2026 NPPES data Obstetrics & Gynecology Physician NPI 1164606885 M.D.
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HEATHER GILBERT, M.D.

Obstetrics & Gynecology Physician in TUCSON, Arizona. CMS National Plan and Provider Enumeration System profile including specialty classification, practice address, and Medicare prescribing data when reported.

Federal data — no proprietary rating. PlainDoctor publishes the actual CMS NPPES and Medicare records — NPI registration, specialty, practice location, and prescribing data — without a composite score or editorial opinion on top. Every field traces to a federal source.
Prescribing volume
525
Medicare Part D claims · 202 beneficiaries · Obstetrics & Gynecology Physician avg: 179
Generic prescribing
85%
generic claims · 15% brand-name · higher generic rates reduce patient out-of-pocket costs
Industry payments
$100.2
1 payments · CMS Open Payments (Sunshine Act)

What the federal data shows

HEATHER GILBERT, M.D. filed 525 Medicare Part D claims in 2023 as a Obstetrics & Gynecology Physician in TUCSON, Arizona, prescribing 85% generic.

525
Part D claims, 2023
85%
generic prescribing
$100.2
industry payments (Sunshine Act)

Every figure on this page comes straight from federal CMS records (NPPES, Medicare Part D, MIPS, Open Payments) — no proprietary rating or editorial opinion is applied.

HEATHER GILBERT, M.D.'s Medicare Part D volume vs every U.S. prescriber

Total Medicare Part D claims, 2023 — across all CMS prescribers nationally

525 Top 34% higher than 66% of 1,370,886 prescribers

0–200: 670,926 prescribers (49%). Below this entry. 200–400: 182,923 prescribers (13%). Below this entry. 400–600: 90,619 prescribers (7%). This entry sits in this band. 600–800: 56,224 prescribers (4%). Above this entry. 800–1,000: 40,919 prescribers (3%). Above this entry. 1,000–1,200: 31,827 prescribers (2%). Above this entry. 1,200–1,400: 26,224 prescribers (2%). Above this entry. 1,400–1,600: 21,710 prescribers (2%). Above this entry. 1,600–1,800: 19,072 prescribers (1%). Above this entry. 1,800–2,000: 16,451 prescribers (1%). Above this entry. 2,000–2,200: 213,991 prescribers (16%). Above this entry. This provider 0 2K+ every Part D prescriber (claims/yr), bucketed by value

Each bar is a band; taller bars hold more prescribers. The dashed line + filled bar mark this entry. Hover or tap any bar for its full count, share, and where it sits relative to this entry.

Source CMS Medicare Part D Prescriber Public Use File · 2023

Board-eligible specialty (heuristic — not verified)

HEATHER GILBERT, M.D. practices in an ABMS-board-eligible specialty but we don't have enough CMS-participation signals to confirm active board-certified status. Consult CertificationMatters.org (the official ABMS public lookup).

What does the federal data show about HEATHER GILBERT, M.D.?

Quality data not reported

NPI registry status

Active

Issued 12/18/2007

NPI 1164606885

Primary specialty

Obstetrics & Gynecology Physician

Mid-sized

44,313 US NPIs in this specialty

Medicare Part D claims

525 193% vs specialty avg

2023 prescription claims

Specialty avg: 179

Specialty distribution in Arizona

How Obstetrics & Gynecology Physician compares to other specialties among Arizona providers

Arizona providers

Obstetrics & Gynecology Physician share within Arizona

1. Obstetrics & Gynecology Physician42%2. Internal medicine21%3. Family medicine17%4. Surgical12%5. Pediatric8%
Obstetrics & Gynecology Physician share within Arizona

Specialty board-certification context

Estimated specialty board-certified rate — Obstetrics & Gynecology Physician (ABMS / AOA reference)

Quality data not reported
Est. board-certified rate
78%
Obstetrics & Gynecology Physician ABMS/AOA estimate

Est. board-certified rate (Obstetrics & Gynecology Physician) — ABMS / AOA estimate

0%100%78%
Est. board-certified rate (Obstetrics & Gynecology Physician) — ABMS / AOA estimate

The Merit-based Incentive Payment System (MIPS) scores providers 0–100 across four performance categories: Quality, Cost, Promoting Interoperability, and Improvement Activities, weighted under 42 CFR §414.1380. Reporting is voluntary for many small practices, so absence of a MIPS score is not a quality signal.

Board certification through an ABMS or AOA member board signals voluntary post-licensure examination plus continuous Maintenance of Certification cycles. Verify any individual provider's status through certificationmatters.org (ABMS) or osteopathic.org (AOA).

HEATHER GILBERT, M.D. appears in the CMS NPPES registry as a Obstetrics & Gynecology Physician provider holding M.D. credentials at 1501 N CAMPBELL AVE, TUCSON, AZ, 85724, with a listed phone of (520) 694-6010. NPI 1164606885 was issued on 12/18/2007. Because NPPES data is self-reported by the provider and refreshed monthly, the address, phone, and specialty reflect what GILBERT most recently submitted to CMS rather than a vetted directory listing, which is why patients should always confirm the practice is still at this location before scheduling.

Medicare Part D records for calendar year 2023 show 525 prescription claims written by this provider, covering 202 Medicare beneficiaries and totaling roughly $53K in drug spend, split 15% brand-name and 85% generic by claim count. These figures capture only Medicare Part D — commercial insurance, Medicaid, and cash-pay prescriptions are not included, and any drug-beneficiary cell under 11 is suppressed by CMS for patient privacy.

Obstetrics & Gynecology Physician is a mid-sized specialty nationwide, with 44,313 enrolled providers across 56 states and an average of 179 Part D claims per prescriber, so the context for interpreting these metrics differs meaningfully from a primary-care baseline. Important: PlainDoctor is a directory of publicly available government data, not medical advice, a malpractice database, or a quality rating. Inclusion here does not imply a recommendation, and absence of complaints or sanctions on this page does not mean none exist — always verify credentials through the NPPES NPI Registry, your state medical board, and the ABMS or AOA before making healthcare decisions.

Practice Address

1501 N CAMPBELL AVE
TUCSON, AZ 85724

Provider Details

NPI 1164606885
Specialty Obstetrics & Gynecology Physician
Credentials M.D.
Gender Female
NPI Issued 12/18/2007

Industry payments received (2024) — CMS Open Payments transparency data

The federal Physician Payments Sunshine Act (part of the Affordable Care Act) requires drug and medical-device manufacturers + group purchasing organizations to publicly report payments and other transfers of value to physicians and teaching hospitals. The data below covers 2024 for HEATHER GILBERT, M.D.. Source: openpaymentsdata.cms.gov.

Total received

$100

Largest payer

Davol Inc.

Most common payment type

Food and Beverage

Industry payments are not necessarily indicators of bias — they include research funding, consulting fees for evidence-based work, royalties for inventions, food at conferences, and similar items. The disclosure exists for transparency. Read our methodology for how we interpret this data.

Brand vs generic prescribing mix · Typical

HEATHER GILBERT, M.D. — brand share 15.0%
Specialty average (est.)

15% brand-name claims vs 85% generic, on 525 2023 Medicare Part D claims.

The federal Medicare Part D Generic Dispensing Rate national benchmark sits near 90% generic / 10% brand for primary-care prescribers, per CMS Office of the Actuary 2024 estimates. Higher brand share is common in specialty prescribing where generic equivalents are not available.

Medicare Part D Prescribing Data

CMS Medicare Part D prescriber-level data for calendar year 2023.

525
Total Claims
$53K
Total Drug Cost
202
Medicare Beneficiaries

Prescribing Breakdown

30-Day Fills
1,225
Total Day Supply
34,128
Brand vs Generic
15% brand / 85% generic
Brand Drug Cost
$30K
Generic Drug Cost
$23K
Antibiotic Claims
25

Patient Demographics

Average Patient Age
71.7 years
Avg HCC Risk Score
0.91
Gender Split
100% female / 0% male
Age Distribution
<65: 18, 65-74: 112, 75-84: 54, 85+: 18

Top Prescribed Drugs (Medicare Part D)

Top drugs by claim count for calendar year 2023. Based on Medicare Part D data only.

What HEATHER GILBERT, M.D. prescribes most

Top Medicare Part D drugs by claim count, 2023

claims
Source CMS Medicare Part D Prescriber Public Use File As of 2023
Drug Claims
Estradiol
150
Yuvafem
Estradiol
79
Estring
Estradiol
43
Nystatin-Triamcinolone
Nystatin/Triamcinolone Acet
34
Acyclovir
23
Fluconazole
20
Betamethasone Valerate
16
Lidocaine
16
Betamethasone Diprop Augmented
Betamethasone/Propylene Glyc
14
Gabapentin
12

* Counts below 11 are suppressed by CMS for patient privacy. Generic names shown where available from CMS Part D data.

Obstetrics & Gynecology Physician Overview

How HEATHER GILBERT, M.D. fits within the Obstetrics & Gynecology Physician landscape nationally.

44,313
Obstetrics & Gynecology Physician Providers in US
56
States with Obstetrics & Gynecology Physician
179
Avg Claims per Provider

HEATHER GILBERT, M.D.'s 525 claims are above the specialty average of 179.

Nearby Obstetrics & Gynecology Physician Providers in Arizona

Other clinicians with the same primary specialty enrolled in Arizona, drawn from the same CMS NPPES roster as GILBERT.

Compare Obstetrics & Gynecology Physician nationally: see state-by-state distribution →

Frequently Asked Questions

What is HEATHER GILBERT, M.D.'s specialty?
HEATHER GILBERT, M.D. specializes in Obstetrics & Gynecology Physician and practices in TUCSON, Arizona. Credentials: M.D..
How much does HEATHER GILBERT, M.D. prescribe under Medicare Part D?
In 2023, HEATHER GILBERT, M.D. wrote 525 Medicare Part D claims totaling $53K in drug costs for 202 beneficiaries.
Where is HEATHER GILBERT, M.D. located?
HEATHER GILBERT, M.D. is located at 1501 N CAMPBELL AVE, TUCSON, AZ, 85724. Phone: (520) 694-6010.
What is HEATHER GILBERT, M.D.'s NPI number?
HEATHER GILBERT, M.D.'s National Provider Identifier (NPI) is 1164606885, issued on 12/18/2007.
Does HEATHER GILBERT, M.D. prescribe more brand-name or generic drugs?
HEATHER GILBERT, M.D.'s prescribing is 15% brand-name and 85% generic drugs by claim count, with $30K in brand drug costs.
How many Obstetrics & Gynecology Physician providers are there in the US?
There are 44,313 Obstetrics & Gynecology Physician providers across 56 states in the US. The average Obstetrics & Gynecology Physician provider writes 179 Medicare Part D claims per year.
What drugs does HEATHER GILBERT, M.D. prescribe most often?
Based on 2023 Medicare Part D data, HEATHER GILBERT, M.D.'s most frequently prescribed drugs include Estradiol, Yuvafem, Estring. This reflects Medicare Part D prescriptions only and does not include commercial insurance or other payer types.
Does HEATHER GILBERT, M.D. accept Medicare?
HEATHER GILBERT, M.D. appears in CMS Medicare data with 525 Part D claims and 202 Medicare beneficiaries in 2023. Contact the provider's office directly to confirm current Medicare enrollment and accepted plans.
How can I verify HEATHER GILBERT, M.D.'s credentials?
HEATHER GILBERT, M.D.'s NPI is 1164606885 with credentials M.D.. You can verify this through the NPPES NPI Registry, check state medical board records, and confirm board certification through the ABMS or AOA.

Data Sources

Provider Directory
CMS National Plan and Provider Enumeration System (NPPES), download.cms.gov/nppes, updated monthly. Contains NPI, specialty, credentials, and practice location.
Specialty Classification
NUCC Health Care Provider Taxonomy (nucc.org), the industry standard for classifying provider specialties in Medicare and Medicaid billing.
Prescribing Data
CMS Medicare Part D Prescriber Public Use File (2023). Includes claims, drug costs, beneficiaries, and opioid prescribing rates.
Limitations
Provider data is self-reported to CMS. Prescribing data reflects Medicare Part D only and does not include commercial insurance, Medicaid, or cash prescriptions. Claims below 11 beneficiaries are suppressed by CMS for privacy.

See our complete data methodology for details on how we collect and process government data.

Data as of April 2026 (NPPES) / 2023 (Medicare Part D). Source: Centers for Medicare & Medicaid Services (CMS).

Disclaimer: Data from CMS NPPES and Medicare Part D. PlainDoctor does not rate or rank providers. Provider information is self-reported and may not be current. Always verify information directly with the provider. About · Methodology