Dr. Robert C. Tang, MD

  • Sacramento, CA
  • Internist
NPI1376640227PAC ID4981766565
Medicare services, 2024
1,936
Medicare patients, 2024
552
Part D claims, 2024
8,161
Hospital affiliations
3
Industry payments
$3,397
Practice address
1201 Alhambra Boulevard, Suite 100, Sacramento, CA 95817
Practice phone
Call (916) 733-8222
Professional email
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Personal email
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Mobile number
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Social profiles

Primary practice

Sutter Alhambra Surgery Center

Surgery Center - Medicare-Certified · Sacramento, California

See all 12 affiliations

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Dr. Robert C. Tang is an internist in Sacramento, California

Dr. Tang practices at Sutter Alhambra Surgery Center in Sacramento, California.

Dr. Tang's NPI, 1376640227, was assigned on September 20, 2006. Dr. Tang graduated from UC San Diego School of Medicine in 1993. Dr. Tang holds California license G79602.

NPI and contact details
Medicare PAC ID
4981766565
NPI enumeration date
September 20, 2006
NPI status
Active
Accepts Medicare assignment
Yes
Offers telehealth
Yes
Practice phone
(916) 733-8222
Professional email
Get email
Personal email
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Mobile number
Get number
Sex
Male
Estimated age
59
Medical school graduation
1993

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)

Dr. Robert C. Tang practices at Sutter Alhambra Surgery Center in Sacramento, California

Dr. Tang's primary practice is Sutter Alhambra Surgery Center, at 1201 Alhambra Boulevard, Suite 100, Sacramento, CA 95817. The practice phone is (916) 733-8222.

  • Sutter Alhambra Surgery Center
    1201 Alhambra Boulevard, Suite 100, Sacramento, CA 95817Phone(916) 733-8222

Source: Dmand AI Affiliation Data

Dr. Robert C. Tang is affiliated with 10 sites of care and 2 medical groups

Dr. Tang's primary practice is Sutter Alhambra Surgery Center in Sacramento, California. Dr. Tang is also affiliated with Sutter Medical Center, Sacramento. The medical group on file is SGMF Radiology. Dmand AI also links Dr. Tang to 2 more hospitals, 3 home health agencies, 2 group practices and clinics, 1 hospice and 1 medical group, each named with a free account.

See all 12 affiliations for Dr. Tang

Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data

Dmand AI tracks the EHR system at Dr. Robert C. Tang's practice

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Tang practices, 10 sites in all. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
Sutter Alhambra Surgery CenterAvailable with a free account
+9 more sites and 1 medical groupAvailable with a free account

Source: Dmand AI Technology Install Data

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Dr. Robert C. Tang is one of 16,751 internists in California

Internal medicine is Dr. Tang's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dr. Tang is board certified in internal medicine by the American Board of Internal Medicine. Dmand AI has Dr. Tang's licenses on file in 3 states: California, Oregon and Nevada.

Specialties and state licenses

  • Internal medicine, CaliforniaPrimaryLicense G79602 · 1994 to 2026 · taxonomy 207R00000X
  • Oregon licenseSince 1996
  • Nevada license1997 to 1999

Clinical focus

Dmand AI lists acid reflux, acute sinusitis, acute skin infection, aneurysm, asthma, atrial fibrillation and flutter, benign or precancerous skin growths and bipolar disorder among the conditions Dr. Tang treats.

Internists near Dr. Tang

Counts of internists 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. Robert C. Tang billed Medicare for 1,936 services in 2024

CMS data shows 1,936 Medicare services from Dr. Tang across 11 procedure codes in 2024, for 552 Medicare patients. Medicare paid $139,068 for them. Every service was in an office.

Medicare services, 20241,936
Medicare patients552
Paid by Medicare$139,068
Procedure codes11

Dr. Tang's Medicare services by type, 2023 to 2024

  • 2023
  • 2024
Office and hospital visits
2023: 1,1812024: 1,1731%
Other services
2023: 2912024: 663128%
Tests and treatments
2023: 1222024: 10018%

Dr. Tang compared with the California median for internists, 2024

  • Dr. Tang
  • California median
Medicare services
1,936vs 3615.4 times
Medicare patients
552vs 1513.7 times
Part D claims
7,428vs 42117.6 times

Medians across 15,815 internists in California with Dmand AI profiles that report each measure.

Dr. Tang'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. Tang

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Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks

Dr. Robert C. Tang treated 552 Medicare patients in 2024, average age 78

CMS counts 552 Medicare patients who saw Dr. Tang in 2024. The largest group is 75 to 84, with 259 patients. 69% of them have high blood pressure, and 68% have high cholesterol. Their average risk score is 0.98, where 1.00 is the Medicare average.

Across all payers, Dmand AI patient panel data puts Dr. Tang's median patient age at 76, with 45% women.

Medicare patients, 2024552
Average age78
Average risk score0.98

Dr. Tang's Medicare patients by age, 2024

CMS leaves out age groups with fewer than 11 patients.

Dr. Tang's Medicare patients by sex, 2024

  • Women25947%
  • Men29353%

Chronic conditions among Dr. Tang's Medicare patients, 2024

  1. High blood pressure69%
  2. High cholesterol68%
  3. Chronic kidney disease61%
  4. Arthritis43%
  5. Diabetes24%
  6. Ischemic heart disease23%
  7. Atrial fibrillation21%
  8. Cancer19%

Share of Medicare patients with each condition. A patient can have several.

Dr. Tang's patients across all payers

Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.

Patient panel by age, all payers

Median age 76

Patient panel by sex, all payers

  • Women45%
  • Men53%

Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data

Dr. Robert C. Tang wrote 8,161 Medicare Part D claims in 2024

In 2024, Dr. Tang wrote 8,161 Medicare Part D claims for 757 patients. 85% of them were for generic drugs. CMS names the drug for 7,428 of them, across 112 drugs with 11 or more claims each, at $905,603 in total drug cost. In 2023, CMS named 7,619 claims across 110 drugs.

Part D claims, 20248,161
Drugs named by CMS112
Total drug cost$905,603
Part D patients757

Dr. Tang's Part D claims by kind of drug, 2024

  • Generic6,907 claims85%
  • Brand-name1,212 claims15%
  • Other42 claims1%

Dr. Tang'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. Tang's Part D claims, 2024

  • Opioids0%14 of 8,161 claims
  • Antibiotics2%129 of 8,161 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: 7,6192024: 7,4283%

Drugs named by CMS: 112 in 2024, 110 in 2023.

See all prescribing by Dr. Tang

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. Robert C. Tang offers telehealth to Medicare patients

Dr. Tang accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Tang as offering telehealth.

Accepts Medicare assignment
Yes
Offers telehealth
Yes

Source: Doctors and Clinicians National Downloadable File (CMS)

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Dr. Robert C. Tang received $3,397 in industry payments from 2016 to 2025

CMS Open Payments shows 19 general payments to Dr. Tang from 7 drug and device companies from 2016 to 2025. Consulting fees make up the largest share, 50% of the total. Medtronic, Inc. paid the most, $1,140.

General payments to Dr. Tang by program year, 2016 to 2025

General payments to Dr. Tang by kind, 2016 to 2025

$3.4Kin total
  • Consulting fees$1,68550%
  • Gifts$1,08032%
  • Food and beverage$2327%
  • Speaker and faculty fees$2257%
  • Other$1755%

Companies that paid Dr. Tang the most, 2016 to 2025

Share is of all general payments to this clinician.

See all payments to Dr. Tang

Source: Open Payments (CMS), 2025 data, released July 7, 2026

Dr. Robert C. Tang has 2 awards and honors on record

Dmand AI lists 2 awards for Dr. Tang, most recently CMS Stage 1 EHR in 2013.

Awards and honors for Dr. Tang

  1. 2013
    • CMS Stage 1 EHR
  2. Undated
    • MD

Source: Dmand AI Professional Profile Data

Dr. Robert C. Tang graduated from UC San Diego School of Medicine

Dr. Tang graduated from UC San Diego School of Medicine in 1993.

  1. Medical schoolUC San Diego School of Medicine
  2. Board certified in internal medicineAmerican Board of Internal Medicine

Source: Dmand AI Professional Profile Data

Dr. Robert C. Tang accepts plans from 13 insurance carriers

Dr. Tang is in network with 13 carriers, including Aetna, Blue Cross Blue Shield of Michigan and United Healthcare. PPO plans come from the most carriers, 9. Check the plan with the practice before a visit.

  • Aetna
  • Blue Cross Blue Shield of Michigan
  • United Healthcare
  • Elevance
  • HCSC
  • Blue Cross Blue Shield of Massachusetts
  • Regence Health Plans
  • Alliant Health Plans
  • +5 more carriersWith a free account

Plan types Dr. Tang accepts, by number of carriers

  1. PPO9
  2. Medicare7
  3. HMO6
  4. EPO4
  5. POS3

Source: Dmand AI Insurance Network Data

Sources for Dr. Robert C. Tang'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)
Industry paymentsOpen Payments (CMS) (opens in a new tab)
Awards and committee rolesDmand AI Professional Profile Data
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. Robert C. Tang

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. Robert C. Tang's NPI number?

Dr. Robert C. Tang's NPI number is 1376640227. It was assigned on September 20, 2006, and it is active in the NPI Registry.

What kind of doctor is Dr. Robert C. Tang?

Dr. Robert C. Tang is an internist in Sacramento, California. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).

Where does Dr. Robert C. Tang practice?

Dr. Tang practices at 1201 Alhambra Boulevard, Suite 100, Sacramento, CA 95817. Dr. Tang's primary practice is Sutter Alhambra Surgery Center in Sacramento, California. Dmand AI also links Dr. Tang to 2 hospitals, 3 home health agencies, 2 group practices and clinics, 1 hospice and 1 medical group.

What is Dr. Robert C. Tang's office phone number?

The practice phone on file for Dr. Tang is (916) 733-8222.

What is Dr. Robert C. Tang's medical license number?

Dr. Tang holds California license G79602, one of the licenses on file in 3 states.

Which states has Dr. Robert C. Tang been licensed in?

Dmand AI has state licenses on file for Dr. Tang in California (1994 to 2026), Oregon (since 1996) and Nevada (1997 to 1999).

Which hospitals is Dr. Robert C. Tang affiliated with?

Dr. Tang is affiliated with Sutter Medical Center, Sacramento. Dmand AI links Dr. Tang to 2 more hospitals.

What medical group is Dr. Robert C. Tang part of?

Dr. Tang is linked to SGMF Radiology. Dmand AI links Dr. Tang to 1 more medical group.

Does Dr. Robert C. Tang accept Medicare?

Yes. CMS data shows Dr. Tang billed Medicare for 1,936 services in 2024, and Dr. Tang accepts Medicare assignment.

Does Dr. Robert C. Tang offer telehealth?

Yes. The CMS Doctors and Clinicians file lists Dr. Tang as offering telehealth services.

Show 8 more questionsShow fewer questions

How many Medicare patients does Dr. Robert C. Tang see?

CMS counts 552 Medicare patients who saw Dr. Tang in 2024, with an average age of 78.

Is Dr. Robert C. Tang board certified?

Yes. Dr. Tang is board certified in internal medicine by the American Board of Internal Medicine.

What services does Dr. Robert C. Tang bill to Medicare?

In 2024, Dr. Tang's most billed Medicare services were office visit, established patient (99214), office visit, established patient (99213) and medicare service (G2211).

Where did Dr. Robert C. Tang go to medical school?

Dr. Tang graduated from UC San Diego School of Medicine in 1993.

What drugs does Dr. Robert C. Tang prescribe most?

In 2024 Medicare Part D data, Dr. Tang's most prescribed drugs by claims were Atorvastatin Calcium, Lisinopril and Losartan Potassium.

Has Dr. Robert C. Tang received payments from drug or device companies?

CMS Open Payments shows $3,397 in general payments to Dr. Tang from 7 companies from 2016 to 2025. The largest total came from Medtronic, Inc.

How long has Dr. Robert C. Tang been practicing?

Dr. Tang graduated from medical school in 1993, 33 years ago.

What insurance does Dr. Robert C. Tang accept?

Dr. Tang is in network with 13 carriers, including Aetna, Blue Cross Blue Shield of Michigan and United Healthcare. PPO plans come from the most carriers, 9. Check the plan with the practice before a visit.

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