Drug classes CMS tracks in Dr. Blumberg's Part D claims, 2024
- Opioids4%14 of 344 claims
- Antibiotics29%99 of 344 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
Part D claims for drugs CMS names, 2023 to 2024
- 2023
- 2024
- Claims for drugs CMS names
- 2023: 1832024: 16112%
Drugs named by CMS: 6 in 2024, 8 in 2023.
Sources: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026; and Medicare Part D Prescribers - by Provider (CMS), 2024 data
Dr. Rachel Joy Blumberg scored 93 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 93 out of 100 for Dr. Blumberg for performance year 2024, reported as part of a group. Dr. Blumberg accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Dr. Blumberg's MIPS scores, performance year 2024
- 93of 100Final score
- 71.6of 100Quality
- 40of 100Improvement Activities
Each score is out of 100. The final score weighs the categories CMS scored for this clinician.
Sources: Doctors and Clinicians National Downloadable File (CMS); and Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026
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Dr. Rachel Joy Blumberg received $310 in industry payments from 2016 to 2024
CMS Open Payments shows 3 general payments to Dr. Blumberg from 3 drug and device companies from 2016 to 2024. Food and beverage make up the largest share, 100% of the total. Inari Medical, Inc. paid the most, $167.
General payments to Dr. Blumberg by program year, 2016 to 2024
Companies that paid Dr. Blumberg the most, 2016 to 2024
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Rachel Joy Blumberg graduated from Rowan-Virtua School of Osteopathic Medicine - Stratford
Dr. Blumberg graduated from Rowan-Virtua School of Osteopathic Medicine - Stratford in 2009. Dr. Blumberg is a member of AOA.
- Medical school
- Board certified in emergency medicine
- Board certified in 2017 - 2027
- Board certified in 2013 - 2026
- Board certified in 2014 - 2026
Source: Dmand AI Professional Profile Data
Dr. Rachel Joy Blumberg accepts plans from 10 insurance carriers
Dr. Blumberg is in network with 10 carriers, including Blue Cross Blue Shield of Michigan, United Healthcare and Blue Cross Blue Shield of Massachusetts. PPO plans come from the most carriers, 6. Check the plan with the practice before a visit.
- Blue Cross Blue Shield of Michigan
- United Healthcare
- Blue Cross Blue Shield of Massachusetts
- HCSC
- Regence Health Plans
- Blue Cross and Blue Shield of Kansas City
- Blue Cross Blue Shield of Arizona
- CMS Medicare
- +2 more carriersWith a free account
Plan types Dr. Blumberg accepts, by number of carriers
- PPO6
- Medicare5
- HMO3
- POS2
- EPO1
- Medicaid1
Source: Dmand AI Insurance Network Data
Sources for Dr. Rachel Joy Blumberg's profile data
| Data on this page | Source |
|---|---|
| NPI, name, sex, specialty and licenses | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data |
| Practice locations and phone | Dmand AI Affiliation Data |
| Primary practice, affiliations and health system | Dmand AI Affiliation DataDmand AI Org Hierarchy Data |
| Medicare services and procedure codes | Medicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab) |
| State medians for the same specialty | Dmand AI Peer Benchmarks |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab) |
| Part D prescribing | Medicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab)Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab) |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Clinician Public Reporting: Overall MIPS Performance (CMS) (opens in a new tab) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| Insurance carriers and plan types | Dmand AI Insurance Network Data |
| EHR at each practice site | Dmand AI Technology Install Data |
| Similar physicians | Dmand AI Affiliation Data |
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about Dr. Rachel Joy Blumberg
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Dr. Rachel Joy Blumberg's NPI number?
Dr. Rachel Joy Blumberg's NPI number is 1285075028. It was assigned on July 9, 2013, and it is active in the NPI Registry.
What kind of doctor is Dr. Rachel Joy Blumberg?
Dr. Rachel Joy Blumberg is an emergency medicine physician in San Francisco, California. The primary specialty in the NPI Registry is Emergency Medicine Physician (taxonomy code 207P00000X).
Where does Dr. Rachel Joy Blumberg practice?
Dr. Blumberg practices at 845 Jackson St, San Francisco, CA 94133. Dr. Blumberg's primary practice is Chinese Hospital in San Francisco, California, part of Chinese Hospital. Dmand AI also links Dr. Blumberg to 2 medical groups.
What is Dr. Rachel Joy Blumberg's office phone number?
The practice phone on file for Dr. Blumberg is (415) 982-2400.
What is Dr. Rachel Joy Blumberg's medical license number?
Dr. Blumberg holds Illinois license 036134443, one of the licenses on file in 3 states.
Which states has Dr. Rachel Joy Blumberg been licensed in?
Dmand AI has state licenses on file for Dr. Blumberg in Illinois, California and Florida.
Which hospitals is Dr. Rachel Joy Blumberg affiliated with?
Dr. Blumberg practices at Chinese Hospital in San Francisco, California.
What medical group is Dr. Rachel Joy Blumberg part of?
Dr. Blumberg is linked to SCP Health. Dmand AI links Dr. Blumberg to 2 more medical groups.
Does Dr. Rachel Joy Blumberg accept Medicare?
Yes. CMS data shows Dr. Blumberg billed Medicare for 295 services in 2024, and Dr. Blumberg accepts Medicare assignment.
What is Dr. Rachel Joy Blumberg's MIPS score?
Dr. Blumberg's MIPS final score for performance year 2024 is 93 out of 100, reported as part of a group.
Show 8 more questionsShow fewer questions
How many Medicare patients does Dr. Rachel Joy Blumberg see?
CMS counts 275 Medicare patients who saw Dr. Blumberg in 2024, with an average age of 80.
Is Dr. Rachel Joy Blumberg board certified?
Yes. Dr. Blumberg is board certified in emergency medicine by the AOA Board of Emergency Medicine.
What services does Dr. Rachel Joy Blumberg bill to Medicare?
In 2024, Dr. Blumberg's most billed Medicare services were emergency department visit (99284), emergency department visit (99285) and critical care (99291).
Where did Dr. Rachel Joy Blumberg go to medical school?
Dr. Blumberg graduated from Rowan-Virtua School of Osteopathic Medicine - Stratford in 2009.
What drugs does Dr. Rachel Joy Blumberg prescribe most?
In 2024 Medicare Part D data, Dr. Blumberg's most prescribed drugs by claims were Cephalexin, Meclizine HCl and Ondansetron ODT.
Has Dr. Rachel Joy Blumberg received payments from drug or device companies?
CMS Open Payments shows $310 in general payments to Dr. Blumberg from 3 companies from 2016 to 2024. The largest total came from Inari Medical, Inc.
How long has Dr. Rachel Joy Blumberg been practicing?
Dr. Blumberg graduated from medical school in 2009, 17 years ago.
What insurance does Dr. Rachel Joy Blumberg accept?
Dr. Blumberg is in network with 10 carriers, including Blue Cross Blue Shield of Michigan, United Healthcare and Blue Cross Blue Shield of Massachusetts. PPO plans come from the most carriers, 6. Check the plan with the practice before a visit.
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