Dr. Allen K. Tong, MD
- Medicare services, 2020
- 11
- Part D claims, 2024
- 6,321
- Hospital affiliations
- 2
- Medical groups
- 2
- Insurance carriers
- 4
- Practice address
- 795 El Camino Real, Palo Alto, CA 94301
- Practice phone
- Call (650) 324-1832
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Surgery Center Palo Alto
Surgery Center - Medicare-Certified · Palo Alto, California
Find Dr. Tong's professional email, personal email and mobile number
Dmand AI checks each channel through healthcare-specific waterfall enrichment. See what is on file with a free account, with practice phones, licenses and affiliations.
Dr. Allen K. Tong is an internist in Palo Alto, California
Dr. Tong practices at Surgery Center Palo Alto in Palo Alto, California.
Dr. Tong's NPI, 1841467701, was assigned on May 9, 2008. Dr. Tong graduated from Geisel School Of Medicine At Dartmouth in 2007. Dr. Tong holds California license A105605.
- NPI
- 1841467701NPI Registry (opens in a new tab)
- Medicare PAC ID
- 7810011145
- NPI enumeration date
- May 9, 2008
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
- Practice phone
- (650) 324-1832
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 45
- Medical school graduation
- 2007
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Allen K. Tong practices at Surgery Center Palo Alto in Palo Alto, California
Dr. Tong's primary practice is Surgery Center Palo Alto, at 795 El Camino Real, Palo Alto, CA 94301. The practice phone is (650) 324-1832.
- Surgery Center Palo Alto795 El Camino Real, Palo Alto, CA 94301Phone(650) 324-1832
Source: Dmand AI Affiliation Data
Dr. Allen K. Tong is affiliated with 5 sites of care and 2 medical groups
Dr. Tong's primary practice is Surgery Center Palo Alto in Palo Alto, California. Dr. Tong is also affiliated with Mills-Peninsula Medical Center. The medical group on file is Palo Alto Foundation Medical Group. Dmand AI also links Dr. Tong to 1 more hospital, 1 group practice or clinic, 1 home health agency and 1 medical group, 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. Allen K. Tong's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Tong practices, 5 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Surgery Center Palo Alto | Available with a free account |
| +4 more sites and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Allen K. Tong is one of 16,751 internists in California
Internal medicine is Dr. Tong's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dr. Tong is board certified in geriatric medicine by the American Board of Internal Medicine. Dr. Tong is licensed in California.
Specialties and state licenses
- Internal medicine, CaliforniaPrimary
Clinical focus
Dmand AI lists acid reflux, alzheimer's disease, aneurysm, anxiety, arthritis, asthma, chronic anemia and chronic diabetes among the conditions Dr. Tong treats.
Internists near Dr. Tong
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. Allen K. Tong billed Medicare for 11 services in 2020
CMS data shows 11 Medicare services from Dr. Tong across 1 procedure code in 2020. Medicare paid $511 for them. Every service was in a facility, such as a hospital, rather than an office.
Dr. Tong's Medicare services by type, 2018 to 2020
- 2018
- 2020
- Office and hospital visits
- 2018: 652020: 1183%
- Other services
- 2018: 112020: 0100%
Dr. Tong compared with the California median for internists, 2020
- Dr. Tong
- California median
- Medicare services
- 11vs 36197% below
- Part D claims
- 5,637vs 42113.4 times
Medians across 15,815 internists in California with Dmand AI profiles that report each measure.
Dr. Tong's most billed Medicare procedure codes, 2020
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. Allen K. Tong's patients have a median age of 81
Across all payers, Dmand AI patient panel data puts Dr. Tong's median patient age at 81, with 55% women.
Dr. Tong's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 81
Patient panel by sex, all payers
- Women55%
- Men43%
Source: Dmand AI Patient Panel Data
Dr. Allen K. Tong wrote 6,321 Medicare Part D claims in 2024
In 2024, Dr. Tong wrote 6,321 Medicare Part D claims for 545 patients. 87% of them were for generic drugs. CMS names the drug for 5,637 of them, across 93 drugs with 11 or more claims each, at $624,537 in total drug cost. In 2023, CMS named 5,091 claims across 87 drugs.
Dr. Tong's Part D claims by kind of drug, 2024
- Generic5,469 claims87%
- Brand-name776 claims12%
- Other76 claims1%
Dr. Tong'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. Tong's Part D claims, 2024
- Opioids2%122 of 6,321 claims
- Antibiotics1%59 of 6,321 claims
- Antipsychotics, patients 65 and over0%18 of 6,321 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: 5,0912024: 5,63711%
Drugs named by CMS: 93 in 2024, 87 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. Allen K. Tong offers telehealth to Medicare patients
Dr. Tong accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Tong as offering telehealth.
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
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Dr. Allen K. Tong graduated from Geisel School Of Medicine At Dartmouth
Dr. Tong graduated from Geisel School Of Medicine At Dartmouth in 2007.
- Medical school
- Board certified in geriatric medicine
- Board certified in internal medicine
Source: Dmand AI Professional Profile Data
Dr. Allen K. Tong accepts plans from 4 insurance carriers
Dr. Tong is in network with 4 carriers, including Aetna, Blue Cross Blue Shield of Massachusetts and HCSC. Medicare plans come from the most carriers, 4. Check the plan with the practice before a visit.
- Aetna
- Blue Cross Blue Shield of Massachusetts
- HCSC
- CMS Medicare
Plan types Dr. Tong accepts, by number of carriers
- Medicare4
- PPO3
- HMO1
- POS1
Source: Dmand AI Insurance Network Data
Sources for Dr. Allen K. Tong'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 Data |
| 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) |
| 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. Allen K. Tong
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. Allen K. Tong's NPI number?
Dr. Allen K. Tong's NPI number is 1841467701. It was assigned on May 9, 2008, and it is active in the NPI Registry.
What kind of doctor is Dr. Allen K. Tong?
Dr. Allen K. Tong is an internist in Palo Alto, California. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).
Where does Dr. Allen K. Tong practice?
Dr. Tong practices at 795 El Camino Real, Palo Alto, CA 94301. Dr. Tong's primary practice is Surgery Center Palo Alto in Palo Alto, California. Dmand AI also links Dr. Tong to 1 hospital, 1 group practice or clinic, 1 home health agency and 1 medical group.
What is Dr. Allen K. Tong's office phone number?
The practice phone on file for Dr. Tong is (650) 324-1832.
What is Dr. Allen K. Tong's medical license number?
Dr. Tong holds California license A105605.
Which hospitals is Dr. Allen K. Tong affiliated with?
Dr. Tong is affiliated with Mills-Peninsula Medical Center. Dmand AI links Dr. Tong to 1 more hospital.
What medical group is Dr. Allen K. Tong part of?
Dr. Tong is linked to Palo Alto Foundation Medical Group. Dmand AI links Dr. Tong to 1 more medical group.
Does Dr. Allen K. Tong accept Medicare?
Yes. CMS data shows Dr. Tong billed Medicare for 11 services in 2020, and Dr. Tong accepts Medicare assignment.
Does Dr. Allen K. Tong offer telehealth?
Yes. The CMS Doctors and Clinicians file lists Dr. Tong as offering telehealth services.
Is Dr. Allen K. Tong board certified?
Yes. Dr. Tong is board certified in geriatric medicine by the American Board of Internal Medicine.
Show 5 more questionsShow fewer questions
What services does Dr. Allen K. Tong bill to Medicare?
In 2020, Dr. Tong's most billed Medicare services were care management and other visits (99442).
Where did Dr. Allen K. Tong go to medical school?
Dr. Tong graduated from Geisel School Of Medicine At Dartmouth in 2007.
What drugs does Dr. Allen K. Tong prescribe most?
In 2024 Medicare Part D data, Dr. Tong's most prescribed drugs by claims were Atorvastatin Calcium, Amlodipine Besylate and Losartan Potassium.
How long has Dr. Allen K. Tong been practicing?
Dr. Tong graduated from medical school in 2007, 19 years ago.
What insurance does Dr. Allen K. Tong accept?
Dr. Tong is in network with 4 carriers, including Aetna, Blue Cross Blue Shield of Massachusetts and HCSC. Medicare plans come from the most carriers, 4. Check the plan with the practice before a visit.
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