DR. HARIKRISHNA AMBATI MD
NPI 1154998730
Family Medicine in Chino, CA

Active since June 10, 2021PECOS EnrolledAccepts Medicare Assignment
5451 WALNUT AVE, CHINO, CA 91710(909) 464-8723(909) 464-8737 Get Directions Write a Review

NPPES record last updated: January 12, 2026. Verified against the NPPES registry weekly; last sync: November 01, 2026.

Record update history: Jan 12, 2026, Feb 11, 2025, Jun 10, 2021 (3 updates tracked since 2021).

About Dr. Harikrishna Ambati Md NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

DR. HARIKRISHNA AMBATI MD (NPI 1154998730) is an individual family medicine provider in Chino, California, licensed in California (A193064) and active in the NPI registry since June 2021. He is enrolled in Medicare PECOS and is a graduate of Other (2009).

NPPES Registry Identity

NPI1154998730
Entity TypeIndividualMale
Primary Taxonomy207Q00000X
Provider Legal NameDR. HARIKRISHNA AMBATICredential: MD
Location Address5451 WALNUT AVEChino, CA 91710-2609
Mailing Address9067 Sycamore Ave Building 6 Unit 109Montclair, CA 91763 · (408) 571-9333
Fax(909) 464-8737
Sole ProprietorYes
Medical School CMSOtherGraduated 2009
Enumeration DateJune 10, 2021
Last NPPES UpdateJanuary 12, 20263 updates tracked since enumeration
NPPES CertifiedJanuary 12, 2026
✔ NPI 1154998730 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyFamily MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207Q00000X
License✔ Licensed in CA · A193064
Definition
Family Medicine is the medical specialty which is concerned with the total health care of the individual and the family. It is the specialty in breadth which integrates the biological, clinical, and behavioral sciences. The scope of family medicine is not limited by age, sex, organ system, or disease entity.
5451 WALNUT AVE, Chino, CA 91710

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Dr. Harikrishna Ambati Md is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID5890168850
PECOS Enrollment IDI20230222002936
Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Billing Reassignments

11

Medicare enrollment records show Harikrishna Ambati reassigns Medicare billing to 11 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Family Medicine
5475 WALNUT AVE STE G
Chino, CA 91710
  • Reassigned Medicare billing, California enrollment
  • 145 clinicians in this Medicare group
Family Medicine
4959 PALO VERDE ST STE 206A-5
Montclair, CA 91763
  • Reassigned Medicare billing, California enrollment
  • 11 clinicians in this Medicare group
Primary Care
1451 RIMPAU AVE STE 213
Corona, CA 92879
  • Reassigned Medicare billing, California enrollment
  • 32 clinicians in this Medicare group
Family Medicine
16359 BROOK LN
Fontana, CA 92336
  • Reassigned Medicare billing, California enrollment
Internal Medicine
4354 LATHAM ST STE 100
Riverside, CA 92501
  • Reassigned Medicare billing, California enrollment
  • 48 clinicians in this Medicare group
Family Medicine
400 N PEPPER AVE
Colton, CA 92324
  • Reassigned Medicare billing, California enrollment
  • 58 clinicians in this Medicare group
Primary Care
13443 TELEGRAPH RD
Whittier, CA 90605
  • Reassigned Medicare billing, California enrollment
  • 22 clinicians in this Medicare group
Internal Medicine
2101 N WATERMAN AVE
San Bernardino, CA 92404
  • Reassigned Medicare billing, California enrollment
  • 1,216 clinicians in this Medicare group
Urgent Care
24060 FIR AVE STE A
Moreno Valley, CA 92553
  • Reassigned Medicare billing, California enrollment
  • 6 clinicians in this Medicare group
Family Medicine
1314 W GLENOAKS BLVD STE 205
Glendale, CA 91201
  • Reassigned Medicare billing, California enrollment
  • 23 clinicians in this Medicare group

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Areas of Expertise CMS Part B claims 6

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 99233
Follow-up hospital inpatient care per day typically involves a 35-minute check-up by your healthcare provider. This service includes monitoring your health progress, adjusting your treatment plan if needed, and answering any questions you may have about your condition or care.
265 services104 patients
Advance care planning, first 30 minutes 99497
Advance care planning is a process where you discuss your healthcare preferences with your doctor. This conversation, lasting up to 30 minutes, helps ensure your wishes are respected if you're unable to communicate them in the future. It's about your care, your way.
148 services73 patients
Hospital discharge day management, more than 30 minutes 99239
Hospital discharge day management over 30 minutes involves a detailed process to ensure a smooth transition from hospital to home. It includes final examinations, discussion of your hospital stay, post-discharge instructions, and coordinating follow-up care.
85 services82 patients
Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 99223
Initial hospital inpatient care per day, typically 70 minutes, refers to the daily medical service provided to patients admitted to the hospital. This includes a comprehensive evaluation, diagnosis, treatment plan, and monitoring of your health condition. It ensures your well-being during your hospital stay.
70 services64 patients
Critical care, first 30-74 minutes 99291
Critical care involves immediate and constant attention by a team of specially-trained health professionals. It's for patients with life-threatening conditions, requiring first 30-74 minutes of intense monitoring and treatment.
61 services20 patients
Subsequent nursing facility care with straightforward level of medical decision making, per day, if using time, 20 minutes or more 99308
A follow-up nursing facility visit per day is a daily check-up service provided by healthcare professionals. It lasts around 15 minutes and involves assessing your health status, monitoring your recovery progress, and addressing any concerns you may have about your health or treatment.
22 services17 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 91710 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$91.88 typical visit price
range $59.60 – $179.42
Typical copayment $22.97 (range $14.90 – $44.85)
Most-billed visit code 99203
Established Patient
$104.64 typical visit price
range $19.37 – $146.42
Typical copayment $26.16 (range $4.84 – $36.60)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

Student in an Organized Health Care Education/Training Program
5451 WALNUT AVE
CHINO, CA 91710
Emergency Medicine
5451 WALNUT AVE
CHINO, CA 91710
Student in an Organized Health Care Education/Training Program
5451 WALNUT AVE
CHINO, CA 91710
Student in an Organized Health Care Education/Training Program
5451 WALNUT AVE
CHINO, CA 91710
Student in an Organized Health Care Education/Training Program
5451 WALNUT AVE
CHINO, CA 91710
Family Medicine
5451 WALNUT AVE
CHINO, CA 91710
Student in an Organized Health Care Education/Training Program
5451 WALNUT AVE
CHINO, CA 91710
Family Medicine
5451 WALNUT AVE
CHINO, CA 91710

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Harikrishna Ambati's NPI number?

The NPI number for Harikrishna Ambati is 1154998730. It was assigned to this individual provider in the NPPES registry on June 10, 2021.

Where is Harikrishna Ambati located?

Harikrishna Ambati practices at 5451 Walnut Ave, Chino, CA 91710. The listed phone number is (909) 464-8723.

What is Harikrishna Ambati's specialty?

The primary specialty registered for this NPI is Family Medicine with taxonomy code 207Q00000X.

Is Harikrishna Ambati enrolled in Medicare?

Yes. Harikrishna Ambati is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

Which organizations bill Medicare for Harikrishna Ambati's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Harikrishna Ambati reassigns Medicare benefits to 11 organizations: Desert Valley Medical Group, Inc (Chino, CA), Golden State Medical Group (Montclair, CA), Remedial Patients Care Inc (Corona, CA), Vk Medical Group Inc (Fontana, CA), Alertive Healthcare Medical Group Apc (Riverside, CA) and 6 more organizations, listed in the Medicare section above. Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Harikrishna Ambati's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

When was this NPI record last updated?

The NPPES record for Harikrishna Ambati was last updated on January 12, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 9 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.