DR. DIANA LEIGH ROWELL M.D.
NPI 1932285004
Internal Medicine in Chula Vista, CA

Q: What is Diana Rowell's NPI number?

The NPI number for Diana Rowell is 1932285004. It was assigned to this individual provider in the NPPES registry on October 31, 2006.

Q: What is Diana Rowell's specialty?

The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.

Q: When was this NPI record last updated?

The NPPES record for Diana Rowell was last updated on November 16, 2012. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 13 years 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.

Active since October 31, 2006PECOS Enrolled

73.62/100

CMS Quality Rating

525 3RD AVE, CHULA VISTA, CA 91910(858) 499-2707 Get Directions Write a Review

NPPES record last updated: November 16, 2012. Verified against the NPPES registry weekly; last sync: October 25, 2026.

On this page

About Dr. Diana Leigh Rowell M.d. NPPES

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

DR. DIANA LEIGH ROWELL M.D. (NPI 1932285004) is an individual internal medicine provider in Chula Vista, California, licensed in California (G73814) and active in the NPI registry since October 2006. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1932285004

Entity TypeIndividualFemale

Primary Taxonomy207R00000X

Provider Legal NameDR. DIANA LEIGH ROWELLCredential: M.D.

Location Address525 3RD AVEChula Vista, CA 91910-5616

Mailing Address525 3rd AveChula Vista, CA 91910-5616 · (858) 499-2707

Phone(858) 499-2707

Sole ProprietorNo

Enumeration DateOctober 31, 2006

Last NPPES UpdateNovember 16, 2012

✔ NPI 1932285004 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians

Taxonomy Code207R00000X

License✔ Licensed in CA · G73814

Definition

A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.

525 3RD AVE, Chula Vista, CA 91910

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Other Identifiers 1

Medicare UPINF12420CA

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Dr. Diana Leigh Rowell M.d. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

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 Reassignment

Medicare enrollment records show Diana Rowell reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Sharp Rees-Stealy Medical Group, Inc

15 mi

Internal Medicine

5651 COPLEY DR STE A
San Diego, CA 92111

Reassigned Medicare billing, California enrollment
1,233 clinicians in this Medicare group

NPI 1285616177 (858) 262-6666

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

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 91910 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

$140.22 typical visit price

range $62.10 – $184.71

Typical copayment $35.05 (range $15.52 – $46.17)

Most-billed visit code 99204

Established Patient

$108.42 typical visit price

range $20.62 – $151.42

Typical copayment $27.10 (range $5.15 – $37.85)

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.

Medicare Quality Performance CMS QPP · MIPS

Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.

73.62/100

MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program

Scored as part of a group practice

Quality

74.56

Improvement Activities

Cost

58.69

Referred Medical Equipment & Supplies CMS DME claims 4

Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.

Blood glucose test or reagent strips for home blood glucose monitor, per 50 strips A4253

DME-Other DME · category DE017N

13 suppliers36 claims114 services$5.31 avg. paid by Medicare

Portable gaseous oxygen system, rental; includes portable container, regulator, flowmeter, humidifier, cannula or mask, and tubing E0431

DME-Oxygen and Supplies · category DC000N

2 suppliers13 claims14 services$14.71 avg. paid by Medicare

Oxygen concentrator, single delivery port, capable of delivering 85 percent or greater oxygen concentration at the prescribed flow rate E1390

DME-Oxygen and Supplies · category DC002N

5 suppliers24 claims25 services$78.41 avg. paid by Medicare

Supply allowance for therapeutic continuous glucose monitor (cgm), includes all supplies and accessories, 1 month supply = 1 unit of service K0553

DME-Other DME · category DE017N

1 supplier12 claims12 services$215.65 avg. paid by Medicare

Dollar amounts are the average Medicare paid the supplier per service. They are not the cost to the patient.

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.

DR. PERRY V MONTOYA M.D

Internal Medicine

525 3RD AVE
CHULA VISTA, CA 91910

San Diego County (858) 499-2600

DR. GEORGE B. COLSON M.D.

Preventive Medicine (Occupational Medicine)

525 3RD AVE
CHULA VISTA, CA 91910

San Diego County (619) 585-4050

MARY MCDERMOTT

Pharmacist

525 3RD AVE, SUITE A
CHULA VISTA, CA 91910

San Diego County (619) 420-7120

RAQUEL KNUTSON MMS, PA-C

Physician Assistant

525 3RD AVE
CHULA VISTA, CA 91910

San Diego County (619) 585-4050

DAVID JAMES MALINAK MD

Internal Medicine

525 3RD AVE
CHULA VISTA, CA 91910

San Diego County (858) 499-2713

DR. PEDRO M SOUSA PHARMD

Pharmacist

525 3RD AVE
CHULA VISTA, CA 91910

San Diego County (619) 420-7120

TOM-OLIVER KLEIN MD

Internal Medicine

525 3RD AVE
CHULA VISTA, CA 91910

San Diego County (619) 499-2600

SHARP REES-STEALY MEDICAL GROUP INC

Internal Medicine

525 3RD AVE
CHULA VISTA, CA 91910

San Diego County (619) 446-1646

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 Diana Rowell's NPI number?

The NPI number for Diana Rowell is 1932285004. It was assigned to this individual provider in the NPPES registry on October 31, 2006.

Where is Diana Rowell located?

Diana Rowell practices at 525 3rd Ave, Chula Vista, CA 91910. The listed phone number is (858) 499-2707.

What is Diana Rowell's specialty?

The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.

Is Diana Rowell enrolled in Medicare?

Yes. Diana Rowell is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Diana Rowell's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Diana Rowell reassigns Medicare benefits to Sharp Rees-Stealy Medical Group, Inc (San Diego, CA). The 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 Diana Rowell'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 Diana Rowell was last updated on November 16, 2012. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 13 years 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.