Dr. Rachel Joy Blumberg, DO

  • San Francisco, CA
  • Emergency medicine physician
NPI1285075028PAC ID7618101874
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
Social profiles

Primary practice

Chinese Hospital

Hospital · San Francisco, California

See all 4 affiliations

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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 and contact details
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 Hospital
    845 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.

See all 4 affiliations for Dr. Blumberg

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.

EHR by site
SiteEHR vendor and product
Chinese HospitalAvailable with a free account
+2 medical groupsAvailable with a free account

Source: Dmand AI Technology Install Data

For health IT teams

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Dmand AI maps EHR vendors, IT decision makers and buying committees across Chinese Hospital and 6.2K+ hospitals, with verified contacts in the same login.

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, IllinoisPrimaryLicense 036134443 · taxonomy 207P00000X
  • California licenseLicense 20A15707
  • Florida licenseLicense OS12244

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.

Medicare services, 2024295
Medicare patients275
Paid by Medicare$32,165
Procedure codes3

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.

See all procedures by Dr. Blumberg

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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.

Medicare patients, 2024275
Average age80
Average risk score1.74
Also on Medicaid94%

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

  1. High blood pressure75%
  2. High cholesterol75%
  3. Arthritis45%
  4. Chronic kidney disease41%
  5. Diabetes41%
  6. COPD28%
  7. Osteoporosis27%
  8. 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.

Part D claims, 2024344
Drugs named by CMS6
Total drug cost$1,109
Part D patients245

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.

See all prescribing by Dr. Blumberg

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.

See all payments to Dr. Blumberg

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.

  1. Medical schoolRowan-Virtua School of Osteopathic Medicine - Stratford
  2. Board certified in emergency medicineAOA Board of Emergency Medicine
  3. Board certified in 2017 - 2027CA State License
  4. Board certified in 2013 - 2026FL State License
  5. Board certified in 2014 - 2026IL State License

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

  1. PPO6
  2. Medicare5
  3. HMO3
  4. POS2
  5. EPO1
  6. Medicaid1

Source: Dmand AI Insurance Network Data

Sources for Dr. Rachel Joy Blumberg's profile data

Sources for the data on this page
Data on this pageSource
NPI, name, sex, specialty and licensesNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data
Practice locations and phoneDmand AI Affiliation Data
Primary practice, affiliations and health systemDmand AI Affiliation DataDmand AI Org Hierarchy Data
Medicare services and procedure codesMedicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab)
State medians for the same specialtyDmand AI Peer Benchmarks
Medicare patients and the all-payer patient panelDmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab)
Part D prescribingMedicare 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 percentilesDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Clinician Public Reporting: Overall MIPS Performance (CMS) (opens in a new tab)
Industry paymentsOpen Payments (CMS) (opens in a new tab)
Training, board certification and membershipsDmand AI Professional Profile Data
Insurance carriers and plan typesDmand AI Insurance Network Data
EHR at each practice siteDmand AI Technology Install Data
Similar physiciansDmand 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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